diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Drawing.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Drawing.java
new file mode 100644
index 0000000..764c4ee
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Drawing.java
@@ -0,0 +1,22 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.dashboard.canvas.Canvas;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.Vector2d;
+
+public final class Drawing {
+    private Drawing() {}
+
+
+    public static void drawRobot(Canvas c, Pose2d t) {
+        final double ROBOT_RADIUS = 9;
+
+        c.setStrokeWidth(1);
+        c.strokeCircle(t.position.x, t.position.y, ROBOT_RADIUS);
+
+        Vector2d halfv = t.heading.vec().times(0.5 * ROBOT_RADIUS);
+        Vector2d p1 = t.position.plus(halfv);
+        Vector2d p2 = p1.plus(halfv);
+        c.strokeLine(p1.x, p1.y, p2.x, p2.y);
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Localizer.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Localizer.java
new file mode 100644
index 0000000..970c400
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/Localizer.java
@@ -0,0 +1,25 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+
+/**
+ * Interface for localization methods.
+ */
+public interface Localizer {
+    void setPose(Pose2d pose);
+
+    /**
+     * Returns the current pose estimate.
+     * NOTE: Does not update the pose estimate;
+     * you must call update() to update the pose estimate.
+     * @return the Localizer's current pose
+     */
+    Pose2d getPose();
+
+    /**
+     * Updates the Localizer's pose estimate.
+     * @return the Localizer's current velocity estimate
+     */
+    PoseVelocity2d update();
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/MecanumDrive.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/MecanumDrive.java
new file mode 100644
index 0000000..6cc00c9
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/MecanumDrive.java
@@ -0,0 +1,496 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import androidx.annotation.NonNull;
+
+import com.acmerobotics.dashboard.canvas.Canvas;
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.dashboard.telemetry.TelemetryPacket;
+import com.acmerobotics.roadrunner.*;
+import com.acmerobotics.roadrunner.AngularVelConstraint;
+import com.acmerobotics.roadrunner.DualNum;
+import com.acmerobotics.roadrunner.HolonomicController;
+import com.acmerobotics.roadrunner.MecanumKinematics;
+import com.acmerobotics.roadrunner.MinVelConstraint;
+import com.acmerobotics.roadrunner.MotorFeedforward;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.Pose2dDual;
+import com.acmerobotics.roadrunner.ProfileAccelConstraint;
+import com.acmerobotics.roadrunner.Time;
+import com.acmerobotics.roadrunner.TimeTrajectory;
+import com.acmerobotics.roadrunner.TimeTurn;
+import com.acmerobotics.roadrunner.TrajectoryActionBuilder;
+import com.acmerobotics.roadrunner.TurnConstraints;
+import com.acmerobotics.roadrunner.VelConstraint;
+import com.acmerobotics.roadrunner.ftc.DownsampledWriter;
+import com.acmerobotics.roadrunner.ftc.Encoder;
+import com.acmerobotics.roadrunner.ftc.FlightRecorder;
+import com.acmerobotics.roadrunner.ftc.LazyHardwareMapImu;
+import com.acmerobotics.roadrunner.ftc.LazyImu;
+import com.acmerobotics.roadrunner.ftc.LynxFirmware;
+import com.acmerobotics.roadrunner.ftc.OverflowEncoder;
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+import com.acmerobotics.roadrunner.ftc.RawEncoder;
+import com.qualcomm.hardware.lynx.LynxModule;
+import com.qualcomm.hardware.rev.RevHubOrientationOnRobot;
+import com.qualcomm.robotcore.hardware.DcMotor;
+import com.qualcomm.robotcore.hardware.DcMotorEx;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+import com.qualcomm.robotcore.hardware.IMU;
+import com.qualcomm.robotcore.hardware.VoltageSensor;
+
+import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.YawPitchRollAngles;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.DriveCommandMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.MecanumCommandMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.MecanumLocalizerInputsMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.PoseMessage;
+
+import java.lang.Math;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+
+@Config
+public final class MecanumDrive {
+    public static class Params {
+        // IMU orientation
+        // TODO: fill in these values based on
+        //   see https://ftc-docs.firstinspires.org/en/latest/programming_resources/imu/imu.html?highlight=imu#physical-hub-mounting
+        public RevHubOrientationOnRobot.LogoFacingDirection logoFacingDirection =
+                RevHubOrientationOnRobot.LogoFacingDirection.UP;
+        public RevHubOrientationOnRobot.UsbFacingDirection usbFacingDirection =
+                RevHubOrientationOnRobot.UsbFacingDirection.FORWARD;
+
+        // drive model parameters
+        public double inPerTick = 1;
+        public double lateralInPerTick = inPerTick;
+        public double trackWidthTicks = 0;
+
+        // feedforward parameters (in tick units)
+        public double kS = 0;
+        public double kV = 0;
+        public double kA = 0;
+
+        // path profile parameters (in inches)
+        public double maxWheelVel = 50;
+        public double minProfileAccel = -30;
+        public double maxProfileAccel = 50;
+
+        // turn profile parameters (in radians)
+        public double maxAngVel = Math.PI; // shared with path
+        public double maxAngAccel = Math.PI;
+
+        // path controller gains
+        public double axialGain = 0.0;
+        public double lateralGain = 0.0;
+        public double headingGain = 0.0; // shared with turn
+
+        public double axialVelGain = 0.0;
+        public double lateralVelGain = 0.0;
+        public double headingVelGain = 0.0; // shared with turn
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final MecanumKinematics kinematics = new MecanumKinematics(
+            PARAMS.inPerTick * PARAMS.trackWidthTicks, PARAMS.inPerTick / PARAMS.lateralInPerTick);
+
+    public final TurnConstraints defaultTurnConstraints = new TurnConstraints(
+            PARAMS.maxAngVel, -PARAMS.maxAngAccel, PARAMS.maxAngAccel);
+    public final VelConstraint defaultVelConstraint =
+            new MinVelConstraint(Arrays.asList(
+                    kinematics.new WheelVelConstraint(PARAMS.maxWheelVel),
+                    new AngularVelConstraint(PARAMS.maxAngVel)
+            ));
+    public final AccelConstraint defaultAccelConstraint =
+            new ProfileAccelConstraint(PARAMS.minProfileAccel, PARAMS.maxProfileAccel);
+
+    public final DcMotorEx leftFront, leftBack, rightBack, rightFront;
+
+    public final VoltageSensor voltageSensor;
+
+    public final LazyImu lazyImu;
+
+    public final Localizer localizer;
+    private final LinkedList<Pose2d> poseHistory = new LinkedList<>();
+
+    private final DownsampledWriter estimatedPoseWriter = new DownsampledWriter("ESTIMATED_POSE", 50_000_000);
+    private final DownsampledWriter targetPoseWriter = new DownsampledWriter("TARGET_POSE", 50_000_000);
+    private final DownsampledWriter driveCommandWriter = new DownsampledWriter("DRIVE_COMMAND", 50_000_000);
+    private final DownsampledWriter mecanumCommandWriter = new DownsampledWriter("MECANUM_COMMAND", 50_000_000);
+
+    public class DriveLocalizer implements Localizer {
+        public final Encoder leftFront, leftBack, rightBack, rightFront;
+        public final IMU imu;
+
+        private int lastLeftFrontPos, lastLeftBackPos, lastRightBackPos, lastRightFrontPos;
+        private Rotation2d lastHeading;
+        private boolean initialized;
+        private Pose2d pose;
+
+        public DriveLocalizer(Pose2d pose) {
+            leftFront = new OverflowEncoder(new RawEncoder(MecanumDrive.this.leftFront));
+            leftBack = new OverflowEncoder(new RawEncoder(MecanumDrive.this.leftBack));
+            rightBack = new OverflowEncoder(new RawEncoder(MecanumDrive.this.rightBack));
+            rightFront = new OverflowEncoder(new RawEncoder(MecanumDrive.this.rightFront));
+
+            imu = lazyImu.get();
+
+            // TODO: reverse encoders if needed
+            //   leftFront.setDirection(DcMotorSimple.Direction.REVERSE);
+
+            this.pose = pose;
+        }
+
+        @Override
+        public void setPose(Pose2d pose) {
+            this.pose = pose;
+        }
+
+        @Override
+        public Pose2d getPose() {
+            return pose;
+        }
+
+        @Override
+        public PoseVelocity2d update() {
+            PositionVelocityPair leftFrontPosVel = leftFront.getPositionAndVelocity();
+            PositionVelocityPair leftBackPosVel = leftBack.getPositionAndVelocity();
+            PositionVelocityPair rightBackPosVel = rightBack.getPositionAndVelocity();
+            PositionVelocityPair rightFrontPosVel = rightFront.getPositionAndVelocity();
+
+            YawPitchRollAngles angles = imu.getRobotYawPitchRollAngles();
+
+            FlightRecorder.write("MECANUM_LOCALIZER_INPUTS", new MecanumLocalizerInputsMessage(
+                    leftFrontPosVel, leftBackPosVel, rightBackPosVel, rightFrontPosVel, angles));
+
+            Rotation2d heading = Rotation2d.exp(angles.getYaw(AngleUnit.RADIANS));
+
+            if (!initialized) {
+                initialized = true;
+
+                lastLeftFrontPos = leftFrontPosVel.position;
+                lastLeftBackPos = leftBackPosVel.position;
+                lastRightBackPos = rightBackPosVel.position;
+                lastRightFrontPos = rightFrontPosVel.position;
+
+                lastHeading = heading;
+
+                return new PoseVelocity2d(new Vector2d(0.0, 0.0), 0.0);
+            }
+
+            double headingDelta = heading.minus(lastHeading);
+            Twist2dDual<Time> twist = kinematics.forward(new MecanumKinematics.WheelIncrements<>(
+                    new DualNum<Time>(new double[]{
+                            (leftFrontPosVel.position - lastLeftFrontPos),
+                            leftFrontPosVel.velocity,
+                    }).times(PARAMS.inPerTick),
+                    new DualNum<Time>(new double[]{
+                            (leftBackPosVel.position - lastLeftBackPos),
+                            leftBackPosVel.velocity,
+                    }).times(PARAMS.inPerTick),
+                    new DualNum<Time>(new double[]{
+                            (rightBackPosVel.position - lastRightBackPos),
+                            rightBackPosVel.velocity,
+                    }).times(PARAMS.inPerTick),
+                    new DualNum<Time>(new double[]{
+                            (rightFrontPosVel.position - lastRightFrontPos),
+                            rightFrontPosVel.velocity,
+                    }).times(PARAMS.inPerTick)
+            ));
+
+            lastLeftFrontPos = leftFrontPosVel.position;
+            lastLeftBackPos = leftBackPosVel.position;
+            lastRightBackPos = rightBackPosVel.position;
+            lastRightFrontPos = rightFrontPosVel.position;
+
+            lastHeading = heading;
+
+            pose = pose.plus(new Twist2d(
+                    twist.line.value(),
+                    headingDelta
+            ));
+
+            return twist.velocity().value();
+        }
+    }
+
+    public MecanumDrive(HardwareMap hardwareMap, Pose2d pose) {
+        LynxFirmware.throwIfModulesAreOutdated(hardwareMap);
+
+        for (LynxModule module : hardwareMap.getAll(LynxModule.class)) {
+            module.setBulkCachingMode(LynxModule.BulkCachingMode.AUTO);
+        }
