Produced by using the vs1003 chip mp3 player.

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

利用51单片机对u盘进行读写操作，其中用到的usb芯片是sl811master。-use 51 to u-SCM write, which to use the USB chip is sl811master.

LM3S8962 通过SSI方式读取 AT45DB161D 程序，已经调试通过。-LM3S8962 read AT45DB161D way through the SSI program has debug through.

介绍了使用CS5520进行mV信号采集的源程序-Introduced mV signal acquisition using the CS5520 to the source

如何用单片机实现FSK来电显示解码-how MCU FSK CND decoder

这里有11个用ICCAVR开发的源代码,经DEMO板调试后已经通过.-here with a 11 ICCAVR development of the source code, DEMO plate after debugging has been passed.

24mhz晶振51单片机红外线发射代码，供您参考-24MHz crystal oscillator 51 Singlechip fired infrared codes, for your reference

这是北京福星晓程公司的PL3105电力载波通信程序，在KEIL环境下开发。用于电力载波通信的应用，比如，电力载波抄表-This is the way Beijing

很不错的频率计的设计，希望大家多多指教-Cymometer very good design, I hope everyone exhibitions

氦浓度检测仪 氦浓度检测仪-Concentration of helium detector helium concentration detector