1. I am using ATMega 2560 arduino board & want to interface 4x4 keypad in it.
It has lots of other peripherals like graphical lcd, relay, 3 uart peripherals. SO bit of large code in it.
2. Need to interface 4x4 keypad. Was looking at this library.
https://playground.arduino.cc/Main/KeypadTutorial
3. On this page, its written that:
" If key presses seem to take a long time to show up then you are probably using long delay()'s in your code. The same thing can happen if you use too...
4x4 keypad arduino non blocking
It has lots of other peripherals like graphical lcd, relay, 3 uart peripherals. SO bit of large code in it.
2. Need to interface 4x4 keypad. Was looking at this library.
https://playground.arduino.cc/Main/KeypadTutorial
3. On this page, its written that:
" If key presses seem to take a long time to show up then you are probably using long delay()'s in your code. The same thing can happen if you use too...
4x4 keypad arduino non blocking