汇编程序，包括：交通灯控制系统、温度测控系统的设计、电子音乐播放器、键盘电子乐器、电子时钟设计、可任意启动/停止的电子秒表设计-Compilation of procedures, including: traffic light control system, temperature measurement and control system design, electronic music players, electronic musical keyboard, electronic c