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diff --git a/Arduino/Libraies/Keypad/Examples/HelloKeypad/HelloKeypad.pde b/Arduino/Libraies/Keypad/Examples/HelloKeypad/HelloKeypad.pde
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+/* @file HelloKeypad.pde
+|| @version 1.0
+|| @author Alexander Brevig
+|| @contact alexanderbrevig@gmail.com
+||
+|| @description
+|| | Demonstrates the simplest use of the matrix Keypad library.
+|| #
+*/
+#include <Keypad.h>
+
+const byte ROWS = 4; //four rows
+const byte COLS = 3; //three columns
+char keys[ROWS][COLS] = {
+  {'1','2','3'},
+  {'4','5','6'},
+  {'7','8','9'},
+  {'#','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(){
+  Serial.begin(9600);
+}
+  
+void loop(){
+  char key = keypad.getKey();
+  
+  if (key != NO_KEY){
+    Serial.println(key);
+  }
+}