#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int relay_pin = 32;
void setup()
{
  Wire.begin(23, 22);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();

  pinMode(relay_pin,OUTPUT);
}

void loop()
{
  int16_t i = analogRead(34);
 String msg = i < 2165 ? "MOJADO" : i > 3135 ? "SECO" : "OK";
  if (i > 3135) {
    digitalWrite(relay_pin,HIGH);
  }
  else if (i < 2165){
  }
  else {
    digitalWrite(relay_pin,LOW);
  }

  lcd.clear();
  lcd.print("Tierra: ");
  lcd.print(msg);
  delay(500); 
  
}