i8259

主要反映了LCD液晶显示器的一些显示原理以及它的一些参数问题 (Mainly reflects the LCD monitor display principle and some parameters of the problem)

dmx with attiny2313 controller

Mifare源程序对于开发研究的人员有很大的帮助(Mifare source )

AT702三相电采集芯片，采用STC12C5A60S2控制，能准确测量出三相电的有功功率无功功率，电压电流等所有电参数。(AT702 three-phase power acquisition chip, using STC12C5A60S2 control, can accurately measure the three-phase power active power, reactive power, voltage and current and all other electrical parameters.)

红外的收发测试。。通过2路红外发射，顺序接收，检测收发功能是否正常(Infrared transceiver test. . 2-way infrared transmitter, received out of sequence detection transceiver function is normal)

说明：  单片机 LCD12864显示演示程序(Singlechip LCD12864 show demo)

msp430f5529使用OLED显示内部AD值(MSp430f5529 Displays Internal AD Value with OLED)

51单片机电子钟，模块化编程，利用单片机开发板实现电子钟功能，(Electronic clock)

51和迪文串口屏通信C语言源码，温度采集显示，可以进行移植，很友好，很详细，附带的例程帮助很大(51 and Devon serial port communication C language source code, temperature acquisition display, you can transplant, very friendly, very detailed, with the help of a large routine.)

51单片机的音乐播放例程，驱动蜂鸣器，包含8首音乐的源码，很难得的啊(51 Singlechip music player routines, buzzer driver, including eight music source, it is difficult to get ah)