HT1621 driver files, for testing liquid crystal above code more useful, some of...

很好的AT89C51的中文说明书 费了很大劲才找到的-AT89C51 good Chinese manual costs a lot劲才found

这是一个ZLG7289的读键盘程序，源码调试通过，绝对好用-This is a read keyboard ZLG7289 procedures, debugging source code is passed, the absolute ease of use

240128液晶驱动的测试程序，c语言编写-240,128 LCD driver test procedures, c language

arm嵌入式系统lpc22**看门狗溢出复位源代码-arm embedded system lpc22 ** reset the watchdog overflow source code

很强大，很完整的，在单片机控制LED显示屏上玩俄罗斯方块-Very powerful, very complete, in SCM control LED display on the play Tetris ~ ~ ~ ~

C51的跑马灯程序-C51 5,250 procedures

延时采用指令延时的方法,通过改变系统时钟,改变延时的长短,用IOA口的低8位接的LED的闪烁显示出来-Delay the use of methods of instruction latency by changing the system clock, changing the length of delay, and low IOA I received 8 of the LED display flashes

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

8051-step motor-..........................................

在单片机向实际系统发出控制信号时,需用数模转换芯片将数字信号转成模拟信号.这个程序和原理图详细说明了DA转换器的应用和开发.-In SCM systems to the actual control signal, the required digital-to-analog converter chip digital signal into analog signal. This procedure and schematic diagram detailing the application of DA converters and development.