Turning a motor when it is unpowered does generate a voltage. That voltage is no different in principle from the back EMF that the motor generates when it
is powered.
Unless you're backdriving the motor much faster than its free speed, I don't think you're going to create a situation where the speed controller is in any danger.
Quote:
Originally Posted by AllenGregoryIV
Back in the IFI controller days, I used to jump start the RC to get it to power itself off the backup battery by pushing the robot so I could download code with out a battery.
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Me too!