超声波测距,包括有pcb原理图，用c写的程序，还有详细的说明

51单片机实用子程序库-51 SCM practical subroutine library

usr lpc2148 develop usb hid

摩托罗拉手机A890广告演示，一个简单的演示动画，适合新手初学者入门学习。-Motorola A890 mobile phone ads demonstration, a simple demonstration of animation, suitable for novice beginners learning portal.

isd4004语音,我实验过,成功,欢迎下载!-isd4004 voice, my experiments have been successful, welcome to download!

S3C44B0X 是常用的一款基于ARM7TDMI 内核的RISC 处理器，这是它的LCD公测程序-S3C44B0X is one of the commonly used kernel based on the ARM7TDMI RISC processor, This is its LCD Gongce procedures

msp430与NRF24L01通信例程 相对很完整-msp430 and nrf24L01

基于单片机的8路抢答器 原理图 源码全部都有-Based on single-chip 8 Rd Answer schematic source browser, all of the above

通过串口，接收上位机发送的命令，并进行CSI24WC02的读写操作，并返回相应 数据或应答。用汇编实现,可以用keil编译器-through the serial port, the receiving PC to send orders, and CSI24WC02 read and write operations, and return to the corresponding data or response. Assemble realized, can be used Keil compiler

单片机C51语言的Mini X 嵌入式操作系统-C51 microcontroller Mini embedded OS X