LM35 temperature sensor

gistfile1.ino

/*
LM35 Thermometer
 *
 *LM35 simpy connected to:     5+
 *  			     0V
 *				     Analog Pin 5
 www.circuit-blog.com
 */

#include <LiquidCrystal.h>
int potPin = 5;				     //input read pin for LM35 is Analog Pin 5
int temperature = 0;			    //variable which will be calculated in process
		    
long val=0;					   //variable to store the value coming from the sensor
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

void setup()
{
  lcd.begin(16, 2);
  Serial.begin(9600);
  Serial.println("LM35 Thermometer    ");
  lcd.print("Thermometer    ");
  	}

void loop ()					  //loop below process
{
 
  val = analogRead(potPin);		     //read the value of sensor
  temperature = (5*val*100/1024);	     //convert voltage to temperature
  Serial.println ((float)temperature);
  	 //print temperature value on serial screen
  lcd.setCursor(0,1);
lcd.print((float)temperature);
 lcd.setCursor(3,1);
lcd.print("D.Centigrade");
Serial.println("D.Centigrade");
  delay(2000);					 //wait for 2seconds

}						  //End of process, go back to start of loop - ie check temp...