通过PIC单片机控制CC00通信，按某一个键在八段LED上显示相应的键值...

51的4*4键盘驱动当按键按下时返回一个值，且只在按下键时返回一次该值，之后返回0；无按键时返回0；包含消抖功能，在键盘的下降沿触发。 基于keil平台-51 4* 4 keyboard driver when the button is depressed to return a value, and press the button only once the value to return, followed by return 0 no keys to return 0 contains extinction Buffeting function, the falling edge trigger at the keyboard. Keil-based platform

本程序用于ATmega8不小心写错熔丝，而无法进行ISP下载时进行出厂设置恢复。接线请参考AVR单片机并行编程。-This procedure for ATmega8 fuse careless wrong, and can not be downloaded when ISP to restore the factory settings. Please refer to AVR single-chip wiring parallel programming.

头件的中的#ifndef，这是一个很关键的东西。比如你有两个C文件，这两个C文件都include了同一个头文件。而编译时，这两个C文件要一同编译成一个可运行文件，于是问题来了-The first pieces of# Ifndef, this is a very key things. For example, you have two C file, the two C files include the same file size. And compile-time, the two C files to compile together into a run file, then issue the

asm无参数调用c51-asm called with no arguments decoder

i2c 总线 at512读写程序，适用于8051系统单片机系统-i2c bus at512 literacy procedures applicable to the 8051 system SCM System

51方面的一些代码-51 some of the code

单片机　１６路无线防盗报警器　c语言的　用数码管显示-Single-chip 16-way wireless burglar alarm c language digital display

MSP单片机开发应用实例，适用于任何型号-MSP development and application of single-chip example, apply to any model

AVR单片机的MP3方案，解码芯片为VS1003-AVR MCU MP3 program, decoder chip for VS1003

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