#include <DHT.h>

#define DHTPIN 23      // Pin untuk DHT22
#define DHTTYPE DHT22  // Tipe sensor
DHT dht(DHTPIN, DHTTYPE);

#define SOIL_MOISTURE_PIN 34  // Pin untuk sensor kelembapan tanah
#define RELAY_PIN 15          // Pin untuk relay (opsional)

void setup() {
  Serial.begin(115200);
  dht.begin();

  pinMode(SOIL_MOISTURE_PIN, INPUT);
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW); // Matikan relay pada awal
}

void loop() {
  // Baca data suhu dan kelembapan udara
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Baca kelembapan tanah
  int soilMoistureRaw = analogRead(SOIL_MOISTURE_PIN);
  float soilMoisturePercent = map(soilMoistureRaw, 4095, 0, 0, 100); // Kalibrasi ke persen

  // Tampilkan data
  Serial.print("Suhu: ");
  Serial.print(temperature);
  Serial.print("°C, Kelembapan Udara: ");
  Serial.print(humidity);
  Serial.print("%, Kelembapan Tanah: ");
  Serial.print(soilMoisturePercent);
  Serial.println("%");

  // Logika irigasi otomatis
 if (soilMoisturePercent < 55) {
    digitalWrite(RELAY_PIN, HIGH); // Nyalakan relay
    Serial.println("Pompa Dinyalakan");
  } else {
    digitalWrite(RELAY_PIN, LOW); // Matikan relay
    Serial.println("Pompa Dimatikan");
  }

  delay(2000); // Tunggu 2 detik sebelum membaca ulang
}