这是一个4*4键盘程序,已通过串口检测,效果还不错，给需要的朋友的一个参考。-This is a 4* 4 keyboard procedures have been detected through the serial port, the effect is also true that to a friend in need a reference.

一个电子产品开发时的部分c代码E!绝对能用!-When an electronic product development part of c code E! Absolutely can!

飞行控制中的PID计算，当前应用与飞艇飞行控制，此段为偏角控制-Flight control of the PID calculation, the current application and airship flight control, control of this paragraph for the declination

一个基于时钟芯片1302的单片机时钟。使用伟福的仿真器编译通过，同时写入单片机后的硬件电路也好使。-1302 based on the clock chip microcontroller clock. Wei-fu of the use of the compiler through the emulator, at the same time to write after the single-chip hardware circuitry or so.

12864+ds1302 的万年历，LCD是带中文字库的，串行-12864+ Ds1302 the perpetual calendar, LCD is intended to bring the Chinese font, serial

mega8，100Hz波形发生，定时中断点亮LED-mega8, 100Hz waveform occurred regularly interrupted lit LED

7281头文件,配合LED进行显示操作!努力创新!-7281 files, with LED display operation! To innovation!

基于51单片机的串行口控制，ADC0809的AD采集及处理，实时时钟DS1302的运用-Based on 51 single-chip microcomputer to control the serial port, ADC0809 the AD acquisition and processing, the use of Real-Time Clock DS1302

///*** *** *** * //一、程序说明： //1, 24LC02器件地址是1010000R/W. //2, 数组写入24LC02采取页写方式. //3, 数组code从24LC02读出时采取自由读方式. //4, 采用4.00M晶体。 //5，采用软件I2C。 //二、硬件连接： //1， SDA------->23 pin.(当然你可以任意选择脚位） //2, SCL------->18 Pin.(当然你可以任意选择脚位） //3， PORTB----->数码管的段输出 //4， RD4，RD5，RC6，RC7------->数码管的位输出(数码管为共阴极） -///*******************// A description of the procedures:// 1, 24LC02 device address is 1010000R/W.// 2, write an array to take 24LC02 page write mode.// 3, the array read out the code from the 24LC02 to take a free read.// 4, using 4.00M crystal.// 5, using software I2C.// Second, the hardware to connect:// 1, SDA-------> 23 pin. (Of course, you can choose to pin)// 2, SCL-------> 18 Pin. (Of course You can choose pin)// 3, PORTB-----> digital tube output segment// 4, RD4, RD5, RC6, RC7-------> digital pipe-bit output (digital tube for a total of cathode)

X5045的AVR单片机读写全代码程序，保证好用-Single-chip X5045 to read and write the whole of the AVR program code, to ensure good