1st tests

keypad/keypad/keypad.ino

@@ -0,0 +1,28 @@
+#include <Key.h>
+#include <Keypad.h>
+
+const byte rows = 4; //four rows
+const byte cols = 3; //three columns
+char keys[rows][cols] = {
+  {'1','5','9'},
+  {'2','6','x'},
+  {'3','7','y'},
+  {'4','8','z'}
+};
+byte rowPins[rows] = {1, 2, 3, 0}; //connect to the row pinouts of the keypad
+byte colPins[cols] = {21, 22, 23}; //connect to the column pinouts of the keypad
+Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, rows, cols );
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  char customKey = keypad.getKey();
+  
+  if (customKey){
+    Serial.println(customKey);
+  }
+}