timer2

基于keil 51的LCD12864驱动开发程序，工程文件已建好，可以直接使用(Based keil 51 of LCD12864 driver development program, project files have been built, can be used directly)

合泰单片机，大学生单片机竞赛组委会提供的，必须使用该单片机开发的作品才能评选(holtek mcu )

能从SD卡读取MP3文件，并且识别后通过LD3320播放MP3，具体使用只需新建一个.ini系统文件存在sd卡，在里面设置好关键词并且所需播放的MP3文件即可(Read MP3 files from the SD card through the LD3320 play MP3 and identify specific use simply create a new the ini system files sd card exists inside set keywords and required to play MP3 files can)

温湿度检测 AM32101温湿度传感器 可以检测(Temperature and humidity sensor temperature and humidity testing AM32101)

AB PLC通信sdk以及CIP协议规范(AB PLC communication SDK and CIP protocol specification )

STM32 4路AD+5110显示 ( )

串行da模块的应用，和单片机通信，通过单片机控制da模块(Serial da module application, and single-chip communication, via da MCU control module)

交通灯，使用定时中断来进行时间的加减，使用数码管进行显示，能够显示东西南北的红绿灯时间和灯的情况(Traffic lights, use the timer interrupt to the time of addition and subtraction, using digital tube display, it will show what traffic lights north and south of the circumstances of time and light)

PLC与51单片机通讯示例程序(单片机程序)(PLC and 51 single-chip communication sample programs (MCU program))

绿灯亮时，准许车辆通行，黄灯闪烁时，已越过停止线的车辆可以继续通行；没有通过的应该减速慢行到停车线前停止并等待，红灯亮时，禁止车辆通行。给行人看的叫人行横道灯，通常指由红、绿（绿为蓝绿）二种颜色灯组成用来指挥交通通行的信号灯，红灯停，绿灯行。(When the green light is on, the vehicle is allowed to pass. When the yellow light is flashing, the vehicles that have crossed the stop line can continue to pass.You should slow down to stop and wait at the stop line. No traffic is allowed when the red light is on.Pedestrian crossing lights for pedestrians, usually denoted by red, green (green, blue, green), two color lamps used to direct traffic signals, stop at red lights and green.)