#include <DHT.h>
#include "HX711.h"

// === Pin DHT22 ===
#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// === Pin HX711 ===
#define DT 4
#define SCK 5
HX711 scale;

// === Pin kontrol relay ===
#define RELAY_PIN 13

void setup() {
  Serial.begin(115200);
  dht.begin();
  scale.begin(DT, SCK);
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW);  // pastikan relay OFF di awal
}

void loop() {
  float suhu = dht.readTemperature();
  float berat = scale.get_units(10);

  Serial.print("Suhu: ");
  Serial.print(suhu);
  Serial.print(" °C | Berat: ");
  Serial.print(berat);
  Serial.println(" gram");

  // Jika suhu di bawah 30°C → hidupkan relay
  if (suhu < 30.0) {
    digitalWrite(RELAY_PIN, HIGH);  // Relay ON
    Serial.println("Relay AKTIF → LED menyala");
  } else {
    digitalWrite(RELAY_PIN, LOW);   // Relay OFF
    Serial.println("Relay NONAKTIF → LED mati");
  }

  delay(2000);
}