#define LED 2
int i=0;
int prev=1;
int current=1;
#define button 4
int ledcurrent=0;
char arr[4][40] =
{ "Temperature:",
  "Humidity:",
  "Wind \Direction:",
  "Wind \nSpeed:"
};
void setup() {
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
  pinMode(button, INPUT_PULLUP);
}

void loop() {
  current=digitalRead(button);
  if(current!=prev){
    prev=current;
    if(current==LOW){
      Serial.println(i);
      ledcurrent=!ledcurrent;
      i++;
      Serial.println(sizeof(arr[0]));
      Serial.println(sizeof(arr[1]));
      Serial.println(sizeof(arr[2]));
      Serial.println(sizeof(arr[3]));
    }
    
  }
  digitalWrite(LED, ledcurrent);
}