+
+        // TODO: make sure your config has motors with these names (or change them)
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        leftFront = hardwareMap.get(DcMotorEx.class, "leftFront");
+        leftBack = hardwareMap.get(DcMotorEx.class, "leftBack");
+        rightBack = hardwareMap.get(DcMotorEx.class, "rightBack");
+        rightFront = hardwareMap.get(DcMotorEx.class, "rightFront");
+
+        leftFront.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+        leftBack.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+        rightBack.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+        rightFront.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+
+        // TODO: reverse motor directions if needed
+        //   leftFront.setDirection(DcMotorSimple.Direction.REVERSE);
+
+        // TODO: make sure your config has an IMU with this name (can be BNO or BHI)
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        lazyImu = new LazyHardwareMapImu(hardwareMap, "imu", new RevHubOrientationOnRobot(
+                PARAMS.logoFacingDirection, PARAMS.usbFacingDirection));
+
+        voltageSensor = hardwareMap.voltageSensor.iterator().next();
+
+        localizer = new DriveLocalizer(pose);
+
+        FlightRecorder.write("MECANUM_PARAMS", PARAMS);
+    }
+
+    public void setDrivePowers(PoseVelocity2d powers) {
+        MecanumKinematics.WheelVelocities<Time> wheelVels = new MecanumKinematics(1).inverse(
+                PoseVelocity2dDual.constant(powers, 1));
+
+        double maxPowerMag = 1;
+        for (DualNum<Time> power : wheelVels.all()) {
+            maxPowerMag = Math.max(maxPowerMag, power.value());
+        }
+
+        leftFront.setPower(wheelVels.leftFront.get(0) / maxPowerMag);
+        leftBack.setPower(wheelVels.leftBack.get(0) / maxPowerMag);
+        rightBack.setPower(wheelVels.rightBack.get(0) / maxPowerMag);
+        rightFront.setPower(wheelVels.rightFront.get(0) / maxPowerMag);
+    }
+
+    public final class FollowTrajectoryAction implements Action {
+        public final TimeTrajectory timeTrajectory;
+        private double beginTs = -1;
+
+        private final double[] xPoints, yPoints;
+
+        public FollowTrajectoryAction(TimeTrajectory t) {
+            timeTrajectory = t;
+
+            List<Double> disps = com.acmerobotics.roadrunner.Math.range(
+                    0, t.path.length(),
+                    Math.max(2, (int) Math.ceil(t.path.length() / 2)));
+            xPoints = new double[disps.size()];
+            yPoints = new double[disps.size()];
+            for (int i = 0; i < disps.size(); i++) {
+                Pose2d p = t.path.get(disps.get(i), 1).value();
+                xPoints[i] = p.position.x;
+                yPoints[i] = p.position.y;
+            }
+        }
+
+        @Override
+        public boolean run(@NonNull TelemetryPacket p) {
+            double t;
+            if (beginTs < 0) {
+                beginTs = Actions.now();
+                t = 0;
+            } else {
+                t = Actions.now() - beginTs;
+            }
+
+            if (t >= timeTrajectory.duration) {
+                leftFront.setPower(0);
+                leftBack.setPower(0);
+                rightBack.setPower(0);
+                rightFront.setPower(0);
+
+                return false;
+            }
+
+            Pose2dDual<Time> txWorldTarget = timeTrajectory.get(t);
+            targetPoseWriter.write(new PoseMessage(txWorldTarget.value()));
+
+            PoseVelocity2d robotVelRobot = updatePoseEstimate();
+
+            PoseVelocity2dDual<Time> command = new HolonomicController(
+                    PARAMS.axialGain, PARAMS.lateralGain, PARAMS.headingGain,
+                    PARAMS.axialVelGain, PARAMS.lateralVelGain, PARAMS.headingVelGain
+            )
+                    .compute(txWorldTarget, localizer.getPose(), robotVelRobot);
+            driveCommandWriter.write(new DriveCommandMessage(command));
+
+            MecanumKinematics.WheelVelocities<Time> wheelVels = kinematics.inverse(command);
+            double voltage = voltageSensor.getVoltage();
+
+            final MotorFeedforward feedforward = new MotorFeedforward(PARAMS.kS,
+                    PARAMS.kV / PARAMS.inPerTick, PARAMS.kA / PARAMS.inPerTick);
+            double leftFrontPower = feedforward.compute(wheelVels.leftFront) / voltage;
+            double leftBackPower = feedforward.compute(wheelVels.leftBack) / voltage;
+            double rightBackPower = feedforward.compute(wheelVels.rightBack) / voltage;
+            double rightFrontPower = feedforward.compute(wheelVels.rightFront) / voltage;
+            mecanumCommandWriter.write(new MecanumCommandMessage(
+                    voltage, leftFrontPower, leftBackPower, rightBackPower, rightFrontPower
+            ));
+
+            leftFront.setPower(leftFrontPower);
+            leftBack.setPower(leftBackPower);
+            rightBack.setPower(rightBackPower);
+            rightFront.setPower(rightFrontPower);
+
+            p.put("x", localizer.getPose().position.x);
+            p.put("y", localizer.getPose().position.y);
+            p.put("heading (deg)", Math.toDegrees(localizer.getPose().heading.toDouble()));
+
+            Pose2d error = txWorldTarget.value().minusExp(localizer.getPose());
+            p.put("xError", error.position.x);
+            p.put("yError", error.position.y);
+            p.put("headingError (deg)", Math.toDegrees(error.heading.toDouble()));
+
+            // only draw when active; only one drive action should be active at a time
+            Canvas c = p.fieldOverlay();
+            drawPoseHistory(c);
+
+            c.setStroke("#4CAF50");
+            Drawing.drawRobot(c, txWorldTarget.value());
+
+            c.setStroke("#3F51B5");
+            Drawing.drawRobot(c, localizer.getPose());
+
+            c.setStroke("#4CAF50FF");
+            c.setStrokeWidth(1);
+            c.strokePolyline(xPoints, yPoints);
+
+            return true;
+        }
+
+        @Override
+        public void preview(Canvas c) {
+            c.setStroke("#4CAF507A");
+            c.setStrokeWidth(1);
+            c.strokePolyline(xPoints, yPoints);
+        }
+    }
+
+    public final class TurnAction implements Action {
+        private final TimeTurn turn;
+
+        private double beginTs = -1;
+
+        public TurnAction(TimeTurn turn) {
+            this.turn = turn;
+        }
+
+        @Override
+        public boolean run(@NonNull TelemetryPacket p) {
+            double t;
+            if (beginTs < 0) {
+                beginTs = Actions.now();
+                t = 0;
+            } else {
+                t = Actions.now() - beginTs;
+            }
+
+            if (t >= turn.duration) {
+                leftFront.setPower(0);
+                leftBack.setPower(0);
+                rightBack.setPower(0);
+                rightFront.setPower(0);
+
+                return false;
+            }
+
+            Pose2dDual<Time> txWorldTarget = turn.get(t);
+            targetPoseWriter.write(new PoseMessage(txWorldTarget.value()));
+
+            PoseVelocity2d robotVelRobot = updatePoseEstimate();
+
+            PoseVelocity2dDual<Time> command = new HolonomicController(
+                    PARAMS.axialGain, PARAMS.lateralGain, PARAMS.headingGain,
+                    PARAMS.axialVelGain, PARAMS.lateralVelGain, PARAMS.headingVelGain
+            )
+                    .compute(txWorldTarget, localizer.getPose(), robotVelRobot);
+            driveCommandWriter.write(new DriveCommandMessage(command));
+
+            MecanumKinematics.WheelVelocities<Time> wheelVels = kinematics.inverse(command);
+            double voltage = voltageSensor.getVoltage();
+            final MotorFeedforward feedforward = new MotorFeedforward(PARAMS.kS,
+                    PARAMS.kV / PARAMS.inPerTick, PARAMS.kA / PARAMS.inPerTick);
+            double leftFrontPower = feedforward.compute(wheelVels.leftFront) / voltage;
+            double leftBackPower = feedforward.compute(wheelVels.leftBack) / voltage;
+            double rightBackPower = feedforward.compute(wheelVels.rightBack) / voltage;
+            double rightFrontPower = feedforward.compute(wheelVels.rightFront) / voltage;
+            mecanumCommandWriter.write(new MecanumCommandMessage(
+                    voltage, leftFrontPower, leftBackPower, rightBackPower, rightFrontPower
+            ));
+
+            leftFront.setPower(feedforward.compute(wheelVels.leftFront) / voltage);
+            leftBack.setPower(feedforward.compute(wheelVels.leftBack) / voltage);
+            rightBack.setPower(feedforward.compute(wheelVels.rightBack) / voltage);
+            rightFront.setPower(feedforward.compute(wheelVels.rightFront) / voltage);
+
+            Canvas c = p.fieldOverlay();
+            drawPoseHistory(c);
+
+            c.setStroke("#4CAF50");
+            Drawing.drawRobot(c, txWorldTarget.value());
+
+            c.setStroke("#3F51B5");
+            Drawing.drawRobot(c, localizer.getPose());
+
+            c.setStroke("#7C4DFFFF");
+            c.fillCircle(turn.beginPose.position.x, turn.beginPose.position.y, 2);
+
+            return true;
+        }
+
+        @Override
+        public void preview(Canvas c) {
+            c.setStroke("#7C4DFF7A");
+            c.fillCircle(turn.beginPose.position.x, turn.beginPose.position.y, 2);
+        }
+    }
+
+    public PoseVelocity2d updatePoseEstimate() {
+        PoseVelocity2d vel = localizer.update();
+        poseHistory.add(localizer.getPose());
+        
+        while (poseHistory.size() > 100) {
+            poseHistory.removeFirst();
+        }
+
+        estimatedPoseWriter.write(new PoseMessage(localizer.getPose()));
+        
+        
+        return vel;
+    }
+
+    private void drawPoseHistory(Canvas c) {
+        double[] xPoints = new double[poseHistory.size()];
+        double[] yPoints = new double[poseHistory.size()];
+
+        int i = 0;
+        for (Pose2d t : poseHistory) {
+            xPoints[i] = t.position.x;
+            yPoints[i] = t.position.y;
+
+            i++;
+        }
+
+        c.setStrokeWidth(1);
+        c.setStroke("#3F51B5");
+        c.strokePolyline(xPoints, yPoints);
+    }
+
+    public TrajectoryActionBuilder actionBuilder(Pose2d beginPose) {
+        return new TrajectoryActionBuilder(
+                TurnAction::new,
+                FollowTrajectoryAction::new,
+                new TrajectoryBuilderParams(
+                        1e-6,
+                        new ProfileParams(
+                                0.25, 0.1, 1e-2
+                        )
+                ),
+                beginPose, 0.0,
+                defaultTurnConstraints,
+                defaultVelConstraint, defaultAccelConstraint
+        );
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/OTOSLocalizer.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/OTOSLocalizer.java
new file mode 100644
index 0000000..3345787
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/OTOSLocalizer.java
@@ -0,0 +1,68 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.Rotation2d;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.acmerobotics.roadrunner.ftc.OTOSKt;
+import com.qualcomm.hardware.sparkfun.SparkFunOTOS;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+
+import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.DistanceUnit;
+
+@Config
+public class OTOSLocalizer implements Localizer {
+    public static class Params {
+        public double angularScalar = 1.0;
+        public double linearScalar = 1.0;
