11 years, 3 months ago.

wheels move in opposite directions. HELP!

When we run the car with both wheels running at the same power one of the wheels spins the opposite direction. When we run the car with the wheel that runs backward running at a negative power neither of the wheels move at the speed or direction they should. Since we can get both wheels to run fine when we use a single power parameter we assume it must be a hardware problem. Any suggestions?

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