 
   check_server();
 
-  lcd_init();
   pinMode(sensor, INPUT);
   digitalWrite(sensor, HIGH);
   pinMode(push_btn, INPUT);

  Serial.println(Ethernet.localIP());

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

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

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};

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS );
LiquidCrystal_I2C lcd(0x27,20,4);
