4* 4 key scan control LED display

61单片机的i2c程序包，这个本人用过可以使用的-61 microcontroller i2c package, which I used can be used

一些常用的c51源码，编程时可以参考。-some frequently used source decoder, the reference can be programmed.

pid控制例程,演示一钟摆运行情况,可方便移植到其它应用-pid control routines, a demonstration run of the pendulum may be convenient to other applications transplant

CC2500与MSP430F2274的发送与接收例程-CC2500 with MSP430F2274 the send and receive routines

320*240液晶 用SEED1335控制的驱动-320* 240 LCD driver control with SEED1335

PS7219单片机显示的源程序-PS7219 show the source SCM

本文以51单片机为例介绍如何扩展USB接口进行对U盘的读写，并详细介绍FAT16、FAT32文件系统的细节以及如何编码实现单片机对文件系统的常用操作，顺带提到一点关于U盘兼容性问题的解决经验。在这里单片机是host，U盘是slave。-In this paper, single-chip microcomputer 51 as an example on how to expand the USB interface on the U disk read and write, and details on FAT16, FAT32 file system and how to encode the details of the realization of single-chip microcomputer used for file system operations, mentioned in passing that on U disk experience compatibility problems. Here is a single-chip host, U disk is a slave.

模拟温度监控，并保存为结果文件，超过限定温度，系统自动报警-Analog temperature monitoring, and save it as the outcome document, over limited temperature, automatic alarm system

KeilC51V8.05中文版,带注册机,无2K代码限制,无时间限制,是单片机开发最好的工具之一.-KeilC51V8.05 Chinese version, with Zhuceji, 2K code without restrictions, no time limits, is to develop single-chip, one of the best tools.

C51的45D驱动程序-C51 45D Driver