+
+        // Note: units are in inches and radians
+        public SparkFunOTOS.Pose2D offset = new SparkFunOTOS.Pose2D(0, 0, 0);
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final SparkFunOTOS otos;
+    private Pose2d currentPose;
+
+    public OTOSLocalizer(HardwareMap hardwareMap, Pose2d initialPose) {
+        // TODO: make sure your config has an OTOS device with this name
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        otos = hardwareMap.get(SparkFunOTOS.class, "sensor_otos");
+        currentPose = initialPose;
+        otos.setPosition(OTOSKt.toOTOSPose(currentPose));
+        otos.setLinearUnit(DistanceUnit.INCH);
+        otos.setAngularUnit(AngleUnit.RADIANS);
+
+        otos.calibrateImu();
+        otos.setLinearScalar(PARAMS.linearScalar);
+        otos.setAngularScalar(PARAMS.angularScalar);
+        otos.setOffset(PARAMS.offset);
+    }
+
+    @Override
+    public Pose2d getPose() {
+        return currentPose;
+    }
+
+    @Override
+    public void setPose(Pose2d pose) {
+        currentPose = pose;
+        otos.setPosition(OTOSKt.toOTOSPose(currentPose));
+    }
+
+    @Override
+    public PoseVelocity2d update() {
+        SparkFunOTOS.Pose2D otosPose = new SparkFunOTOS.Pose2D();
+        SparkFunOTOS.Pose2D otosVel = new SparkFunOTOS.Pose2D();
+        SparkFunOTOS.Pose2D otosAcc = new SparkFunOTOS.Pose2D();
+        otos.getPosVelAcc(otosPose, otosVel, otosAcc);
+
+        currentPose = OTOSKt.toRRPose(otosPose);
+        Vector2d fieldVel = new Vector2d(otosVel.x, otosVel.y);
+        Vector2d robotVel = Rotation2d.exp(otosPose.h).inverse().times(fieldVel);
+        return new PoseVelocity2d(robotVel, otosVel.h);
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/PinpointLocalizer.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/PinpointLocalizer.java
new file mode 100644
index 0000000..5d16196
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/PinpointLocalizer.java
@@ -0,0 +1,73 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.Rotation2d;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.qualcomm.hardware.gobilda.GoBildaPinpointDriver;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+
+import org.firstinspires.ftc.robotcore.external.navigation.DistanceUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.UnnormalizedAngleUnit;
+
+import java.util.Objects;
+
+@Config
+public final class PinpointLocalizer implements Localizer {
+    public static class Params {
+        public double parYTicks = 0.0; // y position of the parallel encoder (in tick units)
+        public double perpXTicks = 0.0; // x position of the perpendicular encoder (in tick units)
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final GoBildaPinpointDriver driver;
+    public final GoBildaPinpointDriver.EncoderDirection initialParDirection, initialPerpDirection;
+
+    private Pose2d txWorldPinpoint;
+    private Pose2d txPinpointRobot = new Pose2d(0, 0, 0);
+
+    public PinpointLocalizer(HardwareMap hardwareMap, double inPerTick, Pose2d initialPose) {
+        // TODO: make sure your config has a Pinpoint device with this name
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        driver = hardwareMap.get(GoBildaPinpointDriver.class, "pinpoint");
+
+        double mmPerTick = inPerTick * 25.4;
+        driver.setEncoderResolution(1 / mmPerTick, DistanceUnit.MM);
+        driver.setOffsets(mmPerTick * PARAMS.parYTicks, mmPerTick * PARAMS.perpXTicks, DistanceUnit.MM);
+
+        // TODO: reverse encoder directions if needed
+        initialParDirection = GoBildaPinpointDriver.EncoderDirection.FORWARD;
+        initialPerpDirection = GoBildaPinpointDriver.EncoderDirection.FORWARD;
+
+        driver.setEncoderDirections(initialParDirection, initialPerpDirection);
+
+        driver.resetPosAndIMU();
+
+        txWorldPinpoint = initialPose;
+    }
+
+    @Override
+    public void setPose(Pose2d pose) {
+        txWorldPinpoint = pose.times(txPinpointRobot.inverse());
+    }
+
+    @Override
+    public Pose2d getPose() {
+        return txWorldPinpoint.times(txPinpointRobot);
+    }
+
+    @Override
+    public PoseVelocity2d update() {
+        driver.update();
+        if (Objects.requireNonNull(driver.getDeviceStatus()) == GoBildaPinpointDriver.DeviceStatus.READY) {
+            txPinpointRobot = new Pose2d(driver.getPosX(DistanceUnit.INCH), driver.getPosY(DistanceUnit.INCH), driver.getHeading(UnnormalizedAngleUnit.RADIANS));
+            Vector2d worldVelocity = new Vector2d(driver.getVelX(DistanceUnit.INCH), driver.getVelY(DistanceUnit.INCH));
+            Vector2d robotVelocity = Rotation2d.fromDouble(-txPinpointRobot.heading.log()).times(worldVelocity);
+
+            return new PoseVelocity2d(robotVelocity, driver.getHeadingVelocity(UnnormalizedAngleUnit.RADIANS));
+        }
+        return new PoseVelocity2d(new Vector2d(0, 0), 0);
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TankDrive.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TankDrive.java
new file mode 100644
index 0000000..c94dea2
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TankDrive.java
@@ -0,0 +1,509 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import androidx.annotation.NonNull;
+
+import com.acmerobotics.dashboard.canvas.Canvas;
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.dashboard.telemetry.TelemetryPacket;
+import com.acmerobotics.roadrunner.AccelConstraint;
+import com.acmerobotics.roadrunner.Action;
+import com.acmerobotics.roadrunner.Actions;
+import com.acmerobotics.roadrunner.AngularVelConstraint;
+import com.acmerobotics.roadrunner.Arclength;
+import com.acmerobotics.roadrunner.DualNum;
+import com.acmerobotics.roadrunner.MinVelConstraint;
+import com.acmerobotics.roadrunner.MotorFeedforward;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.Pose2dDual;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.PoseVelocity2dDual;
+import com.acmerobotics.roadrunner.ProfileAccelConstraint;
+import com.acmerobotics.roadrunner.ProfileParams;
+import com.acmerobotics.roadrunner.RamseteController;
+import com.acmerobotics.roadrunner.TankKinematics;
+import com.acmerobotics.roadrunner.Time;
+import com.acmerobotics.roadrunner.TimeTrajectory;
+import com.acmerobotics.roadrunner.TimeTurn;
+import com.acmerobotics.roadrunner.TrajectoryActionBuilder;
+import com.acmerobotics.roadrunner.TrajectoryBuilderParams;
+import com.acmerobotics.roadrunner.TurnConstraints;
+import com.acmerobotics.roadrunner.Twist2dDual;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.acmerobotics.roadrunner.Vector2dDual;
+import com.acmerobotics.roadrunner.VelConstraint;
+import com.acmerobotics.roadrunner.ftc.DownsampledWriter;
+import com.acmerobotics.roadrunner.ftc.Encoder;
+import com.acmerobotics.roadrunner.ftc.FlightRecorder;
+import com.acmerobotics.roadrunner.ftc.LazyHardwareMapImu;
+import com.acmerobotics.roadrunner.ftc.LazyImu;
+import com.acmerobotics.roadrunner.ftc.LynxFirmware;
+import com.acmerobotics.roadrunner.ftc.OverflowEncoder;
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+import com.acmerobotics.roadrunner.ftc.RawEncoder;
+import com.qualcomm.hardware.lynx.LynxModule;
+import com.qualcomm.hardware.rev.RevHubOrientationOnRobot;
+import com.qualcomm.robotcore.hardware.DcMotor;
+import com.qualcomm.robotcore.hardware.DcMotorEx;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+import com.qualcomm.robotcore.hardware.VoltageSensor;
+
+import org.firstinspires.ftc.teamcode.libs.RR.messages.DriveCommandMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.PoseMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.TankCommandMessage;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.TankLocalizerInputsMessage;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+@Config
+public final class TankDrive {
+    public static class Params {
+        // IMU orientation
+        // TODO: fill in these values based on
+        //   see https://ftc-docs.firstinspires.org/en/latest/programming_resources/imu/imu.html?highlight=imu#physical-hub-mounting
+        public RevHubOrientationOnRobot.LogoFacingDirection logoFacingDirection =
+                RevHubOrientationOnRobot.LogoFacingDirection.UP;
+        public RevHubOrientationOnRobot.UsbFacingDirection usbFacingDirection =
+                RevHubOrientationOnRobot.UsbFacingDirection.FORWARD;
+
+        // drive model parameters
+        public double inPerTick = 0;
+        public double trackWidthTicks = 0;
+
+        // feedforward parameters (in tick units)
+        public double kS = 0;
+        public double kV = 0;
+        public double kA = 0;
+
+        // path profile parameters (in inches)
+        public double maxWheelVel = 50;
+        public double minProfileAccel = -30;
+        public double maxProfileAccel = 50;
+
+        // turn profile parameters (in radians)
+        public double maxAngVel = Math.PI; // shared with path
+        public double maxAngAccel = Math.PI;
+
+        // path controller gains
+        public double ramseteZeta = 0.7; // in the range (0, 1)
+        public double ramseteBBar = 2.0; // positive
+
+        // turn controller gains
+        public double turnGain = 0.0;
+        public double turnVelGain = 0.0;
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final TankKinematics kinematics = new TankKinematics(PARAMS.inPerTick * PARAMS.trackWidthTicks);
+
+    public final TurnConstraints defaultTurnConstraints = new TurnConstraints(
+            PARAMS.maxAngVel, -PARAMS.maxAngAccel, PARAMS.maxAngAccel);
+    public final VelConstraint defaultVelConstraint =
+            new MinVelConstraint(Arrays.asList(
+                    kinematics.new WheelVelConstraint(PARAMS.maxWheelVel),
+                    new AngularVelConstraint(PARAMS.maxAngVel)
+            ));
+    public final AccelConstraint defaultAccelConstraint =
+            new ProfileAccelConstraint(PARAMS.minProfileAccel, PARAMS.maxProfileAccel);
+
+    public final List<DcMotorEx> leftMotors, rightMotors;
+
+    public final LazyImu lazyImu;
+
+    public final VoltageSensor voltageSensor;
+
+    public final Localizer localizer;
+    private final LinkedList<Pose2d> poseHistory = new LinkedList<>();
+
+    private final DownsampledWriter estimatedPoseWriter = new DownsampledWriter("ESTIMATED_POSE", 50_000_000);
+    private final DownsampledWriter targetPoseWriter = new DownsampledWriter("TARGET_POSE", 50_000_000);
+    private final DownsampledWriter driveCommandWriter = new DownsampledWriter("DRIVE_COMMAND", 50_000_000);
+
+    private final DownsampledWriter tankCommandWriter = new DownsampledWriter("TANK_COMMAND", 50_000_000);
+
+    public class DriveLocalizer implements Localizer {
+        public final List<Encoder> leftEncs, rightEncs;
+        private Pose2d pose;
+
+        private double lastLeftPos, lastRightPos;
+        private boolean initialized;
+
+        public DriveLocalizer(Pose2d pose) {
+            {
+                List<Encoder> leftEncs = new ArrayList<>();
+                for (DcMotorEx m : leftMotors) {
+                    Encoder e = new OverflowEncoder(new RawEncoder(m));
+                    leftEncs.add(e);
+                }
+                this.leftEncs = Collections.unmodifiableList(leftEncs);
+            }
+
+            {
+                List<Encoder> rightEncs = new ArrayList<>();
+                for (DcMotorEx m : rightMotors) {
+                    Encoder e = new OverflowEncoder(new RawEncoder(m));
+                    rightEncs.add(e);
+                }
+                this.rightEncs = Collections.unmodifiableList(rightEncs);
