#include <Wire.h>
#include <LiquidCrystal.h>
#define LM_35 A0
#define MV 5000
#define R 1023
 
LiquidCrystal_I2C lcd (0x27, 16, 2);




void setup() {
  lcd.init();
  lcd.backlight();
  pinMode(13, OUTPUT);

}

void loop() {
 int ard = analogRead(LM_35);
 float V =ard*(MV/R);
 float celsius = V/10;

 if (celsius>26.0){
  digitalWrite(13, HIGH);
 }

 else{
  digitalWrite(13, LOW);
 }

 float fahrenheit=(celsius*1.8)+32;
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("Room temperature");
 lcd.print((char)223);
 lcd.print("C")
 lcd_setCursor(0,1);
 lcd.print(fahrenheit);
 lcd.print("F")
 delay(20000);

 lcd.fa



}