PTR8000的一个调试程序，功能还可以。

时钟日历芯片PCF8584的C51源程序，转载自于磁动力电子网-calendar clock chip PCF8584 source of C51, reproduced from the magnetic force on electronic network

台湾义统MCU例程-Taiwan MCU routines

通过8255查询键值，显示不同的数字。k1显示1，K2显示2，K1和K2显示3,如此类推。最多能显示7。-8,255 inquiries through the keys, show different figures. K1 shows a, K2 showed 2, K1 and K2 showed three, and so forth. The most that can be shown 7.

以C8051F020单片机做的多功能计数器，2008山东大学生电子大赛题目。可以实现频率、周期、时间间隔等测量，可以LCD显示、语音报告结果，并能测试温度、显示时间（DS1302）。-C8051F020 single chip microcomputer to do multi-function counter, 2008 e-Competition topic Shandong college students. Can achieve frequency, cycle, time interval measurement can be LCD display, voice report on the results, and test temperature, indicating the time (DS1302).

AT89C2051驱动步进电机的电路和源码, 源码为C语言.-AT89C2051 stepper motor drive circuits and source code, source code for the C language.

这一个调节PWM占空比输出程序,EM78P458应用,已通过调试-a PWM duty cycle output procedures EM78P458 applications through debugging

自己编写的凌阳SPCA61A与SPCA563A图象识别模块连接驱动程序，带有4*8液晶显示驱动程序，开发环境unSP IDE 2-themselves prepared and Sunplus SPCA61A SPCA563A Image Recognition Module Link driver,* 8 with four LCD driver, development environment IDE 2.0.0 unSP

常用pcb库文件，方便进行电路开发，protel99格式的-Pcb library file used to facilitate the development circuit, protel99 format

单片机在红外测温上的开发应用.对于正在开发红外测温的工程师有一定帮助-SCM in the development and application of infrared thermometry. For the infrared temperature measurement are being developed to some extent help the engineers

ppt格式的，arm7的一个讲座的一部分，对设计lcd非常有用-ppt format, arm7 of a lecture as part of the design is very useful lcd