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Originally Posted by EricS-Team180
At the Palmetto Regional, we built and successfully tested a wiring harness to switch our drive train Vics between Brake/Coast modes, from the Digital I/O pins of the FRC.
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We did this as well after one of our regionals. To prevent the possibility of tipping over, though, we took into account our current speed before engaging the brake (since our position tracking system already was measuring wheel speed). So, when the drivers would put the joysticks in neutral, the brake mode would be engaged once the robot's speed fell below a certain minimum. When in low gear this made our robot much more difficult to push around but avoided the nasty side effect of possibly tipping over if the joysticks were released while running at full speed.