4X4矩阵键盘实验\AVR Studio开发环境下GCC例程-4X4 matrix keypad test \ AVR Studio development environment, GCC routine

BASCOM-AVR 数字密码锁， 含原理图-Digital Code Lock Project: This is a simple Digital Code Lock project based on ATmega8 microcontroller and 16x2 LCD and a 4x4 keypad. This project run on AMC8 mini computer too. but you can design a different hardware for i