+            }
+
+            // TODO: reverse encoder directions if needed
+            //   leftEncs.get(0).setDirection(DcMotorSimple.Direction.REVERSE);
+
+            this.pose = pose;
+        }
+
+        @Override
+        public void setPose(Pose2d pose) {
+            this.pose = pose;
+        }
+
+        @Override
+        public Pose2d getPose() {
+            return pose;
+        }
+
+        @Override
+        public PoseVelocity2d update() {
+            Twist2dDual<Time> delta;
+
+            List<PositionVelocityPair> leftReadings = new ArrayList<>(), rightReadings = new ArrayList<>();
+            double meanLeftPos = 0.0, meanLeftVel = 0.0;
+            for (Encoder e : leftEncs) {
+                PositionVelocityPair p = e.getPositionAndVelocity();
+                meanLeftPos += p.position;
+                meanLeftVel += p.velocity;
+                leftReadings.add(p);
+            }
+            meanLeftPos /= leftEncs.size();
+            meanLeftVel /= leftEncs.size();
+
+            double meanRightPos = 0.0, meanRightVel = 0.0;
+            for (Encoder e : rightEncs) {
+                PositionVelocityPair p = e.getPositionAndVelocity();
+                meanRightPos += p.position;
+                meanRightVel += p.velocity;
+                rightReadings.add(p);
+            }
+            meanRightPos /= rightEncs.size();
+            meanRightVel /= rightEncs.size();
+
+            FlightRecorder.write("TANK_LOCALIZER_INPUTS",
+                     new TankLocalizerInputsMessage(leftReadings, rightReadings));
+
+            if (!initialized) {
+                initialized = true;
+
+                lastLeftPos = meanLeftPos;
+                lastRightPos = meanRightPos;
+
+                return new PoseVelocity2d(new Vector2d(0.0, 0.0), 0.0);
+
+            }
+
+            Twist2dDual<Time> twist = kinematics.forward(new TankKinematics.WheelIncrements<>(
+                    new DualNum<Time>(new double[]{
+                            meanLeftPos - lastLeftPos,
+                            meanLeftVel
+                    }).times(PARAMS.inPerTick),
+                    new DualNum<Time>(new double[]{
+                            meanRightPos - lastRightPos,
+                            meanRightVel,
+                    }).times(PARAMS.inPerTick)
+            ));
+
+            lastLeftPos = meanLeftPos;
+            lastRightPos = meanRightPos;
+
+            pose = pose.plus(twist.value());
+
+            return twist.velocity().value();
+        }
+    }
+
+    public TankDrive(HardwareMap hardwareMap, Pose2d pose) {
+        LynxFirmware.throwIfModulesAreOutdated(hardwareMap);
+
+        for (LynxModule module : hardwareMap.getAll(LynxModule.class)) {
+            module.setBulkCachingMode(LynxModule.BulkCachingMode.AUTO);
+        }
+
+        // TODO: make sure your config has motors with these names (or change them)
+        //   add additional motors on each side if you have them
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        leftMotors = Arrays.asList(hardwareMap.get(DcMotorEx.class, "left"));
+        rightMotors = Arrays.asList(hardwareMap.get(DcMotorEx.class, "right"));
+
+        for (DcMotorEx m : leftMotors) {
+            m.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+        }
+        for (DcMotorEx m : rightMotors) {
+            m.setZeroPowerBehavior(DcMotor.ZeroPowerBehavior.BRAKE);
+        }
+
+        // TODO: reverse motor directions if needed
+        //   leftMotors.get(0).setDirection(DcMotorSimple.Direction.REVERSE);
+
+        // TODO: make sure your config has an IMU with this name (can be BNO or BHI)
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        lazyImu = new LazyHardwareMapImu(hardwareMap, "imu", new RevHubOrientationOnRobot(
+                PARAMS.logoFacingDirection, PARAMS.usbFacingDirection));
+
+        voltageSensor = hardwareMap.voltageSensor.iterator().next();
+
+        localizer = new DriveLocalizer(pose);
+
+        FlightRecorder.write("TANK_PARAMS", PARAMS);
+    }
+
+    public void setDrivePowers(PoseVelocity2d powers) {
+        TankKinematics.WheelVelocities<Time> wheelVels = new TankKinematics(2).inverse(
+                PoseVelocity2dDual.constant(powers, 1));
+
+        double maxPowerMag = 1;
+        for (DualNum<Time> power : wheelVels.all()) {
+            maxPowerMag = Math.max(maxPowerMag, power.value());
+        }
+
+        for (DcMotorEx m : leftMotors) {
+            m.setPower(wheelVels.left.get(0) / maxPowerMag);
+        }
+        for (DcMotorEx m : rightMotors) {
+            m.setPower(wheelVels.right.get(0) / maxPowerMag);
+        }
+    }
+
+    public final class FollowTrajectoryAction implements Action {
+        public final TimeTrajectory timeTrajectory;
+        private double beginTs = -1;
+
+        private final double[] xPoints, yPoints;
+
+        public FollowTrajectoryAction(TimeTrajectory t) {
+            timeTrajectory = t;
+
+            List<Double> disps = com.acmerobotics.roadrunner.Math.range(
+                    0, t.path.length(),
+                    Math.max(2, (int) Math.ceil(t.path.length() / 2)));
+            xPoints = new double[disps.size()];
+            yPoints = new double[disps.size()];
+            for (int i = 0; i < disps.size(); i++) {
+                Pose2d p = t.path.get(disps.get(i), 1).value();
+                xPoints[i] = p.position.x;
+                yPoints[i] = p.position.y;
+            }
+        }
+
+        @Override
+        public boolean run(@NonNull TelemetryPacket p) {
+            double t;
+            if (beginTs < 0) {
+                beginTs = Actions.now();
+                t = 0;
+            } else {
+                t = Actions.now() - beginTs;
+            }
+
+            if (t >= timeTrajectory.duration) {
+                for (DcMotorEx m : leftMotors) {
+                    m.setPower(0);
+                }
+                for (DcMotorEx m : rightMotors) {
+                    m.setPower(0);
+                }
+
+                return false;
+            }
+
+            DualNum<Time> x = timeTrajectory.profile.get(t);
+
+            Pose2dDual<Arclength> txWorldTarget = timeTrajectory.path.get(x.value(), 3);
+            targetPoseWriter.write(new PoseMessage(txWorldTarget.value()));
+
+            updatePoseEstimate();
+
+            PoseVelocity2dDual<Time> command = new RamseteController(kinematics.trackWidth, PARAMS.ramseteZeta, PARAMS.ramseteBBar)
+                    .compute(x, txWorldTarget, localizer.getPose());
+            driveCommandWriter.write(new DriveCommandMessage(command));
+
+            TankKinematics.WheelVelocities<Time> wheelVels = kinematics.inverse(command);
+            double voltage = voltageSensor.getVoltage();
+            final MotorFeedforward feedforward = new MotorFeedforward(PARAMS.kS,
+                    PARAMS.kV / PARAMS.inPerTick, PARAMS.kA / PARAMS.inPerTick);
+            double leftPower = feedforward.compute(wheelVels.left) / voltage;
+            double rightPower = feedforward.compute(wheelVels.right) / voltage;
+            tankCommandWriter.write(new TankCommandMessage(voltage, leftPower, rightPower));
+
+            for (DcMotorEx m : leftMotors) {
+                m.setPower(leftPower);
+            }
+            for (DcMotorEx m : rightMotors) {
+                m.setPower(rightPower);
+            }
+
+            p.put("x", localizer.getPose().position.x);
+            p.put("y", localizer.getPose().position.y);
+            p.put("heading (deg)", Math.toDegrees(localizer.getPose().heading.toDouble()));
+
+            Pose2d error = txWorldTarget.value().minusExp(localizer.getPose());
+            p.put("xError", error.position.x);
+            p.put("yError", error.position.y);
+            p.put("headingError (deg)", Math.toDegrees(error.heading.toDouble()));
+
+            // only draw when active; only one drive action should be active at a time
+            Canvas c = p.fieldOverlay();
+            drawPoseHistory(c);
+
+            c.setStroke("#4CAF50");
+            Drawing.drawRobot(c, txWorldTarget.value());
+
+            c.setStroke("#3F51B5");
+            Drawing.drawRobot(c, localizer.getPose());
+
+            c.setStroke("#4CAF50FF");
+            c.setStrokeWidth(1);
+            c.strokePolyline(xPoints, yPoints);
+
+            return true;
+        }
+
+        @Override
+        public void preview(Canvas c) {
+            c.setStroke("#4CAF507A");
+            c.setStrokeWidth(1);
+            c.strokePolyline(xPoints, yPoints);
+        }
+    }
+
+    public final class TurnAction implements Action {
+        private final TimeTurn turn;
+
+        private double beginTs = -1;
+
+        public TurnAction(TimeTurn turn) {
+            this.turn = turn;
+        }
+
+        @Override
+        public boolean run(@NonNull TelemetryPacket p) {
+            double t;
+            if (beginTs < 0) {
+                beginTs = Actions.now();
+                t = 0;
+            } else {
+                t = Actions.now() - beginTs;
+            }
+
+            if (t >= turn.duration) {
+                for (DcMotorEx m : leftMotors) {
+                    m.setPower(0);
+                }
+                for (DcMotorEx m : rightMotors) {
+                    m.setPower(0);
+                }
+
+                return false;
+            }
+
+            Pose2dDual<Time> txWorldTarget = turn.get(t);
+            targetPoseWriter.write(new PoseMessage(txWorldTarget.value()));
+
+            PoseVelocity2d robotVelRobot = updatePoseEstimate();
+
+            PoseVelocity2dDual<Time> command = new PoseVelocity2dDual<>(
+                    Vector2dDual.constant(new Vector2d(0, 0), 3),
+                    txWorldTarget.heading.velocity().plus(
+                            PARAMS.turnGain * localizer.getPose().heading.minus(txWorldTarget.heading.value()) +
+                            PARAMS.turnVelGain * (robotVelRobot.angVel - txWorldTarget.heading.velocity().value())
+                    )
+            );
+            driveCommandWriter.write(new DriveCommandMessage(command));
+
+            TankKinematics.WheelVelocities<Time> wheelVels = kinematics.inverse(command);
+            double voltage = voltageSensor.getVoltage();
+            final MotorFeedforward feedforward = new MotorFeedforward(PARAMS.kS,
+                    PARAMS.kV / PARAMS.inPerTick, PARAMS.kA / PARAMS.inPerTick);
+            double leftPower = feedforward.compute(wheelVels.left) / voltage;
+            double rightPower = feedforward.compute(wheelVels.right) / voltage;
+            tankCommandWriter.write(new TankCommandMessage(voltage, leftPower, rightPower));
+
+            for (DcMotorEx m : leftMotors) {
+                m.setPower(leftPower);
+            }
+            for (DcMotorEx m : rightMotors) {
+                m.setPower(rightPower);
+            }
+
+            Canvas c = p.fieldOverlay();
+            drawPoseHistory(c);
+
+            c.setStroke("#4CAF50");
+            Drawing.drawRobot(c, txWorldTarget.value());
+
+            c.setStroke("#3F51B5");
+            Drawing.drawRobot(c, localizer.getPose());
+
+            c.setStroke("#7C4DFFFF");
+            c.fillCircle(turn.beginPose.position.x, turn.beginPose.position.y, 2);
+
+            return true;
+        }
+
+        @Override
+        public void preview(Canvas c) {
+            c.setStroke("#7C4DFF7A");
+            c.fillCircle(turn.beginPose.position.x, turn.beginPose.position.y, 2);
+        }
+    }
+
+    public PoseVelocity2d updatePoseEstimate() {
