实现一个基于8051单片机控制的4相步进电机系统 ，由单片机产生正确的驱动脉冲信号。...

upsd3300SPI程序代码,想用upsd3300做SPI接口应用的请下载-upsd3300SPI code, upsd3300 to do with SPI Interface Application Download

红外遥控接收 ORG 0000H LJMP START 转入主程序 ORG 0010H START: MAIN: JNB P2.2,IR LJMP MAIN 以下为进入P3.2脚外部中断子程序，也就是解码程序 IR: MOV R6,#9 SB: ACALL DELAY882 调用882微秒延时子程序 JB P2.2,EXIT 延时882微秒后判断P3.2脚是否出现高电平如果有就退出解码程序 DJNZ R6, SB 重复10次，目的是检测在8820微秒内如果出现高电-infrared remote control receiver ORG 0000H LJMP START into main program ORG 0010H START : MAIN : JNB P2.2, IR LJMP MAIN below to enter P3.2 foot external interrupt subroutine, which is decoding procedures IR : MOV R6, SB# 9 : Calling ACALL DELAY882 882 microsecond delay subroutine JB P2.2, EXIT 882 microsecond delay after the judgment whether there P3.2 feet to I quit if decoding procedures DJNZ R6, SB repeated 10 times, the purpose is to test if within 8,820 microsecond high

51系列单片机实验课程：时钟程序 （显示时刻时、分、秒）-51 Series single-chip experimental curriculum: the clock program (shows time of hour, minute, second)

从51单片机控制液晶显示并且集成继电器控制，键盘扫描等模块！-From 51 single-chip control of liquid crystal display and integrated relay control module scans the keyboard!

用AT89C2051设计的PC-AT键盘源代码-AT89C2051 design with the PC-AT keyboard source code

风机控制器智能程序5,请大家自己使用,千万不外传!-Intelligent fan controller program 5, let us own use, do not Gaiden!

江苏电能表招标技术规范，645-2007-Jiangsu energy meter tender specifications ,645-2007

DS12887A是Dallas公司的一款内置电池的时钟芯片。该程序基于GCC，实现了对DS12877A的操作，包括启动，调整，读取，设置时间的操作，还带万年历哦。-DS12887A is Dallas

Discription: This multi-master driver provides the software interface to the I2C Bus hardware of the M3062x series of MitsubishiMCU.

atmega16测电压源码，适合AVR单片机的初学者-atmega16 measuring voltage source, suitable for beginners AVR Microcontroller