Introduction - If you have any usage issues, please Google them yourself
Platform: proteus7.4 simulation circuit Project: 4 x 4 matrix keyboard program (GCC) Clock F: 3.6864M Software: WinAVR-20090313+ Proteus7.4 Author: hh comments: 1, 4* 4 keyboard program to learn the preparation method 2, using the polling method to detect key, key for 3 with image stabilization, when the button is pressed, the corresponding LED lights up 4, take up memory space of 5.4 compared to 22 ICCAVR small number, but faster than the time simulation slow computer performance may be related