#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
void setup() {
  pinMode(A0, INPUT);
  Serial.begin(9600);
  lcd.begin(16,2)
}

void loop() {
const float BETA = 3950;
int temp = analogRead(A0);
float celsius = 1 / (log(1 / (1023. / temp - 1)) / BETA + 1.0 / 298.15) - 273.15;
Serial.println(celsius);
lcd.print("temp:",celsius);

}