Step motor and single chip power together with too much pressure, which does not work, I want to step motor power supply with single power supply, power supply and power supply separate 2 microcontroller, the power supply should be connected together with 1 (or 2 single chip power supply which)?
The two power negative electrodes are grounded (GND),Monolithic output current is small, can not directly drive stepper motor, drive through, or drive the chip, or driven by discrete components to build the circuit.
Stepping motors use another power source with appropriate voltage and large capacity,
In order to avoid interference, the microcontroller can use a better independent power supply
