单片机向LM629给初值，LM629根据所给参数开始调节直流电机转速，编码器反馈值送回LM629，重新修改参数，控制电机转速。-Microcontroller to the initial value to the LM629, LM629 began to adjust parameters according to the DC motor speed encoder feedback value back to the LM629, re-modify the parameters to

stm32F103 2EA Encoder Input. Encoder is step motor control signal.-stm32F103 2EA Encoder Input. Encoder is step motor control signal.

利用编码器，步进电机，实现，反馈编码器的脉冲，控制步进电机的工作(Use the encoder, step motor, realize, feed back the pulse of the encoder, control the work of the stepping motor.)