Quote:
Originally Posted by meatmanek
Last year, we used mecanum wheels to drive our robot. I played with some code using the YRG to make the joystick always be relative to the driver, rather than the robot. Push forward on the joystick, and it goes down the field, push right on the joystick, and it goes right on the field, twist the joystick and the robot will turn. Unfortunately, our drivetrain was too fast, capable of turning about one revolution per second (without the rest of the robot, I don't know what it was with all of that). The YRG was limited to 80 degrees per second. I wanted to get another gyro, but we never followed through on that.
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Get the ADXRS300EB gyro (or the Sparkfun breakout board equivalent, which is easier to wire), and you won't regret it. Last year we made a prototype holonomic drive, and it was way fun to drive, and user-centric coordinates allow you to easily do things like spin while driving.