This example is for Wiring version 1.0 build 0100+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.
CustomKeypad by BREVIG http://alexanderbrevig.com
*** THE KEYPAD REQUIRES PULL-UP RESISTORS ON THE ROW PINS. *** This defines a custom keypad and enable you to enter hexadecimal values
*** THE KEYPAD REQUIRES PULL-UP RESISTORS ON THE ROW PINS. *** This defines a custom keypad and enable you to enter hexadecimal values
#include <Keypad.h> const byte ROWS = 4; //four rows const byte COLS = 4; //four columns //define the cymbols on the buttons of the keypads char hexaKeys[ROWS][COLS] = { {'0','1','2','3'}, {'4','5','6','7'}, {'8','9','A','B'}, {'C','D','E','F'} }; byte rowPins[ROWS] = {3, 2, 1, 0}; //connect to the row pinouts of the keypad byte colPins[COLS] = {7, 6, 5, 4}; //connect to the column pinouts of the keypad //initialize an instance of class NewKeypad Keypad cusomKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS); void setup(){ Serial.begin(9600); } void loop(){ char customKey = cusomKeypad.getKey(); if (customKey != NO_KEY){ Serial.println(customKey); } }