Acxico 1Pcs 2Phase/4Phase Mini Stepper Motor Driver Board Speed Controller DIY DC 5V~12V industrial non-slip teeth

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Acxico 1Pcs 2Phase/4Phase Mini Stepper Motor Driver Board Speed Controller DIY DC 5V~12V industrial non-slip teethAcxico 1Pcs 2Phase 4Phase Mini Stepper Motor Driver Board Speed Controller DIY DC 5V~12V Working Mode: 1. Normal Mode 1: S1 start stop button, S2 forward and reverse button, W2 potentiometer speed control. If limit reversal is required, two limit switches can be connected to the P3 pin, and the motor motion shaft is mounted with contacts, so that the motor will reciprocate within the stroke between the two limit switches. 2. Normal Mode 2: S1 forwards