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avr Led test program in c

设计使得原本需要14个IO接口的键盘显示少用了9个单片机IO接口,虽然该设计的优势在本实验中没有完全体现出来,但若在现代工业设计中应用此方案,在对引脚需要较大的产品中其优点将体现得淋漓尽致。.-Design makes the original needs 14 IO interface shows the use of a keyboard 9 Singlechip IO interface, although the advantages of the design in this experiment did not fully reflected, but in modern industrial design in the application of this program in the pairs of primers Products feet larger in its merits and will be reflected most vividly. .

可用由移动通信的好程序，主要做栈队变换，由1343 和cps两种队的变换。-available from the mobile communications program is the main teams do stack transform, and by 1343 cps transform the two teams.

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必备-51 essential

1602液晶屏的使用说明手册，很实用哦，对于使用VHDL编写液晶屏驱动具有参考价值。-1602 LCD screen use the instruction manual, it is practical Oh, for the use of VHDL LCD driver with the preparation of reference value.

7302VideoAP.zip----------一个多媒体液晶显示器内部控制器(主芯片为:EL7302)的源程序(KC51)-7302VideoAP.zip---------- an internal multimedia LCD Controller (Controller Chip : EL7302) of the source (KC51)

与单片机通信,实现多功能控制界面,内容详细,涉及多个方面-With the single-chip communication, the realization of multi-function control interface and detailed, involving many aspects

用于蓝牙开发！基于hci的编程，可实现单片机对蓝牙模块的控制，从而实现蓝牙主从设备的连接和通信！-for Bluetooth development! Based on HCI programming can be realized right MCU Bluetooth module control, thereby achieving Bluetooth equipment from the main connection and communication!

好久没来了,写个4*4键盘的程序把,基本上每行都有解释,很适合初学者-Long time did not come, write a 4* 4 keyboard procedure to basically have to explain each line, it is suitable for beginners