基于89C52单片机的键盘控制步进电机,可以实现步进电机正转反转，加速。需要自配变压器及细分驱动器。-Based on the 89C52 microcontroller keyboard to control the stepper motor, stepper motors reverse, speed up. Need to be self-made transformer and subdivision driver.

利用单片机来控制步进电机的转动，可以实现正转、反转、急停等功能-Using microcontroller to control the rotation of the stepping motor can achieve forward, reverse, stop and other functions

本设计采用AT89S52单片机为主控制器设计出一种基于PWM波控制直流电机的调速系统，通过微机和驱动电路可以实现电机的正反转，加减速调整-This design uses AT89S52 microcontroller-based controller design based on PWM wave control DC motor speed control system, through the computer and the drive circuit can be achieved

通过C51单片机控制步进电机，实现正转、反转、加速和减速的功能。-By C51 MCU control stepper motor to achieve forward, reverse, acceleration and deceleration function.