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keil uVision3编译环境，51程序。-keil uVision3 build environment, 51 program.

C51源代码，驱动74164》，这个程序太简单了，不过省得大家自己写了-C51 source code, drive 74164

MSP430f2274单片机的ds08b20程序，实现4位小数显示，精确到0.0625度^-MSP430f2274 SCM ds08b20 procedures, to achieve four decimal display, accurate to 0.0625 degrees ^

winavr开发环境下的一段pwm测试程序，可精确控制led的亮度。-winavr development environment section pwm test procedure can accurately control the led brightness.

128×64点阵LCD模块例程，供需要的人参考-128 × 64 dot-matrix LCD module routines for those who need it for reference

用凌阳单片机控制显示电压步进，增减，并输出模拟电压

步进电机加减速运行程序 步进电机启动时，转速由慢到快逐步加速 步进电机匀速运行 步进电机由快到慢逐步减速到停止-Stepper motor stepper motor deceleration run the program starts, the speed gradually from slow to fast speed stepper motor stepper motor run by a uniform approaching slowly and gradually slow down to stop

Avr_atmel_小型OS，编译通过。-Avr_atmel_ small OS, compiler through.

RTL8139 Series PCB Layout Guide

STK500_2下载器 M8 支持bootloader(带bootloader源码) 使用STK500_2 协议的ISP下载器，监控芯片 M8,数据通讯RS232.使用 ATMEL AVRStudio 4.xx STK500工具的进行软件升级。可通过ATMEL AVRStudio 4.xx STK500工具升级固件程序。升级方法：通过设定电压 即按“write voltage”按钮进入bootloader程序。 -M8 browser support STK500_2 download bootloader (with bootloader source code) to use the ISP to download STK500_2 agreements, and monitor chip M8, data communication RS232. Use ATMEL AVRStudio 4.xx STK500 tool for software upgrades. By ATMEL AVRStudio 4.xx STK500 firmware upgrade tool. Upgrade methods: by setting the voltage that is, according to