This is a very good key scan circuit and display control programs and

easyarm1138用c语言开发的2401无线接收程序-easyarm1138 c 2401 receive

一个时时单片机发送数据测试代码-a microcontroller always send data test code

* 功能：运行WDT，并控制数码管D1显示输出。程序开始先对数码管D1全闪烁控制，并进行喂 * 狗处理；然后显示 - ，并进入死循环，等待WDT复位。-* Function: Run WDT, and control D1 digital tube display. The beginning of the proceedings of the first all-digital pipe D1 flicker control, and deal with dog-feeding* then display- and to enter the infinite loop, waiting for WDT reset.

凌阳单片机的语音程序3，供学习凌阳单片机的学习者参考-Sunplus voice SCM three procedures for learning Sunplus SCM reference learners

profibus TO RS485 profibus TO RS485

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,

键盘示意图键盘示意图

各种不同时间段的延时程序，都是用汇编语言编写的。-Different time delay procedures are prepared to use assembly language.

单片机接口扩展的例子-microcontroller interface expansion examples