这个程序可以使用fpga上的晶振，用于测试晶振得使用

X25045为看门狗专用芯片，很常用，也很实用，尤其对小系统非常值-X25045 to watchdog ASIC, very commonly used, is also very practical, especially for very small values system

一个单片机上的sd卡驱动程序，支持fat32，fat16等文件系统，很有参考价值。-A microcontroller on the sd card driver and support fat32, fat16 file system, etc., of great reference value.

电子条屏程序，可以实现滚动文字的显示，可以使单片机初学者掌握LED条屏的开发，希望对大家有用。-Article E-screen procedures, can be achieved scrolling text display that allows beginners to master single-chip LED screen be developed, in the hope that useful to everyone.

很小很弱的51单片机的四字节BCD码转换程序不过很多课堂练习可以参考-very weak 51 SCM four byte BCD conversion but many can refer to classroom exercises

多通道AD转换演示程序 MCU:MEGA8 晶振:内部RC(INT) 8MHZ -Multi-channel AD converter demo MCU: MEGA8 Oscillator: Internal RC (INT) 8MHZ

AT89C2051驱动彩显玩方块游戏，又是一款有趣的小制作，希望大家喜欢！-Color AT89C2051-driven game play box is also interesting to note a small production, I hope you like!

非常之经典的MCS51程序,非常适合初学者-very classic MCS51 procedures, very suitable for beginners

avr单片机中TWI主机发送和主机接收程序代码

U disk and Mp3 Driver Program

zlg7290 i2c 演示程序； 演示周立功7290芯片的功能-zlg7290 i2c Demonstration Program; Zhou, who demonstrated the functions of 7,290 chips