36 lines
748 B
Arduino
36 lines
748 B
Arduino
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/* @file HelloKeypad.pde
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|| @version 1.0
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|| @author Alexander Brevig
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|| @contact alexanderbrevig@gmail.com
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|| @description
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|| | Demonstrates the simplest use of the matrix Keypad library.
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|| #
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*/
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#include <Keypad.h>
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const byte ROWS = 4; //four rows
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const byte COLS = 3; //three columns
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char keys[ROWS][COLS] = {
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{'1','2','3'},
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{'4','5','6'},
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{'7','8','9'},
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{'*','0','#'}
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};
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byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
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byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad
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Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
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void setup(){
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Serial.begin(9600);
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}
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void loop(){
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char key = keypad.getKey();
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if (key){
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Serial.println(key);
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}
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}
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