基于SHT71数字温湿度传感器的采集实现，89c51

AVR 单片机C语言开发实例。如有需要，请购买原版。2003年出版。-AVR_MCU_C_programs_projects_samples.

IC卡读写程序（ASM）及其测试顺序（PC端）

基于51单片机的发声程序，初学者简单应用-51 MCU-based voice process, beginners a simple application

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.

波形发生器的源程序，能产生方波、三角波、和矩形波三种波形-The source waveform generator, which can produce square, triangle wave, and rectangular-wave three kinds of waveforms

单片机C8051F040与MAX5322（D/A芯片）的应用程序-C8051F040，MAX5322

EEPROM读写程序: 先向EEPROM写入一幅图片数据，然后从EEPROM中读取，并在128*64显示屏显示出来。-EEPROM read and write procedures: first EEPROM write a piece of picture data, and then read from EEPROM, and 128* 64 screen is displayed.

485通信在工业控制及管理系统中应用非常广泛，但485总线的相关资料教材上说明的却非常泛泛，这些资料对485通讯做了详细介绍，并有应用案列，相信对朋友们很实用-485 Communication in industrial control and management system is widely used, but the 485 bus information materials on the description is very general, such information on the 485 made a detailed presentation and have applied the case of columns, I believe that friends are very practical for

用51驱动T6963(240*64DOTS)液晶模块-51 driven by T6963 (240* 64DOTS) LCD Module

arm的BCD转HEX，HEX转BCD的汇编程序-arm of the BCD switch HEX, HEX BCD to the compilation process