#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define TMP_PIN A0   // TMP36 sensor output connected to A0

void setup() {
  lcd.init();
  lcd.backlight();   // Turn on LCD backlight

  lcd.setCursor(0,0);
  lcd.print("TMP36 Sensor");
  delay(1500);
  lcd.clear();
}

void loop() {
  int sensorValue = analogRead(TMP_PIN);

  // Convert to voltage
  float voltage = sensorValue * (5.0 / 1023.0);

  // Convert voltage to temperature (TMP36 formula)
  float temperatureC = (voltage - 0.5) * 100.0;

  // Display on LCD
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temperatureC);
  lcd.print("C   ");

  delay(1000);
}