+        PoseVelocity2d vel = localizer.update();
+        poseHistory.add(localizer.getPose());
+
+        while (poseHistory.size() > 100) {
+            poseHistory.removeFirst();
+        }
+
+        estimatedPoseWriter.write(new PoseMessage(localizer.getPose()));
+
+
+        return vel;
+    }
+
+    private void drawPoseHistory(Canvas c) {
+        double[] xPoints = new double[poseHistory.size()];
+        double[] yPoints = new double[poseHistory.size()];
+
+        int i = 0;
+        for (Pose2d t : poseHistory) {
+            xPoints[i] = t.position.x;
+            yPoints[i] = t.position.y;
+
+            i++;
+        }
+
+        c.setStrokeWidth(1);
+        c.setStroke("#3F51B5");
+        c.strokePolyline(xPoints, yPoints);
+    }
+
+    public TrajectoryActionBuilder actionBuilder(Pose2d beginPose) {
+        return new TrajectoryActionBuilder(
+                TurnAction::new,
+                FollowTrajectoryAction::new,
+                new TrajectoryBuilderParams(
+                        1e-6,
+                        new ProfileParams(
+                                0.25, 0.1, 1e-2
+                        )
+                ),
+                beginPose, 0.0,
+                defaultTurnConstraints,
+                defaultVelConstraint, defaultAccelConstraint
+        );
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/ThreeDeadWheelLocalizer.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/ThreeDeadWheelLocalizer.java
new file mode 100644
index 0000000..b3a8220
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/ThreeDeadWheelLocalizer.java
@@ -0,0 +1,113 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.roadrunner.DualNum;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.Time;
+import com.acmerobotics.roadrunner.Twist2dDual;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.acmerobotics.roadrunner.Vector2dDual;
+import com.acmerobotics.roadrunner.ftc.Encoder;
+import com.acmerobotics.roadrunner.ftc.FlightRecorder;
+import com.acmerobotics.roadrunner.ftc.OverflowEncoder;
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+import com.acmerobotics.roadrunner.ftc.RawEncoder;
+import com.qualcomm.robotcore.hardware.DcMotorEx;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+
+import org.firstinspires.ftc.teamcode.libs.RR.messages.ThreeDeadWheelInputsMessage;
+
+@Config
+public final class ThreeDeadWheelLocalizer implements Localizer {
+    public static class Params {
+        public double par0YTicks = 0.0; // y position of the first parallel encoder (in tick units)
+        public double par1YTicks = 1.0; // y position of the second parallel encoder (in tick units)
+        public double perpXTicks = 0.0; // x position of the perpendicular encoder (in tick units)
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final Encoder par0, par1, perp;
+
+    public final double inPerTick;
+
+    private int lastPar0Pos, lastPar1Pos, lastPerpPos;
+    private boolean initialized;
+    private Pose2d pose;
+
+    public ThreeDeadWheelLocalizer(HardwareMap hardwareMap, double inPerTick, Pose2d initialPose) {
+        // TODO: make sure your config has **motors** with these names (or change them)
+        //   the encoders should be plugged into the slot matching the named motor
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        par0 = new OverflowEncoder(new RawEncoder(hardwareMap.get(DcMotorEx.class, "par0")));
+        par1 = new OverflowEncoder(new RawEncoder(hardwareMap.get(DcMotorEx.class, "par1")));
+        perp = new OverflowEncoder(new RawEncoder(hardwareMap.get(DcMotorEx.class, "perp")));
+
+        // TODO: reverse encoder directions if needed
+        //   par0.setDirection(DcMotorSimple.Direction.REVERSE);
+
+        this.inPerTick = inPerTick;
+
+        FlightRecorder.write("THREE_DEAD_WHEEL_PARAMS", PARAMS);
+
+        pose = initialPose;
+    }
+
+    @Override
+    public void setPose(Pose2d pose) {
+        this.pose = pose;
+    }
+
+    @Override
+    public Pose2d getPose() {
+        return pose;
+    }
+
+    @Override
+    public PoseVelocity2d update() {
+        PositionVelocityPair par0PosVel = par0.getPositionAndVelocity();
+        PositionVelocityPair par1PosVel = par1.getPositionAndVelocity();
+        PositionVelocityPair perpPosVel = perp.getPositionAndVelocity();
+
+        FlightRecorder.write("THREE_DEAD_WHEEL_INPUTS", new ThreeDeadWheelInputsMessage(par0PosVel, par1PosVel, perpPosVel));
+
+        if (!initialized) {
+            initialized = true;
+
+            lastPar0Pos = par0PosVel.position;
+            lastPar1Pos = par1PosVel.position;
+            lastPerpPos = perpPosVel.position;
+
+            return new PoseVelocity2d(new Vector2d(0.0, 0.0), 0.0);
+        }
+
+        int par0PosDelta = par0PosVel.position - lastPar0Pos;
+        int par1PosDelta = par1PosVel.position - lastPar1Pos;
+        int perpPosDelta = perpPosVel.position - lastPerpPos;
+
+        Twist2dDual<Time> twist = new Twist2dDual<>(
+                new Vector2dDual<>(
+                        new DualNum<Time>(new double[] {
+                                (PARAMS.par0YTicks * par1PosDelta - PARAMS.par1YTicks * par0PosDelta) / (PARAMS.par0YTicks - PARAMS.par1YTicks),
+                                (PARAMS.par0YTicks * par1PosVel.velocity - PARAMS.par1YTicks * par0PosVel.velocity) / (PARAMS.par0YTicks - PARAMS.par1YTicks),
+                        }).times(inPerTick),
+                        new DualNum<Time>(new double[] {
+                                (PARAMS.perpXTicks / (PARAMS.par0YTicks - PARAMS.par1YTicks) * (par1PosDelta - par0PosDelta) + perpPosDelta),
+                                (PARAMS.perpXTicks / (PARAMS.par0YTicks - PARAMS.par1YTicks) * (par1PosVel.velocity - par0PosVel.velocity) + perpPosVel.velocity),
+                        }).times(inPerTick)
+                ),
+                new DualNum<>(new double[] {
+                        (par0PosDelta - par1PosDelta) / (PARAMS.par0YTicks - PARAMS.par1YTicks),
+                        (par0PosVel.velocity - par1PosVel.velocity) / (PARAMS.par0YTicks - PARAMS.par1YTicks),
+                })
+        );
+
+        lastPar0Pos = par0PosVel.position;
+        lastPar1Pos = par1PosVel.position;
+        lastPerpPos = perpPosVel.position;
+
+        pose = pose.plus(twist.value());
+        return twist.velocity().value();
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TwoDeadWheelLocalizer.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TwoDeadWheelLocalizer.java
new file mode 100644
index 0000000..d634311
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/TwoDeadWheelLocalizer.java
@@ -0,0 +1,143 @@
+package org.firstinspires.ftc.teamcode.libs.RR;
+
+import com.acmerobotics.dashboard.config.Config;
+import com.acmerobotics.roadrunner.DualNum;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.Rotation2d;
+import com.acmerobotics.roadrunner.Time;
+import com.acmerobotics.roadrunner.Twist2dDual;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.acmerobotics.roadrunner.Vector2dDual;
+import com.acmerobotics.roadrunner.ftc.Encoder;
+import com.acmerobotics.roadrunner.ftc.FlightRecorder;
+import com.acmerobotics.roadrunner.ftc.OverflowEncoder;
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+import com.acmerobotics.roadrunner.ftc.RawEncoder;
+import com.qualcomm.robotcore.hardware.DcMotorEx;
+import com.qualcomm.robotcore.hardware.HardwareMap;
+import com.qualcomm.robotcore.hardware.IMU;
+
+import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.AngularVelocity;
+import org.firstinspires.ftc.robotcore.external.navigation.UnnormalizedAngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.YawPitchRollAngles;
+import org.firstinspires.ftc.teamcode.libs.RR.messages.TwoDeadWheelInputsMessage;
+
+@Config
+public final class TwoDeadWheelLocalizer implements Localizer {
+    public static class Params {
+        public double parYTicks = 0.0; // y position of the parallel encoder (in tick units)
+        public double perpXTicks = 0.0; // x position of the perpendicular encoder (in tick units)
+    }
+
+    public static Params PARAMS = new Params();
+
+    public final Encoder par, perp;
+    public final IMU imu;
+
+    private int lastParPos, lastPerpPos;
+    private Rotation2d lastHeading;
+
+    private final double inPerTick;
+
+    private double lastRawHeadingVel, headingVelOffset;
+    private boolean initialized;
+    private Pose2d pose;
+
+    public TwoDeadWheelLocalizer(HardwareMap hardwareMap, IMU imu, double inPerTick, Pose2d initialPose) {
+        // TODO: make sure your config has **motors** with these names (or change them)
+        //   the encoders should be plugged into the slot matching the named motor
+        //   see https://ftc-docs.firstinspires.org/en/latest/hardware_and_software_configuration/configuring/index.html
+        par = new OverflowEncoder(new RawEncoder(hardwareMap.get(DcMotorEx.class, "par")));
+        perp = new OverflowEncoder(new RawEncoder(hardwareMap.get(DcMotorEx.class, "perp")));
+
+        // TODO: reverse encoder directions if needed
+        //   par.setDirection(DcMotorSimple.Direction.REVERSE);
+
+        this.imu = imu;
+
+        this.inPerTick = inPerTick;
+
+        FlightRecorder.write("TWO_DEAD_WHEEL_PARAMS", PARAMS);
+
+        pose = initialPose;
+    }
+
+    @Override
+    public void setPose(Pose2d pose) {
+        this.pose = pose;
+    }
+
+    @Override
+    public Pose2d getPose() {
+        return pose;
+    }
+
+    @Override
+    public PoseVelocity2d update() {
+        PositionVelocityPair parPosVel = par.getPositionAndVelocity();
+        PositionVelocityPair perpPosVel = perp.getPositionAndVelocity();
+
+        YawPitchRollAngles angles = imu.getRobotYawPitchRollAngles();
+        // Use degrees here to work around https://github.com/FIRST-Tech-Challenge/FtcRobotController/issues/1070
+        AngularVelocity angularVelocityDegrees = imu.getRobotAngularVelocity(AngleUnit.DEGREES);
+        AngularVelocity angularVelocity = new AngularVelocity(
+                UnnormalizedAngleUnit.RADIANS,
+                (float) Math.toRadians(angularVelocityDegrees.xRotationRate),
+                (float) Math.toRadians(angularVelocityDegrees.yRotationRate),
+                (float) Math.toRadians(angularVelocityDegrees.zRotationRate),
+                angularVelocityDegrees.acquisitionTime
+        );
+
+        FlightRecorder.write("TWO_DEAD_WHEEL_INPUTS", new TwoDeadWheelInputsMessage(parPosVel, perpPosVel, angles, angularVelocity));
+
+        Rotation2d heading = Rotation2d.exp(angles.getYaw(AngleUnit.RADIANS));
+
+        // see https://github.com/FIRST-Tech-Challenge/FtcRobotController/issues/617
+        double rawHeadingVel = angularVelocity.zRotationRate;
+        if (Math.abs(rawHeadingVel - lastRawHeadingVel) > Math.PI) {
+            headingVelOffset -= Math.signum(rawHeadingVel) * 2 * Math.PI;
+        }
+        lastRawHeadingVel = rawHeadingVel;
+        double headingVel = headingVelOffset + rawHeadingVel;
+
+        if (!initialized) {
+            initialized = true;
+
+            lastParPos = parPosVel.position;
+            lastPerpPos = perpPosVel.position;
+            lastHeading = heading;
+
+            return new PoseVelocity2d(new Vector2d(0.0, 0.0), 0.0);
+        }
+
+        int parPosDelta = parPosVel.position - lastParPos;
+        int perpPosDelta = perpPosVel.position - lastPerpPos;
+        double headingDelta = heading.minus(lastHeading);
+
+        Twist2dDual<Time> twist = new Twist2dDual<>(
+                new Vector2dDual<>(
