TRAFFIC LIGHT CONTROLLER using C51 and RTX-51 tiny，This program is a simple Traffic Light Controller. Between　start time and end time the system controls a traffic light with pedestrian self-service. Outside of this time range the yellow caution lamp

基于UML的汽车安全带提示控制系统建模. 设计要求： 若未系安全带，亮红灯提示； 车辆行驶速度小于10km/h，红灯不闪烁，蜂鸣器不发声；大于10km/h,红灯闪烁，蜂鸣器发声，但是行驶时间超过5分钟，则蜂鸣器停止发声，红灯亮，不闪烁。 倒车时，红灯灭 系上安全带，红灯灭-UML-based control system modeling of vehicle seat belt tips. Design requirements: If you do not wear se