Description: 4*4 keyboard scan ,which is based on the viretex-4 serial .There are many function pin .you must identificate them
To Search:
- [byvhdstopwatchl] - 1. High-precision digital stopwatch (0.0
- [6] - 4 digital scanning display circuit, we n
File list (Check if you may need any files):
4_4keyboardscan.txt
Download