arm7 lpc2132 GPIO driver for beep

cpu采用扫描方式进行按键查询，按键扫描程序-cpu manner by scanning button inquiries button scanner

ATMEGA128的PCF8536驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the PCF8536 driver to prepare for their comrades-driven port of great help!

华虹TYPEA射频芯片1507的控制程序，完成TYPEA协议中各指令操作。-Huahong TYPEA RF chip 1507 of the control procedures, the completion of the agreement TYPEA operation of the Directive.

本文档详细的介绍了51单片机的程序设计方法-this document detailed account of the 51 Microcomputer Program Design

430学习书籍,好东西,希望大家下载-430 learning books, good things, I hope everyone downloads

T9 Text Input You can use this source code for input T9 Text Input(English)

键盘可以直接接在单片机上，实现标准pc键盘的使用-Keyboard can be directly connected to the single-chip microcomputer, the realization of the use of standard pc keyboard

这是一个旋转传感器的资料。通过可以设计remote mouse for computer.-this is a cell which can detect the whirl.

单片机c语言开发实例 包括很多实例，希望能在这里找到有用的东西！-SCM c language examples include many examples here in the hope of finding useful things!

对电网参数的测量程序，可测量多个参数，包括LED显示和键盘中断程序-network parameters on the measurement procedures, a number of measurable parameters, including LED display and keyboard interrupt procedures