/*************************************************************
  You can use this sketch as a debug tool that prints all incoming values
  sent by a widget connected to a Virtual Pin 1 in the Blynk App.

  App dashboard setup:
    Slider widget (0...100) on V1
 *************************************************************/

/* Fill-in information from Blynk Device Info here */
//menkoneksikan dengan blynk melalui token yang sudah disediakan pada device info
#define BLYNK_TEMPLATE_ID "TMPL6rQHrSMBg"
#define BLYNK_TEMPLATE_NAME "IOT ke5"
#define BLYNK_AUTH_TOKEN "_lqCjNOtODWJi4U1ym287GGQrSjwyBXb"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial 

//menambahkan library wifi, wifiClient, Blynk, Dht dan LiquidCrystal
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <LiquidCrystal_I2C.h>

//mendefinisikan tiap pin yang digunakan untuk sensor suhu dan lampu
#define DHTPIN 4
#define DHTTYPE DHT22

//mendefinisikan type dht
DHT dht(DHTPIN, DHTTYPE);
//memberikan timer blynk
BlynkTimer timer;
//mengatur ukuran lcd
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Your WiFi credentials.
// Set password to "" for open networks.pengaturan koneksi wifi internal yang disediakan wokwi
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

//membaca setiap sensor yang dimasukkan
void sendSensor(){
  //sensor suhu dan kelembapan
  float t = dht.readTemperature();// Membaca suhu dari sensor DHT 
  float h = dht.readHumidity();// Membaca kelembaban dari sensor DHT 
  Blynk.virtualWrite(V2, h);//mengaktifkan sesnsor kelembapan saat di nyalakan
  Blynk.virtualWrite(V1, t);//mengaktifkan sensor suhu saat dinyalakan
} 
// This function will be called every time Slider Widget
// in Blynk app writes values to the Virtual Pin 1
//membuat fungsi untuk VO
BLYNK_WRITE(V0)
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  digitalWrite(2, pinValue);
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  if (t >= 38){
    digitalWrite(2, HIGH);//menghidupkan lampu saat t >=38
  }
  if (t <= 38){
    digitalWrite(2, LOW);//mematikan lampu saat t< 38
  }
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("V0 Slider value is: ");
  Serial.println(pinValue);
}

void setup()
{
  // Debug console
  Serial.begin(115200);
  pinMode(2, OUTPUT);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  dht.begin();
  timer.setInterval(1000L, sendSensor);
 
  // You can also specify server:
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);
}

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