 const byte ROWS = 4;
 const byte COLS = 3;
 char keys[ROWS][COLS] = {
-  {
-    '1','2','3'    }
-  ,{
-    '4','5','6'    }
-  ,{
-    '7','8','9'    }
-  ,{
-    '*','0','#'    }
-};
-
-byte rowPins[ROWS] = {
-  2, 3, 4, 5};
-byte colPins[COLS] = {
-  6, 7, 8};
+{'1','2','3'},
+{'4','5','6'},
+{'7','8','9'},
+{'*','0','#'}};
+
+byte rowPins[ROWS] = {2, 3, 4, 5};
+byte colPins[COLS] = {6, 7, 8};
 
 Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS );
 LiquidCrystal_I2C lcd(0x27,20,4);

  Serial.println(Ethernet.localIP());

  W5100.setRetransmissionTime(0x07D0);
  W5100.setRetransmissionCount(3);

  lcd.init();
  lcd.backlight();


  check_server();

  pinMode(sensor, INPUT);
  digitalWrite(sensor, HIGH);
  pinMode(push_btn, INPUT);
