用KEIL开发的操作C51单片机的IO口，使得完成对IO口的读写等操作...

基于５１单片机的乘法运算程序-SCM multiplication procedure

CC2420+PA 一个CC2420加PA的PCB板图，载频是2.4G-CC2420+ PA a CC2420 plus PA

关于51单片机控制595驱动的数码管程序，编译过，可直接使用，有HEX文件-51 single-chip 595 on control-driven digital control procedures, the compiler, and can be used directly, there are HEX file

不带汉字库的12864液晶程序，经过修改，可显示16*16汉字，8*8字符串，经过调试，可放心使用-without the LCD procedures 12864, as amended, will show that 16* 16 Chinese characters, 8* 8 strings, after debugging, can be assured use!

本代码基于凌阳SPCE061A芯片，实现单段录音功能，并可重复播放所录语音。-Based on this code SPCE061A Sunplus chip, to achieve single-stage sound recording function, and repeat playback recorded voice.

此源码利用单片机实现智能信号发生器，借鉴借鉴。-use of this source SCM intelligent signal generator, use reference.

89c51的iic 读写的程序-89C51 to read and write procedures for the IIC

8051 在 Lenov03473292 虚拟串口的通讯 protuns-8051 in Lenov03473292 virtual serial port communications protuns

一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

常用PIC系列单片机速查表，有PIC的C系列，F系列以及HV系列等等,-PIC MCU速查表commonly used, have PIC C-Series, F Series and the HV series, etc.