Top Positive Review for Motor Driver on Banggood|Shopping Philippines

42% OFF 28YBJ-48 DC 5V 4 Phase 5 Wire Stepper Motor With ULN2003 Driver Board 4,84€ 8,29€ View It

Overall:

Archibald 31/01/2016

Instead of swapping connections around as suggested by other reviewers, I kept the connections in order and edited the sketch. I am using digital outputs D5 to D8 so used this pin assignment: #define motorPin1 5 #define motorPin2 7 #define motorPin3 6 #define motorPin4 8 I find the motor works at 15 RPM but does not work at 20 RPM; this is to be expected for a stepper motor. Torque is surprisingly good. It is not clear what the jumper adjacent to the +5V header pin is for.

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