单片机常用的AD后滤波算法，供参考。

pic18f4550 pwm pid regulator

MSP430 149的4×4键盘扫描程序（中断方式），以及JM12864M的液晶驱动程序，谢谢指教-MSP430 149 of 4 × 4 keyboard scan program (interrupt mode), as well as LCD driver JM12864M Thank you advice

8051微控制器上的 DES encryption/decryption used in IC smart cards. Software hasn t been validated and lacks in-line documentation.-8051 Microcontrollers on the DES encryption/decryption us ed in IC smart cards. Software hasn t been valida ted and lacks in-line documentation.

以C8051F020单片机做的多功能计数器，2008山东大学生电子大赛题目。可以实现频率、周期、时间间隔等测量，可以LCD显示、语音报告结果，并能测试温度、显示时间（DS1302）。-C8051F020 single chip microcomputer to do multi-function counter, 2008 e-Competition topic Shandong college students. Can achieve frequency, cycle, time interval measurement can be LCD display, voice report on the results, and test temperature, indicating the time (DS1302).

51单片机的IIC总线先测试程序，C语言编写，很实用的！-51 MCU IIC bus test procedures, C language, it is useful!

c8051f020单片机串行通信口UART0使用-C8051F020 single-chip serial communication port UART0 to use

基于8051单片机的模拟PS/2键盘的驱动程序，使用keil c51编译。-based on the simulation of 8051 PS/2 keyboard-driven procedures, the use of c51 Keil compiler.

读招行，建行，工行类磁卡信息 可以正反刷卡源程序-Reading Merchants Bank, China Construction Bank, ICBC type of magnetic card information can be both positive and negative source

这段程序是用在一款七彩灯红外遥控解码程序里,单片机使用PIC12F629,软件模拟三路PWM输出驱动红绿蓝LED分八组共24个LED,实现单LED渐明渐暗,两LED一明一暗,七彩等九种花样.有断电记忆功能.如下是解码程序.-This procedure is used in a colorful light infrared remote control decoding procedure, the single-chip using the PIC12F629, the software simulation of three-way PWM RGB LED output driver in eight groups of 24 LED, single LED gradually dimming out, First one out of two LED dark, colorful patterns, such as nine. have power memory function. decoding procedure is as follows.

t6963c液晶驱动240128,只有部分功能模块,仅供参考-t6963c LCD driver 240,128, only some of the functional module, for reference only