PL-51单片机学习板实例程序\实例程序\C语言\025-蜂鸣器演奏消防车的报警声音\喇叭演奏消防车的报警声音-PL-51 microcontroller board instance learning program \ instance procedure \ C language \ 025- fire alarm buzzer sounds playing \ fire alarm sound speaker play

单片机实例-电机控制，可以实现加速，减速，或者正反转-SCM instance- motor control, can achieve acceleration, deceleration, or Reversible

AVR单片机C语言程序设计实例精粹\光盘素材文件\第5章 交通灯控制系统\程序代码\-AVR Microcontroller C Programming Language instance essence \ CD-ROM material files \ Chapter 5 traffic light control system \ code \

自动报警系统，是结合单片机与VB界面，串口的一个应用实例，很好地学习通信应用-Automatic alarm system, is a combination of single chip computer and VB serial interface, an application example, a good learning communication application