1PC DC 5v-12v 2-PHASE&4-Phase 5-Wire Stepper Motor Driver Board Speed Controller

Normal mode 2: S1 forwards the start button, S2 reverses the start button, press any button to stop. If a limit stop is required, the upper limit switch can be connected to P3. DIY Flat Belt Screw Leather Craft Chicago Nail Brass Solid Rivets Stud Head I.

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