Robot spins wheels without any code

So I don’t quite know how to explain this but when i plug the motors into ports they begin to spin wildly. The thing is, if I plug them into the top of the ports (its a 2-wire motor so there’s an extra slot) it spins slowly, yet if i put it in the bottom two it acts as though I put them up to full power. I’ve checked to see if the cortex has any programs downloaded into it but none pop up in the registry. If anyone has any idea of what to do that would be very much appreciated.

Use a motor controller. The motors are not meant to plug directly into the 3-wire ports of motor ports 2-9.


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