![]() ![]() As such, this method requires 4 pins from your Pi to drive the Motor Vs only 1 pin with a more advanced stepper driver. There are 2 coils on a bipolar stepper motor, each with a + and a – side. There exist cheap stepper drivers which only require 1 signal from the Pi to be instructed to execute a full step sequence. ![]() You are activating the motor’s coils in sequence yourself to have it take steps. This is a rudimentary way to drive a stepper motor.
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