#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
void setup()
{
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
lcd.init();
lcd.backlight();
delay(1000);
lcd.clear();
pinMode(A5, INPUT);
}
void loop()
{
lcd.setCursor(3,1);
lcd.print(analogRead(A5));
if (analogRead(A5) > 500)
{
  lcd.setCursor(3,0);
lcd.print("HIGH");
digitalWrite(2, HIGH);
digitalWrite(3, LOW);
}
else
{
lcd.setCursor(3,0);
lcd.print("LOW");
digitalWrite(3, HIGH);
digitalWrite(2, LOW);
}
delay(100);
lcd.clear();
}