液体点滴速度监测，为电子设计大赛的题目所配的程序

在单片机应用设计中，4*4键盘是经常用到的，在这个程序种，提供了驱动键盘的基本函数，用户可以直接调用，可以很容易的移植到你的系统上。程序中并附带了，lcd1602的驱动程序-Application in the design of single-chip, 4* 4 keyboard is frequently used in the process of providing the basic function-driven keyboard, users can directly call, can be easily ported to your system. And incidental to the proceedings, lcd1602 driver

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

51单片机的at89c51 的资料信息，可以进一步了解其用法-AT89C51 MCU 51 of the information, you can learn more about its usage

此程序为51实验板1602显示字符程序，经典字量少。-This procedure for 1602 show 51 characters board procedures, the classic word less.

小功率LED条形灯的全彩控制含64阶灰度变化，可供学习LED控制的朋友参考。-Low-power LED light bar control with full-color 64-band gray-scale changes, for studying the control of Friend LED reference.

转载!希望大家喜欢.主要是介绍用C编的C51的延时程序.-reproduced! Hope you like them. Mainly introduces C51 C series of procedural delay.

触摸屏幕资料！还有电路图！可以借鉴的！是初学者的好资料-touch screen information! There circuit! We can draw! Beginners is a good information!

红外线接收程序,本程序运行在NEC制下的遥控器下-Infrared receiver program, the program is running in the NEC remote control system under

AVR官方开发工具包，可汇编和C语言，软件仿真-AVR s official development kit can use compiled and C language, software simulation