//LM35 output voltage has a linear relation with the Celsius temperature, output of 0 v when 0 ℃,
//every increase 1 ℃, the output voltage increase 10 mv
#define lmPin A0  //LM35 attach to
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(4, 6, 10, 11, 12, 13);

float tem = 0;
long lmVal = 0;

void setup()
{
  lcd.begin(16, 2);  // set up the LCD's number of columns and rows:
}
void loop()
{
  lmVal = analogRead(lmPin);
  tem = (lmVal * 0.0048828125 * 100);//5/1024=0.0048828125;1000/10=100
  lcd.setCursor(5,0);
  lcd.print("LM35");
  lcd.setCursor(0,1);
  lcd.print("Tem= ");
  lcd.setCursor(5,1);
  lcd.print(tem);
  lcd.print(" C");
  delay(200);