+                        new DualNum<Time>(new double[] {
+                                parPosDelta - PARAMS.parYTicks * headingDelta,
+                                parPosVel.velocity - PARAMS.parYTicks * headingVel,
+                        }).times(inPerTick),
+                        new DualNum<Time>(new double[] {
+                                perpPosDelta - PARAMS.perpXTicks * headingDelta,
+                                perpPosVel.velocity - PARAMS.perpXTicks * headingVel,
+                        }).times(inPerTick)
+                ),
+                new DualNum<>(new double[] {
+                        headingDelta,
+                        headingVel,
+                })
+        );
+
+        lastParPos = parPosVel.position;
+        lastPerpPos = perpPosVel.position;
+        lastHeading = heading;
+
+        pose = pose.plus(twist.value());
+        return twist.velocity().value();
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/DriveCommandMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/DriveCommandMessage.java
new file mode 100644
index 0000000..c22cb3d
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/DriveCommandMessage.java
@@ -0,0 +1,24 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.PoseVelocity2dDual;
+import com.acmerobotics.roadrunner.Time;
+
+public final class DriveCommandMessage {
+    public long timestamp;
+    public double forwardVelocity;
+    public double forwardAcceleration;
+    public double lateralVelocity;
+    public double lateralAcceleration;
+    public double angularVelocity;
+    public double angularAcceleration;
+
+    public DriveCommandMessage(PoseVelocity2dDual<Time> poseVelocity) {
+        this.timestamp = System.nanoTime();
+        this.forwardVelocity = poseVelocity.linearVel.x.get(0);
+        this.forwardAcceleration = poseVelocity.linearVel.x.get(1);
+        this.lateralVelocity = poseVelocity.linearVel.y.get(0);
+        this.lateralAcceleration = poseVelocity.linearVel.y.get(1);
+        this.angularVelocity = poseVelocity.angVel.get(0);
+        this.angularAcceleration = poseVelocity.angVel.get(1);
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumCommandMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumCommandMessage.java
new file mode 100644
index 0000000..a443c9e
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumCommandMessage.java
@@ -0,0 +1,19 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+public final class MecanumCommandMessage {
+    public long timestamp;
+    public double voltage;
+    public double leftFrontPower;
+    public double leftBackPower;
+    public double rightBackPower;
+    public double rightFrontPower;
+
+    public MecanumCommandMessage(double voltage, double leftFrontPower, double leftBackPower, double rightBackPower, double rightFrontPower) {
+        this.timestamp = System.nanoTime();
+        this.voltage = voltage;
+        this.leftFrontPower = leftFrontPower;
+        this.leftBackPower = leftBackPower;
+        this.rightBackPower = rightBackPower;
+        this.rightFrontPower = rightFrontPower;
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumLocalizerInputsMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumLocalizerInputsMessage.java
new file mode 100644
index 0000000..034a9f3
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/MecanumLocalizerInputsMessage.java
@@ -0,0 +1,30 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+
+import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.YawPitchRollAngles;
+
+public final class MecanumLocalizerInputsMessage {
+    public long timestamp;
+    public PositionVelocityPair leftFront;
+    public PositionVelocityPair leftBack;
+    public PositionVelocityPair rightBack;
+    public PositionVelocityPair rightFront;
+    public double yaw;
+    public double pitch;
+    public double roll;
+
+    public MecanumLocalizerInputsMessage(PositionVelocityPair leftFront, PositionVelocityPair leftBack, PositionVelocityPair rightBack, PositionVelocityPair rightFront, YawPitchRollAngles angles) {
+        this.timestamp = System.nanoTime();
+        this.leftFront = leftFront;
+        this.leftBack = leftBack;
+        this.rightBack = rightBack;
+        this.rightFront = rightFront;
+        {
+            this.yaw = angles.getYaw(AngleUnit.RADIANS);
+            this.pitch = angles.getPitch(AngleUnit.RADIANS);
+            this.roll = angles.getRoll(AngleUnit.RADIANS);
+        }
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/PoseMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/PoseMessage.java
new file mode 100644
index 0000000..417459f
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/PoseMessage.java
@@ -0,0 +1,18 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.Pose2d;
+
+public final class PoseMessage {
+    public long timestamp;
+    public double x;
+    public double y;
+    public double heading;
+
+    public PoseMessage(Pose2d pose) {
+        this.timestamp = System.nanoTime();
+        this.x = pose.position.x;
+        this.y = pose.position.y;
+        this.heading = pose.heading.toDouble();
+    }
+}
+
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankCommandMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankCommandMessage.java
new file mode 100644
index 0000000..3be8b5f
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankCommandMessage.java
@@ -0,0 +1,15 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+public final class TankCommandMessage {
+    public long timestamp;
+    public double voltage;
+    public double leftPower;
+    public double rightPower;
+
+    public TankCommandMessage(double voltage, double leftPower, double rightPower) {
+        this.timestamp = System.nanoTime();
+        this.voltage = voltage;
+        this.leftPower = leftPower;
+        this.rightPower = rightPower;
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankLocalizerInputsMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankLocalizerInputsMessage.java
new file mode 100644
index 0000000..d5dd970
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TankLocalizerInputsMessage.java
@@ -0,0 +1,17 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+
+import java.util.List;
+
+public final class TankLocalizerInputsMessage {
+    public long timestamp;
+    public PositionVelocityPair[] left;
+    public PositionVelocityPair[] right;
+
+    public TankLocalizerInputsMessage(List<PositionVelocityPair> left, List<PositionVelocityPair> right) {
+        this.timestamp = System.nanoTime();
+        this.left = left.toArray(new PositionVelocityPair[0]);
+        this.right = right.toArray(new PositionVelocityPair[0]);
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/ThreeDeadWheelInputsMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/ThreeDeadWheelInputsMessage.java
new file mode 100644
index 0000000..1cf57bd
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/ThreeDeadWheelInputsMessage.java
@@ -0,0 +1,17 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+
+public final class ThreeDeadWheelInputsMessage {
+    public long timestamp;
+    public PositionVelocityPair par0;
+    public PositionVelocityPair par1;
+    public PositionVelocityPair perp;
+
+    public ThreeDeadWheelInputsMessage(PositionVelocityPair par0, PositionVelocityPair par1, PositionVelocityPair perp) {
+        this.timestamp = System.nanoTime();
+        this.par0 = par0;
+        this.par1 = par1;
+        this.perp = perp;
+    }
+}
\ No newline at end of file
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TwoDeadWheelInputsMessage.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TwoDeadWheelInputsMessage.java
new file mode 100644
index 0000000..79d2b6b
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/messages/TwoDeadWheelInputsMessage.java
@@ -0,0 +1,35 @@
+package org.firstinspires.ftc.teamcode.libs.RR.messages;
+
+import com.acmerobotics.roadrunner.ftc.PositionVelocityPair;
+
+import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit;
+import org.firstinspires.ftc.robotcore.external.navigation.AngularVelocity;
+import org.firstinspires.ftc.robotcore.external.navigation.YawPitchRollAngles;
+
+public final class TwoDeadWheelInputsMessage {
+    public long timestamp;
+    public PositionVelocityPair par;
+    public PositionVelocityPair perp;
+    public double yaw;
+    public double pitch;
+    public double roll;
+    public double xRotationRate;
+    public double yRotationRate;
+    public double zRotationRate;
+
+    public TwoDeadWheelInputsMessage(PositionVelocityPair par, PositionVelocityPair perp, YawPitchRollAngles angles, AngularVelocity angularVelocity) {
+        this.timestamp = System.nanoTime();
+        this.par = par;
+        this.perp = perp;
+        {
+            this.yaw = angles.getYaw(AngleUnit.RADIANS);
+            this.pitch = angles.getPitch(AngleUnit.RADIANS);
+            this.roll = angles.getRoll(AngleUnit.RADIANS);
+        }
+        {
+            this.xRotationRate = angularVelocity.xRotationRate;
+            this.yRotationRate = angularVelocity.yRotationRate;
+            this.zRotationRate = angularVelocity.zRotationRate;
+        }
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/LocalizationTest.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/LocalizationTest.java
new file mode 100644
index 0000000..568d4d1
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/LocalizationTest.java
@@ -0,0 +1,78 @@
+package org.firstinspires.ftc.teamcode.libs.RR.tuning;
+
+import com.acmerobotics.dashboard.FtcDashboard;
+import com.acmerobotics.dashboard.telemetry.MultipleTelemetry;
+import com.acmerobotics.dashboard.telemetry.TelemetryPacket;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.PoseVelocity2d;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
+
+import org.firstinspires.ftc.teamcode.libs.RR.Drawing;
+import org.firstinspires.ftc.teamcode.libs.RR.MecanumDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.TankDrive;
+
+public class LocalizationTest extends LinearOpMode {
+    @Override
+    public void runOpMode() throws InterruptedException {
+        telemetry = new MultipleTelemetry(telemetry, FtcDashboard.getInstance().getTelemetry());
+
+        if (TuningOpModes.DRIVE_CLASS.equals(MecanumDrive.class)) {
+            MecanumDrive drive = new MecanumDrive(hardwareMap, new Pose2d(0, 0, 0));
+
+            waitForStart();
+
+            while (opModeIsActive()) {
+                drive.setDrivePowers(new PoseVelocity2d(
+                        new Vector2d(
+                                -gamepad1.left_stick_y,
+                                -gamepad1.left_stick_x
+                        ),
+                        -gamepad1.right_stick_x
+                ));
+
+                drive.updatePoseEstimate();
+
+                Pose2d pose = drive.localizer.getPose();
+                telemetry.addData("x", pose.position.x);
+                telemetry.addData("y", pose.position.y);
+                telemetry.addData("heading (deg)", Math.toDegrees(pose.heading.toDouble()));
+                telemetry.update();
+
+                TelemetryPacket packet = new TelemetryPacket();
+                packet.fieldOverlay().setStroke("#3F51B5");
+                Drawing.drawRobot(packet.fieldOverlay(), pose);
+                FtcDashboard.getInstance().sendTelemetryPacket(packet);
+            }
+        } else if (TuningOpModes.DRIVE_CLASS.equals(TankDrive.class)) {
+            TankDrive drive = new TankDrive(hardwareMap, new Pose2d(0, 0, 0));
+
+            waitForStart();
+
