此为基于PT2272的无线接受程序，经过实验,可行.

一个简单的时钟开发程序,显示时,分,秒!!! 可以接上数码管再加上简单的转换就可以制作为简单的电子表-Clock to develop a simple procedure, show hours, minutes and seconds!!! Can be connected to digital tube coupled with a simple conversion can create a simple e-form

适用于51单片机的万年历算法.rar-applied to the MCU 51 calendar algorithm. Rar

与MP3播放功能FOSS一起使用的控制器

*PC和ATMEGA128通信，ATMEGA以轮循方式发送，中断方式接受*-* PC and ATmega128 communications, ATMEGA sent to Round Robin, interrupted to receive*

基于AT89C52的单片机4X4键盘原理图，可用于小系统板-Based on AT89C52 microcontroller 4X4 keyboard schematics, can be used for a small system board

经典的电子数码时钟程序，拥有最简单的外围（共阳数码管），且时间误差极小！-Classic digital clock procedures, have the most simple and the external (total yang digital tube), and the time a very small error!

通过单片机对HT9170进行控制，实现对音频信号的解码。-Through the single-chip microcomputer to control HT9170, realize decoding of audio signals.

PCB钻孔资料 PCB设计重要参考资料-PCB borehole data important reference PCB Design

PIC 16F7x 数据表 参考-PIC 16F7x Datasheet for programmer

关于51单片机控制595驱动的数码管程序，编译过，可直接使用，有HEX文件-51 single-chip 595 on control-driven digital control procedures, the compiler, and can be used directly, there are HEX file