我做的超声波测距程序，基于at的8位单片机的，用c语言编写的。...

用61位单片机与C程序实现语音复读功能！-With 61 single-chip microcomputer with C program features voice repetition!

20ma的电流环通信回路仍应用于一些远程通信的场合，本文为其实现过程。-20ma current loop

单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。installstep- Monolithic integrated circuit AT90S series manufacture simple USB connection (software simulation, non- usb hardware). Installstep

高速数字电路设计及EMC设计，越来越得到大家的重视，如何解决高速数字电路设计及EMC之间的矛盾呢，希望这这能帮助大家。吐血推荐下载。- The high speed figure circuit design and the EMC design, more and more obtains everybody the value, how solves between the high speed figure circuit design and the EMC contradiction, hoped this this can help everybody. Spits blood recommendation downloading.

LED驱动，简单通俗，易懂对初学者来说比较合适-LED driver, a simple pop and easy to understand and more suitable for beginners

单串口8051内核单片机模拟双串口程序源代码-8051 single-core single-chip serial analog dual serial source code

单片机控制I2C高频头！！能自动搜台，可红个遥控-Single-chip tuner I2C control! ! Can automatically search and Taiwan can be a red remote control

关于U盘的读写程序,包括支持FAT12/FAT16/FAT32-On the U disk read and write procedures, including support FAT12/FAT16/FAT32

基于单片机的函数信号发生器. 51单片机，双0832-based SCM function signal generator. 51 microprocessor, double 0832

C51编写的用ＩＯ脚模拟串口的源程序,供初学者参考-C51 prepared by serial IO pin analog source, the reference for beginners