+            while (opModeIsActive()) {
+                drive.setDrivePowers(new PoseVelocity2d(
+                        new Vector2d(
+                                -gamepad1.left_stick_y,
+                                0.0
+                        ),
+                        -gamepad1.right_stick_x
+                ));
+
+                drive.updatePoseEstimate();
+
+                Pose2d pose = drive.localizer.getPose();
+                telemetry.addData("x", pose.position.x);
+                telemetry.addData("y", pose.position.y);
+                telemetry.addData("heading (deg)", Math.toDegrees(pose.heading.toDouble()));
+                telemetry.update();
+
+                TelemetryPacket packet = new TelemetryPacket();
+                packet.fieldOverlay().setStroke("#3F51B5");
+                Drawing.drawRobot(packet.fieldOverlay(), pose);
+                FtcDashboard.getInstance().sendTelemetryPacket(packet);
+            }
+        } else {
+            throw new RuntimeException();
+        }
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/ManualFeedbackTuner.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/ManualFeedbackTuner.java
new file mode 100644
index 0000000..59ee5ee
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/ManualFeedbackTuner.java
@@ -0,0 +1,63 @@
+package org.firstinspires.ftc.teamcode.libs.RR.tuning;
+
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.ftc.Actions;
+import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
+
+import org.firstinspires.ftc.teamcode.libs.RR.MecanumDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.TankDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.ThreeDeadWheelLocalizer;
+import org.firstinspires.ftc.teamcode.libs.RR.TwoDeadWheelLocalizer;
+
+public final class ManualFeedbackTuner extends LinearOpMode {
+    public static double DISTANCE = 64;
+
+    @Override
+    public void runOpMode() throws InterruptedException {
+        if (TuningOpModes.DRIVE_CLASS.equals(MecanumDrive.class)) {
+            MecanumDrive drive = new MecanumDrive(hardwareMap, new Pose2d(0, 0, 0));
+            
+            if (drive.localizer instanceof TwoDeadWheelLocalizer) {
+                if (TwoDeadWheelLocalizer.PARAMS.perpXTicks == 0 && TwoDeadWheelLocalizer.PARAMS.parYTicks == 0) {
+                    throw new RuntimeException("Odometry wheel locations not set! Run AngularRampLogger to tune them.");
+                }
+            } else if (drive.localizer instanceof ThreeDeadWheelLocalizer) {
+                if (ThreeDeadWheelLocalizer.PARAMS.perpXTicks == 0 && ThreeDeadWheelLocalizer.PARAMS.par0YTicks == 0 && ThreeDeadWheelLocalizer.PARAMS.par1YTicks == 1) {
+                    throw new RuntimeException("Odometry wheel locations not set! Run AngularRampLogger to tune them.");
+                }
+            }
+            waitForStart();
+
+            while (opModeIsActive()) {
+                Actions.runBlocking(
+                    drive.actionBuilder(new Pose2d(0, 0, 0))
+                            .lineToX(DISTANCE)
+                            .lineToX(0)
+                            .build());
+            }
+        } else if (TuningOpModes.DRIVE_CLASS.equals(TankDrive.class)) {
+            TankDrive drive = new TankDrive(hardwareMap, new Pose2d(0, 0, 0));
+
+            if (drive.localizer instanceof TwoDeadWheelLocalizer) {
+                if (TwoDeadWheelLocalizer.PARAMS.perpXTicks == 0 && TwoDeadWheelLocalizer.PARAMS.parYTicks == 0) {
+                    throw new RuntimeException("Odometry wheel locations not set! Run AngularRampLogger to tune them.");
+                }
+            } else if (drive.localizer instanceof ThreeDeadWheelLocalizer) {
+                if (ThreeDeadWheelLocalizer.PARAMS.perpXTicks == 0 && ThreeDeadWheelLocalizer.PARAMS.par0YTicks == 0 && ThreeDeadWheelLocalizer.PARAMS.par1YTicks == 1) {
+                    throw new RuntimeException("Odometry wheel locations not set! Run AngularRampLogger to tune them.");
+                }
+            }
+            waitForStart();
+
+            while (opModeIsActive()) {
+                Actions.runBlocking(
+                    drive.actionBuilder(new Pose2d(0, 0, 0))
+                            .lineToX(DISTANCE)
+                            .lineToX(0)
+                            .build());
+            }
+        } else {
+            throw new RuntimeException();
+        }
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/SplineTest.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/SplineTest.java
new file mode 100644
index 0000000..6075df6
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/SplineTest.java
@@ -0,0 +1,39 @@
+package org.firstinspires.ftc.teamcode.libs.RR.tuning;
+
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.Vector2d;
+import com.acmerobotics.roadrunner.ftc.Actions;
+import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
+
+import org.firstinspires.ftc.teamcode.libs.RR.MecanumDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.TankDrive;
+
+public final class SplineTest extends LinearOpMode {
+    @Override
+    public void runOpMode() throws InterruptedException {
+        Pose2d beginPose = new Pose2d(0, 0, 0);
+        if (TuningOpModes.DRIVE_CLASS.equals(MecanumDrive.class)) {
+            MecanumDrive drive = new MecanumDrive(hardwareMap, beginPose);
+
+            waitForStart();
+
+            Actions.runBlocking(
+                drive.actionBuilder(beginPose)
+                        .splineTo(new Vector2d(30, 30), Math.PI / 2)
+                        .splineTo(new Vector2d(0, 60), Math.PI)
+                        .build());
+        } else if (TuningOpModes.DRIVE_CLASS.equals(TankDrive.class)) {
+            TankDrive drive = new TankDrive(hardwareMap, beginPose);
+
+            waitForStart();
+
+            Actions.runBlocking(
+                    drive.actionBuilder(beginPose)
+                            .splineTo(new Vector2d(30, 30), Math.PI / 2)
+                            .splineTo(new Vector2d(0, 60), Math.PI)
+                            .build());
+        } else {
+            throw new RuntimeException();
+        }
+    }
+}
diff --git a/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/TuningOpModes.java b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/TuningOpModes.java
new file mode 100644
index 0000000..effcadf
--- /dev/null
+++ b/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/libs/RR/tuning/TuningOpModes.java
@@ -0,0 +1,321 @@
+package org.firstinspires.ftc.teamcode.libs.RR.tuning;
+
+import androidx.annotation.NonNull;
+
+import com.acmerobotics.dashboard.FtcDashboard;
+import com.acmerobotics.dashboard.config.reflection.ReflectionConfig;
+import com.acmerobotics.roadrunner.MotorFeedforward;
+import com.acmerobotics.roadrunner.Pose2d;
+import com.acmerobotics.roadrunner.ftc.AngularRampLogger;
+import com.acmerobotics.roadrunner.ftc.DeadWheelDirectionDebugger;
+import com.acmerobotics.roadrunner.ftc.DriveType;
+import com.acmerobotics.roadrunner.ftc.DriveView;
+import com.acmerobotics.roadrunner.ftc.DriveViewFactory;
+import com.acmerobotics.roadrunner.ftc.Encoder;
+import com.acmerobotics.roadrunner.ftc.EncoderGroup;
+import com.acmerobotics.roadrunner.ftc.EncoderRef;
+import com.acmerobotics.roadrunner.ftc.ForwardPushTest;
+import com.acmerobotics.roadrunner.ftc.ForwardRampLogger;
+import com.acmerobotics.roadrunner.ftc.LateralPushTest;
+import com.acmerobotics.roadrunner.ftc.LateralRampLogger;
+import com.acmerobotics.roadrunner.ftc.LazyImu;
+import com.acmerobotics.roadrunner.ftc.LynxQuadratureEncoderGroup;
+import com.acmerobotics.roadrunner.ftc.ManualFeedforwardTuner;
+import com.acmerobotics.roadrunner.ftc.MecanumMotorDirectionDebugger;
+import com.acmerobotics.roadrunner.ftc.OTOSAngularScalarTuner;
+import com.acmerobotics.roadrunner.ftc.OTOSEncoderGroup;
+import com.acmerobotics.roadrunner.ftc.OTOSHeadingOffsetTuner;
+import com.acmerobotics.roadrunner.ftc.OTOSIMU;
+import com.acmerobotics.roadrunner.ftc.OTOSLinearScalarTuner;
+import com.acmerobotics.roadrunner.ftc.OTOSPositionOffsetTuner;
+import com.acmerobotics.roadrunner.ftc.PinpointEncoderGroup;
+import com.acmerobotics.roadrunner.ftc.PinpointIMU;
+import com.acmerobotics.roadrunner.ftc.PinpointView;
+import com.qualcomm.hardware.gobilda.GoBildaPinpointDriver;
+import com.qualcomm.hardware.lynx.LynxModule;
+import com.qualcomm.robotcore.eventloop.opmode.OpMode;
+import com.qualcomm.robotcore.eventloop.opmode.OpModeManager;
+import com.qualcomm.robotcore.eventloop.opmode.OpModeRegistrar;
+import com.qualcomm.robotcore.hardware.DcMotorSimple;
+
+import org.firstinspires.ftc.robotcore.external.navigation.UnnormalizedAngleUnit;
+import org.firstinspires.ftc.robotcore.internal.opmode.OpModeMeta;
+import org.firstinspires.ftc.teamcode.libs.RR.MecanumDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.OTOSLocalizer;
+import org.firstinspires.ftc.teamcode.libs.RR.PinpointLocalizer;
+import org.firstinspires.ftc.teamcode.libs.RR.TankDrive;
+import org.firstinspires.ftc.teamcode.libs.RR.ThreeDeadWheelLocalizer;
+import org.firstinspires.ftc.teamcode.libs.RR.TwoDeadWheelLocalizer;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public final class TuningOpModes {
+    // TODO: change this to TankDrive.class if you're using tank
+    public static final Class<?> DRIVE_CLASS = MecanumDrive.class;
+
+    public static final String GROUP = "quickstart";
+    public static final boolean DISABLED = false;
+
+    private TuningOpModes() {}
+
+    private static OpModeMeta metaForClass(Class<? extends OpMode> cls) {
+        return new OpModeMeta.Builder()
+                .setName(cls.getSimpleName())
+                .setGroup(GROUP)
+                .setFlavor(OpModeMeta.Flavor.TELEOP)
+                .build();
+    }
+
+    private static PinpointView makePinpointView(PinpointLocalizer pl) {
+        return new PinpointView() {
+            GoBildaPinpointDriver.EncoderDirection parDirection = pl.initialParDirection;
+            GoBildaPinpointDriver.EncoderDirection perpDirection = pl.initialPerpDirection;
+
+            @Override
+            public void update() {
+                pl.driver.update();
+            }
+
+            @Override
+            public int getParEncoderPosition() {
+                return pl.driver.getEncoderX();
+            }
+
+            @Override
+            public int getPerpEncoderPosition() {
+                return pl.driver.getEncoderY();
+            }
+
+            @Override
+            public float getHeadingVelocity(UnnormalizedAngleUnit unit) {
+                return (float) pl.driver.getHeadingVelocity(unit);
+            }
+
+            @Override
+            public void setParDirection(@NonNull DcMotorSimple.Direction direction) {
+                parDirection = direction == DcMotorSimple.Direction.FORWARD ?
+                        GoBildaPinpointDriver.EncoderDirection.FORWARD :
+                        GoBildaPinpointDriver.EncoderDirection.REVERSED;
+                pl.driver.setEncoderDirections(parDirection, perpDirection);
+            }
+
+            @Override
+            public DcMotorSimple.Direction getParDirection() {
+                return parDirection == GoBildaPinpointDriver.EncoderDirection.FORWARD ?
+                        DcMotorSimple.Direction.FORWARD : DcMotorSimple.Direction.REVERSE;
+            }
+
+            @Override
+            public void setPerpDirection(@NonNull DcMotorSimple.Direction direction) {
+                perpDirection = direction == DcMotorSimple.Direction.FORWARD ?
