本设计是以stc89c51为控制核心的秒表，利用单片机课程开发板作为主板，外接1602液晶显示。

本设计依照基本秒表的功能进行设计，通过独立按键的配合，能够完成计时的启动、停止、复位、定时等功能 同时本设计采用模拟远程控制，利用串口通信模拟远程控制秒表的启动、停止、复位等功能。 -The design is based on stc89c51 as the control center of the stopwatch, using SCM curriculum development board as a motherboard, add-1602 LCD. The design in accordance with the basic functions of a stopwatch designed with separate keys through, to complete the timing of start, stop, reset, timing and other functions　while the design of analog remote control, remote control using serial communication analog stopwatch start, stop, reset functions.