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A, B, C, D four phase LED indicates the status of the stepper motor work
A, B, C, D four phase LED indicates the status of the stepper motor work
A, B, C, D four-phase LED indicates the status of the stepper motor work
ULN2003 driver board use high power chip for driving stepper motor
Increased output expansion interface
It has a standard interface for plug and play
A, B, C, D light emitting diode instructions four phase stepper motor work with the state of the standard stepper motor interface, can be used directly plug
