LIN协议的实现。用状态机实现。baudrate可调整，只能做slave。

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

winavr开发环境下的一段pwm测试程序，可精确控制led的亮度。-winavr development environment section pwm test procedure can accurately control the led brightness.

多功能广告牌，12864液晶显示，首行滚动显示广告语，按键选择广告，预存5条广告，18B20检测温度显示，DS1302万年历显示，可调时间，具有掉电保护，串口向PC机实时传送温度、时间信息-Multi billboards, 12864 liquid crystal display, the first-line scrolling display advertising language, button select advertising, stored five advertisement, 18B20 test temperature display, DS1302 calendar display, adjustable time, with a brown-out protection, serial port to the PC, real-time delivery temperature, time information

1．熟悉硬件仿真工具KD30的使用。 2．修改样本程序 SAMP1a，使无论在计数或停止计数时，按 SW3 均对计数值清零，并停止计数。 3．编制一个秒表程序, 测试精度为0.1秒，按 SW1键启动计数，再按一次 SW1键停止计数。任何时候按 SW3 键停止计数，并对计数值清零。 4．按 SW1键后， 以 0.1 秒为单位开始计数，再按一次 SW1 键停止计数。若按 SW1 键时间超过2秒，则计数值清零，回到初始状态。-1. Familiar with the hardware simulation tool KD30 use. 2. Revised procedures SAMP1a samples, regardless of the count or counts at the end, according to SW3 numerical terms were right, reset, and stop counting. 3. Preparation of a stopwatch procedures, testing accuracy of 0.1 seconds, according to bond SW1 start counting, according to a key SW1 stopped counting. By SW3 any time to stop counting bond and reset the count. 4. By SW1 bond, after 0.1 seconds for start counting, according to a key SW1 stopped counting. If SW1 keys by the time more than two seconds, then reset the count and return to the initial state.

51单片机程序，请大家试一下，请多提宝贵意见-51 SCM procedures, please try everyone, please mention the valuable advice

BH1415F调频台控制C程序。使用AT89C52单片机，12MHZ晶振，用共阳四位LED数码管。频率数据转换为显示用BCD码函数。-C FM BH1415F control procedures. AT89C52 single-chip microcomputer use, 12MHZ crystal, with a total of four LED digital tube Yang. Frequency data into a display function using BCD code.

,c51 是经典的单片机，简单，精通51单片机，在学习其他的单片机 很易上手 -, c51 is the classic single-chip, simple, fluent in 51 single-chip, single-chip microcomputer in the learning of other very易上手

单片机与PS2键盘相连的应用，可以分大小写输入，通过1602液晶将字符显示出来-SCM and PS2 keyboard connected applications, can be divided into upper and lower case input, through the 1602 LCD will be displayed characters

美国达拉斯高精度温度传感器DS18B20的序列号读取程序。-Dallas Precision Temperature Sensor serial number reader.

c8051f单片机的实例，有中文注解，书籍光盘-SCM c8051f example, have Chinese notes, books, CD-ROM