基于单片机的USB通信程序，包括完整的通信协议

DAC7611，12位串口DA驱动程序，只需将代码中的四个端口按自己的电路修改就可以使用。-DAC7611, 12 bit serial DA driver, just the code of the four ports in accordance with their own modifications on the circuit can be used.

键盘扫描程序，逐行拉低，错位相交的方法实现-Keyboard scanner, progressive degrade realize dislocation intersect method

单片机 AT89C52 的中文资料 适合新手 学习！重要基础单片机资料-SCM AT89C52" s Chinese data suitable for novice to learn! An important foundation for SCM information

这是原创的基于PIC16F877A单片机的读SD卡文件系统程序源代码-This is the original PIC16F877A microcontroller-based SD card file system read source code

Atmel单片机的原理图啊，需要的快下 啊，免费的，别人的-Atmel MCU Schematic ah, ah, under the need for fast, free, and others

LM24064D液晶显示屏.-LM24064D LCD display.

8051+24c01电话

交通灯控制系统，可灵活设置多路时间-Traffic light control system, can be flexibly set up multi-channel time

一个我刚工作时用Ｃ语言编写的单片机数据采集卡的代码-one I just work with C language of SCM data acquisition card code

用C语言写的HT1621的驱动程序，非常好的实例。-C language to write the HT1621 the driver, a very good example.