+                        GoBildaPinpointDriver.EncoderDirection.FORWARD :
+                        GoBildaPinpointDriver.EncoderDirection.REVERSED;
+                pl.driver.setEncoderDirections(parDirection, perpDirection);
+            }
+
+            @Override
+            public DcMotorSimple.Direction getPerpDirection() {
+                return perpDirection == GoBildaPinpointDriver.EncoderDirection.FORWARD ?
+                        DcMotorSimple.Direction.FORWARD : DcMotorSimple.Direction.REVERSE;
+            }
+        };
+    }
+
+    @OpModeRegistrar
+    public static void register(OpModeManager manager) {
+        if (DISABLED) return;
+
+        DriveViewFactory dvf;
+        if (DRIVE_CLASS.equals(MecanumDrive.class)) {
+            dvf = hardwareMap -> {
+                MecanumDrive md = new MecanumDrive(hardwareMap, new Pose2d(0, 0, 0));
+                LazyImu lazyImu = md.lazyImu;
+
+                List<EncoderGroup> encoderGroups = new ArrayList<>();
+                List<EncoderRef> leftEncs = new ArrayList<>(), rightEncs = new ArrayList<>();
+                List<EncoderRef> parEncs = new ArrayList<>(), perpEncs = new ArrayList<>();
+                if (md.localizer instanceof MecanumDrive.DriveLocalizer) {
+                    MecanumDrive.DriveLocalizer dl = (MecanumDrive.DriveLocalizer) md.localizer;
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            Arrays.asList(dl.leftFront, dl.leftBack, dl.rightFront, dl.rightBack)
+                    ));
+                    leftEncs.add(new EncoderRef(0, 0));
+                    leftEncs.add(new EncoderRef(0, 1));
+                    rightEncs.add(new EncoderRef(0, 2));
+                    rightEncs.add(new EncoderRef(0, 3));
+                } else if (md.localizer instanceof ThreeDeadWheelLocalizer) {
+                    ThreeDeadWheelLocalizer dl = (ThreeDeadWheelLocalizer) md.localizer;
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            Arrays.asList(dl.par0, dl.par1, dl.perp)
+                    ));
+                    parEncs.add(new EncoderRef(0, 0));
+                    parEncs.add(new EncoderRef(0, 1));
+                    perpEncs.add(new EncoderRef(0, 2));
+                } else if (md.localizer instanceof TwoDeadWheelLocalizer) {
+                    TwoDeadWheelLocalizer dl = (TwoDeadWheelLocalizer) md.localizer;
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            Arrays.asList(dl.par, dl.perp)
+                    ));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                } else if (md.localizer instanceof OTOSLocalizer) {
+                    OTOSLocalizer ol = (OTOSLocalizer) md.localizer;
+                    encoderGroups.add(new OTOSEncoderGroup(ol.otos));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                    lazyImu = new OTOSIMU(ol.otos);
+                }  else if (md.localizer instanceof PinpointLocalizer) {
+                    PinpointView pv = makePinpointView((PinpointLocalizer) md.localizer);
+                    encoderGroups.add(new PinpointEncoderGroup(pv));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                    lazyImu = new PinpointIMU(pv);
+                } else {
+                    throw new RuntimeException("unknown localizer: " + md.localizer.getClass().getName());
+                }
+
+                return new DriveView(
+                    DriveType.MECANUM,
+                        MecanumDrive.PARAMS.inPerTick,
+                        MecanumDrive.PARAMS.maxWheelVel,
+                        MecanumDrive.PARAMS.minProfileAccel,
+                        MecanumDrive.PARAMS.maxProfileAccel,
+                        encoderGroups,
+                        Arrays.asList(
+                                md.leftFront,
+                                md.leftBack
+                        ),
+                        Arrays.asList(
+                                md.rightFront,
+                                md.rightBack
+                        ),
+                        leftEncs,
+                        rightEncs,
+                        parEncs,
+                        perpEncs,
+                        lazyImu,
+                        md.voltageSensor,
+                        () -> new MotorFeedforward(MecanumDrive.PARAMS.kS,
+                                MecanumDrive.PARAMS.kV / MecanumDrive.PARAMS.inPerTick,
+                                MecanumDrive.PARAMS.kA / MecanumDrive.PARAMS.inPerTick),
+                        0
+                );
+            };
+        } else if (DRIVE_CLASS.equals(TankDrive.class)) {
+            dvf = hardwareMap -> {
+                TankDrive td = new TankDrive(hardwareMap, new Pose2d(0, 0, 0));
+                LazyImu lazyImu = td.lazyImu;
+
+                List<EncoderGroup> encoderGroups = new ArrayList<>();
+                List<EncoderRef> leftEncs = new ArrayList<>(), rightEncs = new ArrayList<>();
+                List<EncoderRef> parEncs = new ArrayList<>(), perpEncs = new ArrayList<>();
+                if (td.localizer instanceof TankDrive.DriveLocalizer) {
+                    TankDrive.DriveLocalizer dl = (TankDrive.DriveLocalizer) td.localizer;
+                    List<Encoder> allEncoders = new ArrayList<>();
+                    allEncoders.addAll(dl.leftEncs);
+                    allEncoders.addAll(dl.rightEncs);
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            allEncoders
+                    ));
+                    for (int i = 0; i < dl.leftEncs.size(); i++) {
+                        leftEncs.add(new EncoderRef(0, i));
+                    }
+                    for (int i = 0; i < dl.rightEncs.size(); i++) {
+                        rightEncs.add(new EncoderRef(0, dl.leftEncs.size() + i));
+                    }
+                } else if (td.localizer instanceof ThreeDeadWheelLocalizer) {
+                    ThreeDeadWheelLocalizer dl = (ThreeDeadWheelLocalizer) td.localizer;
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            Arrays.asList(dl.par0, dl.par1, dl.perp)
+                    ));
+                    parEncs.add(new EncoderRef(0, 0));
+                    parEncs.add(new EncoderRef(0, 1));
+                    perpEncs.add(new EncoderRef(0, 2));
+                } else if (td.localizer instanceof TwoDeadWheelLocalizer) {
+                    TwoDeadWheelLocalizer dl = (TwoDeadWheelLocalizer) td.localizer;
+                    encoderGroups.add(new LynxQuadratureEncoderGroup(
+                            hardwareMap.getAll(LynxModule.class),
+                            Arrays.asList(dl.par, dl.perp)
+                    ));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                }  else if (td.localizer instanceof PinpointLocalizer) {
+                    PinpointView pv = makePinpointView((PinpointLocalizer) td.localizer);
+                    encoderGroups.add(new PinpointEncoderGroup(pv));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                    lazyImu = new PinpointIMU(pv);
+                } else if (td.localizer instanceof OTOSLocalizer) {
+                    OTOSLocalizer ol = (OTOSLocalizer) td.localizer;
+                    encoderGroups.add(new OTOSEncoderGroup(ol.otos));
+                    parEncs.add(new EncoderRef(0, 0));
+                    perpEncs.add(new EncoderRef(0, 1));
+                    lazyImu = new OTOSIMU(ol.otos);
+                } else {
+                    throw new RuntimeException("unknown localizer: " + td.localizer.getClass().getName());
+                }
+
+                return new DriveView(
+                        DriveType.TANK,
+                        TankDrive.PARAMS.inPerTick,
+                        TankDrive.PARAMS.maxWheelVel,
+                        TankDrive.PARAMS.minProfileAccel,
+                        TankDrive.PARAMS.maxProfileAccel,
+                        encoderGroups,
+                        td.leftMotors,
+                        td.rightMotors,
+                        leftEncs,
+                        rightEncs,
+                        parEncs,
+                        perpEncs,
+                        lazyImu,
+                        td.voltageSensor,
+                        () -> new MotorFeedforward(TankDrive.PARAMS.kS,
+                                TankDrive.PARAMS.kV / TankDrive.PARAMS.inPerTick,
+                                TankDrive.PARAMS.kA / TankDrive.PARAMS.inPerTick),
+                        0
+                );
+            };
+        } else {
+            throw new RuntimeException();
+        }
+
+        manager.register(metaForClass(AngularRampLogger.class), new AngularRampLogger(dvf));
+        manager.register(metaForClass(ForwardPushTest.class), new ForwardPushTest(dvf));
+        manager.register(metaForClass(ForwardRampLogger.class), new ForwardRampLogger(dvf));
+        manager.register(metaForClass(LateralPushTest.class), new LateralPushTest(dvf));
+        manager.register(metaForClass(LateralRampLogger.class), new LateralRampLogger(dvf));
+        manager.register(metaForClass(ManualFeedforwardTuner.class), new ManualFeedforwardTuner(dvf));
+        manager.register(metaForClass(MecanumMotorDirectionDebugger.class), new MecanumMotorDirectionDebugger(dvf));
+        manager.register(metaForClass(DeadWheelDirectionDebugger.class), new DeadWheelDirectionDebugger(dvf));
+
+        manager.register(metaForClass(ManualFeedbackTuner.class), ManualFeedbackTuner.class);
+        manager.register(metaForClass(SplineTest.class), SplineTest.class);
+        manager.register(metaForClass(LocalizationTest.class), LocalizationTest.class);
+
+        manager.register(metaForClass(OTOSAngularScalarTuner.class), new OTOSAngularScalarTuner(dvf));
+        manager.register(metaForClass(OTOSLinearScalarTuner.class), new OTOSLinearScalarTuner(dvf));
+        manager.register(metaForClass(OTOSHeadingOffsetTuner.class), new OTOSHeadingOffsetTuner(dvf));
+        manager.register(metaForClass(OTOSPositionOffsetTuner.class), new OTOSPositionOffsetTuner(dvf));
+
+        FtcDashboard.getInstance().withConfigRoot(configRoot -> {
+            for (Class<?> c : Arrays.asList(
+                    AngularRampLogger.class,
+                    ForwardRampLogger.class,
+                    LateralRampLogger.class,
+                    ManualFeedforwardTuner.class,
+                    MecanumMotorDirectionDebugger.class,
+                    ManualFeedbackTuner.class
+            )) {
+                configRoot.putVariable(c.getSimpleName(), ReflectionConfig.createVariableFromClass(c));
+            }
+        });
+    }
+}
diff --git a/build.common.gradle b/build.common.gradle
index a1d2fa4..2d040b3 100644
--- a/build.common.gradle
+++ b/build.common.gradle
@@ -21,7 +21,7 @@ apply plugin: 'com.android.application'
 
 android {
 
-    compileSdkVersion 30
+    compileSdkVersion 34
 
     signingConfigs {
         release {
diff --git a/build.dependencies.gradle b/build.dependencies.gradle
index 5356344..3820118 100644
--- a/build.dependencies.gradle
+++ b/build.dependencies.gradle
@@ -3,6 +3,7 @@ repositories {
     google() // Needed for androidx
     maven { url = 'https://maven.pedropathing.com' } //Pedro
     maven { url = "https://mymaven.bylazar.com/releases" } //Panels
+    maven { url = 'https://maven.brott.dev/' } //RR
 }
 
 dependencies {
@@ -21,6 +22,11 @@ dependencies {
 
     implementation 'com.bylazar:fullpanels:1.0.2' //Panels
 
+    implementation "com.acmerobotics.roadrunner:ftc:0.1.25" //RR
+    implementation "com.acmerobotics.roadrunner:core:1.0.1" //RR
+    implementation "com.acmerobotics.roadrunner:actions:1.0.1" //RR
+    implementation "com.acmerobotics.dashboard:dashboard:0.4.17" //FTC Dash
+