Loops back EP2OUT to EP6IN and EP4OUT to EP8IN.

六位电子密码锁 采用89s52（51，52都可），4*4键盘，六个数码管，74ls04（位选），573（8D锁存器）。 说明：P2---数据（接573）―――（接数码管） P1---位选 ---（按74ls04） P0--4*4键盘 密码一次性设置（编程时写入的） 电路简单，此源程序仅供初学者学习，可自行扩展密码模块（加24C02）。 编绎软件为wave -six electronic password lock used 89s52 (can be 51, 52), 4* 4 keyboard, six digital control, 74ls04 (EC), 573 (8D latches). Note : P2-- Data (573 )---( access digital access control) P1 Choice------ (74ls04 ) P0-- 4* 4 keyboard set up a one-time password (into programming) circuit is simple, This program is for beginners learning will be able to expand password module (CO2 plus 24). Sounds series software wave

I0口作为串行口发送接收函数完美版-I0 mouth as send and receive serial port function perfect version

心电信号的计算机分析毕业论文-ECG analysis of the computer Thesis

使用PIC芯片控制U2270读取125KHz ID卡卡号，因为所使用的PIC资源很少，此程序极为精简，包含中断曼切斯特解码和校验全过程，非常实用。-The use of PIC chip control U2270 Read 125KHz ID card number, because the use of PIC scarce resources, this program is extremely streamlined, with interruption of Manchester decoding and checking the whole process is very useful.

adc with atmega8 with proteus

简易信号发生器，可产生正弦波、方波、三角波，幅度、频率都可调节。-Simple signal generator can produce sine, square, triangle wave, amplitude, frequency adjustment can be.

,c51 是经典的单片机，简单，精通51单片机，在学习其他的单片机 很易上手 -, c51 is the classic single-chip, simple, fluent in 51 single-chip, single-chip microcomputer in the learning of other very易上手

万历年对大家来说都比较熟了吧，这个相当的不错。快来下载吧-10000 calendar year for all of us have Bi Jiaoshu the bar, this quite good. Come download the bar

AT89C2051中文手册，AT89C2051是非常便宜的51系列单片机，简单好用。-AT89C2051 Chinese Manual, AT89C2051 is a very cheap 51 series microcontroller, easy-to-use.

AVR单片机做的两轮自平衡机器人，这个系统是基于AvrX做的-AVR do two self-balancing robot, the system is based on the so AvrX