// Define analog pin
const int tempPin = A0;  // LM35 output connected to A0

#include<Wire.h>

#include <LiquidCrystal_I2C.h>
//A4=SDA, A5=SCL
LiquidCrystal_I2C Khaled(0x27,16,2);//3F
void setup() 
{
  Serial.begin(9600);  // Start serial communication
  Khaled.begin(16,2);
}

void loop() 
{
  int analogValue = analogRead(tempPin); 

   Serial.print("AnalogValue: ");
   Serial.print(analogValue);
 
  Khaled.setCursor(0,0);
  Khaled.print("AnalogValue:");
  Khaled.print(analogValue);
  
  int celsius =1 / (log(1 / (1023.0 / analogValue - 1)) / 3950.0 + 1.0 / 298.15)- 273.15;

  // Display result in serial monitor in computer
  Serial.print("\n Temperature: ");
  Serial.print(celsius);
  Serial.println(" °C");
 // Display result in serial monitor in external display
  Khaled.setCursor(0,1);
  Khaled.print("Temp:");
  Khaled.print(celsius);
  Khaled.println(" °C");


  delay(1000);  // Wait 1 second before next reading
}