在LCD屏幕上显示秒表计时，并利用按键控制秒表的开始与暂停及清零。同时LED灯呈跑马灯闪烁-Displayed on the LCD screen stopwatch timer, and stopwatch using buttons control the start and pause and clear. LED lights were also flashing marquees

基于嵌入式的数字秒表的设计要求有闹钟和年月日的显示-Based on the design requirements of the embedded digital stopwatch, alarm clock and date display

基于ARM9的倒计时秒表，用QT绘制界面，倒计时为零LED闪烁，有加减计时，暂停，启动，复位，单片机复位等功能-ARM9-based countdown stopwatch with QT drawing interface, the countdown to zero LED flashes, there is plus or minus timing, pause, start, reset, the microcontroller reset function

实现简易秒表功能，一共可以记录五组运动员时间数据。-To achieve a simple stopwatch function, can record a total of five groups of athletes time data.