How do I build and program a mecanum drivetrain?

To build a mecanum drivetrain, you can follow the steps outlined in the Mecanum Drivetrain V2 documentation from REV Robotics. This guide provides a detailed list of parts and instructions for assembling the drivetrain.

For programming a mecanum drivetrain, you can refer to the Mecanum TeleOp guide, which provides an overview of mecanum physics and control equations. Additionally, you can check out the Mecanum Drive Example Code Template and Configuration page from REV Robotics for example code and configuration guidance.

Here are some key points to consider when building and programming a mecanum drivetrain:

* Use a mecanum wheel set with two left and two right wheels, and ensure that the wheels are properly configured to form an "X" shape when viewed from the top.
* Use four motors to operate the drivetrain, and consider using a gearbox or other speed reduction mechanism to achieve the desired speed and torque.
* When programming the drivetrain, use the mecanum control equations to calculate the motor speeds and directions based on the desired movement and rotation of the robot.
* Consider using a library or framework that provides pre-built functions for mecanum drivetrain control, such as the REV Robotics Duo Control system.

Mecanum Drivetrain V2
Mecanum TeleOp
Mecanum Drive Example Code Template and Configuration

Sources
- How to Build a Mecanum Drivetrain (Full Step-By-Step Tutorial) — 1:00:37 to 1:01:27 — Brogan M. Pratt
- Mecanum Wheel Setup and Behavior | REV DUO Build System | REV Robotics Documentation
- Mecanum Wheel Setup and Behavior | REV DUO Build System | REV Robotics Documentation
- How to Build a Mecanum Drivetrain (Full Step-By-Step Tutorial) — 0:03 to 2:33 — Brogan M. Pratt
- What Makes a Good Mecanum Drivetrain? (And Why Most Robots Get It Wrong) — 10:04 to 12:35 — Brogan M. Pratt