getkey() is part of keypad so to use it you use the calling convention keypad.getkey().
The reason? because that's the way it's done. Kind of like Serial. Serial.begin(9600) Serial.read() and so forth.
getkey() is part of keypad so to use it you use the calling convention keypad.getkey().
The reason? because that's the way it's done. Kind of like Serial. Serial.begin(9600) Serial.read() and so forth.