gccavr环境下的测试程序，可供参考。最新版的winavr编译。

51系列单片机实验课程：按键显示程序 （在数字键上按数字，在液晶显示器上显示）-51 Series single-chip experimental curriculum: key display program (in the figure by the number keys on the LCD display)

protelDXP汉化软件，通过该软件你可以汉化你的dxp，较为好用。-protelDXP Speaking of software, through the localization of your software, you can dxp, relatively easy to use.

ARMlpc2300技术笔记上册例程I2C读写FM24cl04-ARMlpc2300 technical notes on the book to read and write I2C routines FM24cl04

51单片机模拟串口SPI方式接收和发送数据-51 single-chip analog SPI serial receive and send data

节能充电器-Energy-saving charger

一个警报声程序 　　　　　　　　　　　　　　　　　 一个警报声程序-an alarm sounded a siren procedures procedures

pic16f877实现spi功能和isd1790语音芯片的通信-pic16f877realise spi function和isd1790sound chip comunitions

此模块是我在以前公司做热风枪项目时设计的一个模块，用于实时显示当前温度，其精度可以达到1摄氏度，三位半液晶显示，界面美观，稍作改动也可用段码LED作为显示。 程序功能：10位A/D的温度采集（热电偶）；TN段码液晶驱动；温度补偿； 文件包括：所有C源程序；完整的项目文件包（基于MCU：HT46R23） PCB HT46R23 DATASHEET 三位半液晶片DATASHEET-This module is in my hot air gun to do before the company projects a module designed for real-time displays the current temperature, its accuracy can reach 1 degree Celsius, three semi-liquid crystal display, interface aesthetics, make a minor amendment to paragraph can also be used as a code LED display . Program features: 10-bit A/D Acquisition temperature (thermocouple) TN LCD driver code segment temperature compensation documents include: All C source code complete package of project documents (based on the MCU: HT46R23) PCB HT46R23 DATASHEET 3 semi-liquid crystal film DATASHEET

单片机串口通信的简单例程，供需要的人参考-A simple microcontroller serial communication routines for those who need it for reference

很好的AT89C51的中文说明书 费了很大劲才找到的-AT89C51 good Chinese manual costs a lot劲才found