#define BLYNK_TEMPLATE_ID "TMPL6Gv_62GV3"
#define BLYNK_TEMPLATE_NAME "DHT22"
#define BLYNK_AUTH_TOKEN "fiowRiv7KFGMg8DXY5WeRjjZt_9N8uyz"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Espesp";   // Nama hotspot yang digunakan
char pass[] = "espesp111"; // Password hotspot yang digunakan

#define RXD2 16
#define TXD2 17
#define LED 22
#define MOTOR 2
#define DHTPIN 15        // Pin digital tempat Anda menghubungkan sensor DHT
#define DHTTYPE DHT22    // Tipe sensor DHT (DHT11, DHT22, DHT21)
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
const int motorChannel = 0; // Channel PWM untuk motor

void setup() {
  Serial.begin(9600);
  Serial.println("Tes serial - AWAL");
  Serial2.begin(9600, SERIAL_8N1, RXD2, TXD2); 
  Blynk.begin(auth, ssid, pass);
  pinMode(LED, OUTPUT);
  pinMode(MOTOR, OUTPUT);
  dht.begin();
  timer.setInterval(1000L, sendSensor);
  ledcSetup(motorChannel, 5000, 8);  // Setting PWM untuk motor
  ledcAttachPin(MOTOR, motorChannel);
}

void loop() {
  Blynk.run();
  timer.run();
}

void sendSensor() {
  float h = dht.readHumidity();
  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    Serial2.println("Failed to read from DHT sensor!");
    return;
  }

  Blynk.virtualWrite(V1, h);
  Blynk.virtualWrite(V0, t);
  Serial.println("Temperature : " + String(t, 2) + "°C");
  Serial2.println("Temperature : " + String(t, 2) + "°C");
  Serial.println("    Humidity :" + String(h, 1) + "%");
  Serial2.println("    Humidity :" + String(h, 1) + "%");
  Serial.print("\n---\n"); 
  Serial2.print("\n---\n"); 

  if (t > 25) {
    Blynk.virtualWrite(V2, HIGH);
    digitalWrite(LED, LOW);
    ledcWrite(motorChannel, 200); // Kecepatan penuh (200) jika suhu lebih dari 30°C
  } else {
    Blynk.virtualWrite(V2, LOW);
    digitalWrite(LED, HIGH);
    digitalWrite(MOTOR, LOW); // Matikan motor jika suhu kurang dari atau sama dengan 30°C
    ledcWrite(motorChannel, 0); // Pastikan motor dimatikan
  }
}