In SX Microcontrollers, SX/B Compiler and SX-Key Tool, robotworkshop wrote:

This thread should probably be moved to the robotics group or the Sandbox since it doesn't mention the SX chips.

I've often see people run motors at higher than rated voltages (12V motors at 24V) but that was mostly at Battlebots events where you didn't plan on using them for more than 3 minutes at a time and expected to replace them.

Running a 12V controller at 24V or using them with motors that draw more current than the controller is designed for is a recipe for disaster.  You are extremely lucky that you haven't turned your controllers into toast if you haven't already.

You can safely run your 24V motors at 12V (although at reduced speed).  So you have several options:

- Run your 24V motors at 12V
- Use 12V motors
- Buy new controllers that handle 24V at higher capacity (more amps)

If you are competing then I would expect you would want your robot to be reliable, right?  If so, stay within the specs whenever possible and don't exceed them unless you know the consequences.  If you are unsure then ask questions.  You may want to checkout the robot combat groups as well as some for the FIRST robotics.

Good luck,

Robert

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