#include <LiquidCrystal.h>

// Inisialisasi LCD
LiquidCrystal lcd(23, 21, 19, 18, 5, 17);

int sensorPin = 34; // Pin untuk sensor NTC
float tempC;

void setup() {
  lcd.begin(16, 2);
  lcd.print("NIM: V3423092");
}

void loop() {
  int sensorValue = analogRead(sensorPin);
  tempC = analogToCelsius(sensorValue);
  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(tempC);
  lcd.print(" C");
  delay(1000);
}

float analogToCelsius(int analogValue) {
  float voltage = analogValue * (3.3 / 4095.0); // Konversi nilai analog ke tegangan (12-bit pada ESP32)
  float resistance = (3.3 * 10000.0 / voltage) - 10000.0; // Hitung resistansi NTC
  float tempC = (1.0 / ((log(resistance / 10000.0) / 3950.0) + (1.0 / 298.15))) - 273.15; // Konversi resistansi ke suhu
  return tempC;
}