rs485单线程数据通讯程序，KEY键触发能使单片机之间能够通讯

脉冲宽度的测量，利用1602液晶显示，和4*4键盘输入，AT89C52单片机控制，实现对长脉冲宽度的测量-Pulse width measurement, the use of liquid crystal display 1602, and 4* 4 keyboard input, AT89C52 single-chip control, realize the long pulse width measurement

在单片机系统中实现4*4的小键盘的扫描程序，按键输出对应信号，可以根据按键来设定输出对应高低电平-Single-chip microcomputer system in the implementation of the 4* 4 keypad scanning procedures, the corresponding button output signal can be output in accordance with the corresponding button to set the high-low

单片机高等学校教材-SCM College Books

个人做的基于AVR单片机的一个简易数字钟，用C语言写的，希望各位多多指教。-Individual to do a simple microcontroller-based AVR digital clock, using C language to write, and hope that the exhibitions.

单片机和电脑串口通信实现自动堆垛机控制，采用汇编编程，实现串口通信。-Microcontroller and the computer serial communication for automatic stacking machine control, using assembly programming, serial communication.

控制LED灯的亮灭 控制LED灯的定时亮灭，单片机定时器的使用。-control of the LED light-controlled LEDs eliminate the regular-collapse of the use of SCM timer.

单片机开发、电子钟、仿真、源码、原理图、Proteus-Single-chip development, electronic clock, simulation, source code, schematics, Proteus

手写IC（EPH1100）的80C51驱动软件。-handwritten IC (EPH1100) 80C51-driven software.

一个凌阳DA转换程序可以产生正弦波，三角波-Sunplus a DA conversion process can produce sine wave, triangle wave

1602的详细讲解，DATASHEET 和KEILC51的原码，可以作为参考-1602 of detailed briefings, DATASHEET and KEILC51 original code, can be used as reference