Introduction - If you have any usage issues, please Google them yourself
STM32F4 can communicate with, you can achieve all kinds of gestures to control multiple stepper motors, such as forward, reverse, intermittent turn, turn a certain time to stop, to stop some time, continue to turn, the multi-day practice, communication time long, strong stability. This is a Bluetooth host, stm32 as the host, stepper motor control.