C8051F020单片机的AD测试程序，很好的哦！直接移植便可啦！

电子脑中、、闹钟源程序，可以实现用单片机开启的电子闹钟功能，万年历电子脑中、、闹钟源程序，可以实现用单片机开启的电子闹钟功能，万年历-Electronic brain, clock source, you can open a single-chip implementation with electronic alarm clock function, the brain electron calendar, alarm clock source, you can open a single-chip implementation with electronic alarm clock function, calendar

新手关于单片机的-newcomers on the MCU

usb-串 口 转 换pcb板 图,pcb格式-usb-serial conversion pcb map, pcb format

使用IA4421模块来进行无线收发，单片机连接。分别收发-IA4421 module using a wireless transceiver, microcontroller. Sending and receiving, respectively

3线双向零等待IO通讯机制 单片机通讯源代码带说明-3 bidirectional zero waited for the IO communication machine-made monolithic integrated circuit communication source code belt explained

* 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.

在51等单片机中使用PC键盘的源码-in 51 other microprocessor using a PC keyboard FOSS

一个随机抽题程序 可以用来做演示用 还包括了定时器-Title of a random draw process can be used to make presentation also includes a timer with

利用HD66421实现灰度字符显示，keilC51编译环境-HD66421 realize the use of gray-scale character show, keilC51 compiler environment

通过AD0809将输入的模拟量转化为数字量， 通过调节电位器来改变模拟电压输入，通过数码管显示电压的变化-Through the AD0809 analog input into digital, By adjusting the potentiometer to change the analog voltage input, digital display voltage changes