AT89C2051 vacuum source for timing controller

基于51系列单片机的一个移位显示矩阵键盘源码-51 Series single-chip based on a matrix keyboard Shift show source

基于超声波的测距仪（包括原理图，程序源码与相关调试说明，以及一些参考资料，总之，开发超声波测距仪的一整套资料）-Based on Ultrasonic Range Finder (including schematics, source code and related procedures for debugging instructions, and some reference materials, in short, develop a set of ultrasonic range finder data)

串行DA，MAX549PDF及汇编原程序，测试成功。51控制。-serial DA, and the compilation of the original MAX549PDF procedure, tested successfully. 51 control.

ICD的测试程序，可以用于演示ICDDEMO板。-ICD testing procedures can be used to demonstrate ICDDEMO plate.

亲测：基于51单片机的八路抢答器，与其他同类源码比，功能强大，有查询，设置，抢答，答题等所有实用功能。-Pro-test: Based on 51 single-chip eight-way of the Answer, and with other source than the powerful, a query, settings, Answer, answer all practical function.

CC2420+PA 一个CC2420加PA的PCB板图，载频是2.4G-CC2420+ PA a CC2420 plus PA

利用带AD的单片机开发的单片机程序，能够进行ad，程序调试通过，结果发送到电脑上，通过串口-AD use with single-chip microcontroller development process, to carry out ad, program debugging through, the result is sent to the computer through the serial port

编译为ICC AVR6.25A ATMEGA16L芯片 MAX7219驱动八位数码管显示-Compiled for the ICC AVR6.25A ATMEGA16L chip MAX7219 LED display driver 8

单片机系统中的红外通信接口-SCM system of infrared communication interface

数码管显示秒表(汇编),用动态扫描的方式进行显示，减少IO口-Digital display stopwatch (compilation), with dynamic scan showed that the way to reduce the IO I