收音模块TEA5767模块驱动程序及测试程序。

PCF8563 的驱动程序，用两个普通的IO口模拟I2C总线，包括100KHZ（T=10US）的标准模式选择和400KHZ的快速模式选择，默认11.0592MHZ的晶振-PCF8563 of the driver, with two ordinary analog IO I2C bus, including the extremely low distortion (T = 10US), the standard model selection and 400KHZ fast mode selection, the crystal default 11.0592MHZ

磁条卡读取代码，使用M2200进行开发的。 稳定，已经经过测试-Magnetic stripe card reader code, the use of the M2200 developed. Stability, has been tested

arm lpc2132 driver for GPIO_Led1

51单片机“心形”音乐电子贺卡源码，挺好使，可做成品生产-51 Single-chip

MagicARM2410 实验箱使用说明书. -Manual MagicARM2410 experimental box.

这是我用C语言写的一个数字钟，他可以实现多种闹钟和秒表功能-This is because I use C language written in a digital clock, he can achieve a variety of alarm and stopwatch functions, etc.

10位DA转换器Max5354驱动程序下载（Keil C51）-10 DA converter Max5354 Driver Download (Keil C51)

89C51单片机精确定时详解-89C51 Elaborates on precision timing

硬盘作MP3,用IDE接口的旧硬盘,加入51系列的单片机和显示屏,可以作一个有个性的MP3,-Hard drive for MP3, using the old IDE interface hard drives, adding 51 series of single-chip computer and display, can be used as a personality MP3,

MEGA16 串口收发数据，采用中断方式，给大家一个参考-MEGA16 serial send and receive data, using interrupt mode, give you a reference