步进电机转速数码管显示，采用C51单片机控制-Stepper motor speed digital display, with C51 MCU

单片机控制显示步进电机的转速，用数码管显示出来。-Single-chip stepper motor speed control display with a digital display.

本程序演示了单片机对步进电机的控制,包括转速控制和方向控制,和转速在数码管上的显示-This program demonstrates a single-chip stepper motor control, including speed control and direction control, and speed in the digital tube display