#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
int lm35Pin = A0;

void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(9600); // aktifkan komunikasi serial
}

void loop() {
  int adc = analogRead(lm35Pin);
  float voltage = adc * 5.0 / 1023.0;
  float tempC = voltage * 100.0;

  // tampilkan ke LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(tempC, 1);
  lcd.print(" C");

  // tampilkan juga ke Serial Monitor
  Serial.print("Suhu = ");
  Serial.print(tempC, 1);
  Serial.println(" C");

  delay(1000);
}