数码管的显示操作，同时也有按键操作程序，通过单片机控制可以直接进行显示

单片机KeilC学习例程，不需要数点基础，可以掌握C51的使用-Microcontroller KeilC learning routines, no basis for a number of points, you can master the use of C51

基于MSP430F13X系列16位单片机，实现的软件IO方式模拟I2C协议的C源码，已编译通过，并经过实际测试。希望对各位做嵌入式开发的朋友有所帮助。-based MCU Series 16 microcontroller, Implementation of the software IO simulate I2C agreement C source code, compiled through, and after the actual test. Do you want to develop embedded friends help.

本代码为本人在做一个项目时写的MSP430单片机读写FLASH芯片45DB041的源程序，包括基本通信函数，初始化函数，模式设置函数，整块FLASH读写，字节读写等多个函数。-The code for doing a project I am writing to read and write FLASH chip MSP430 single chip 45DB041 the source, including the basic communication function, initialization function, function mode is set, FLASH block read and write, byte read and write and so on a function.

8051 microcontroller project to display on lcd

pid控制例程,演示一钟摆运行情况,可方便移植到其它应用-pid control routines, a demonstration run of the pendulum may be convenient to other applications transplant

主要功能：利用AT89C/S51作为控制器，JM12864M型号的lcd作为人机界面，18B20温度传感器和DS12887时钟芯片为辅助IC的可调万年历系统。此万年历可以形象的表现出系统当前的状况，并能随意设置闹铃和时间，具有保存和不保存的当前设置的功能。-Main functions: the use of AT89C/S51 as a controller, JM12864M models of lcd as a man-machine interface, 18B20 temperature sensors and DS12887 Clock IC chip for auxiliary adjustable calendar system. This calendar can show the image of the system

arm(44b0)端口初始化,在程序里面有较多的注释部分, 在具体情况下可用-arm (44b0) port initialization, the procedure has more notes inside part can be used in specific circumstances

1.电子琴功能 用实验板上K1~K7作为电子琴的7个按键，每个按键对应一个音符要求当按下其中一个按键，就通过P2.5口输出对应频率信号使蜂鸣器发出特定音符声音。 2.乐曲演奏 若按下K8键，完成自动弹奏“送别”歌曲。 -1. Organ function of the experimental board K1 ~ K7 as the organ of the seven buttons, each button corresponds to a note of which require that when the press of a button, on the adoption of P2.5 port output frequency signal corresponding to a specific note to the buzzer sounds . 2. Music playing, if pressed K8 button to complete the auto-play " Farewell" songs.

汽车通讯控制程序，用红外线控制，发射接收程序均有，汽车状态包括左转，右转，刹车，前车左转，后车超车等-automotive communications control procedures, using infrared control, launch procedures have received, including the state of vehicle turn left, turn right, brake, the first car left, after overtaking other vehicles

LED段码计算工具，增加了方便的功能 NEW-LED terms of the Code, to increase the convenience function NEW