Reversing the engine and turning, stopping and running can be controlled by key. Power supply: DC15-80V or 12V. This is a pulse module that can deliver a frequency from 2.5 kHz to 68 kHz and provide a signal to the stepper driver. If you want to control the stepper motor, you still need to use a motor driver. If you want to change the frequency range, you can change the capacity of C46. The motor speed can be controlled by adjusting the potentiometer
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