24H DC 12V PWM bürstenloser Servomotor CW/CCW eingebauter Antrieb Encoder für Nidec
10,53 €
Because if the power line is switched on, the driver board inside seems to be working. We don't know why. Green line: direction. (Duty cycle between 0% and 90%). If they are connected incorrectly, the drive board will be burnt out.
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