A version of the keypad library found in Wiring. This is just a copy made compatible with the Arduino IDE library manager. - Chris--A/Keypad
{'#','0','*'} }; byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS ); void setup()...