Introduction - If you have any usage issues, please Google them yourself
In this study, key way to control the stepper motor rotation* * Connection methods: A> P1.4, A-> P1.5, B> P1.6, B-> P1.7, GND, VCC* * Press button " K1" , stepper motor Story* * press the button " K2" , stepper motor reverse* * press the button " K3" , stepper motor to stop**