atmega16实现电子密码锁,1、 通过键盘输入密码 密码正确与错误进行相应的音乐提示，与液晶显示提示 3次按下错误密码则锁死 -atmega16 for electronic lock, 1, enter the password using the keyboard with the wrong password is correct corresponding music tips, and liquid crystal display prompts 3 times wro

ATMEGA16 AVR单片机，矩阵键盘实验测试，程序驱动键盘-GCC AVR Studio development environment under routine