#define BLYNK_TEMPLATE_ID "TMPL6U0oVfbpw"
#define BLYNK_TEMPLATE_NAME "monitoring suhu dan lembab dgn lcd led"
#define BLYNK_AUTH_TOKEN "jxtM6fd-MW7Qx2u90FmBIGHlS9Uvg3fT"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h> 
LiquidCrystal_I2C lcd(0x27, 16, 2);


#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 5          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

int led1=15;
int led2=2;



void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
  lcd.init();
  lcd.backlight();
  dht.begin();
  timer.setInterval(2500L, sendSensor);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
}

void loop() {
  Blynk.run();
  timer.run();
  lcd.setCursor(0,0);
  

}
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!");
    return;
  }

  Blynk.virtualWrite(V1, h);
  Blynk.virtualWrite(V0, t);
  Blynk.virtualWrite(V2, led1);
  Blynk.virtualWrite(V3, led2);

  lcd.setCursor(0, 0); // Set posisi kursor LCD baris 1
  lcd.print("Suhu: "); // Tampilkan teks "Suhu: "
  lcd.print(t); // Tampilkan nilai suhu
  lcd.print(" "); // Tampilkan satuan Celsius
  lcd.print( (char)223);
  lcd.print("C");
  lcd.setCursor(0, 1); // Set posisi kursor LCD baris 2
  lcd.print("Kelembapan: "); // Tampilkan teks "Kelembaban: "
  lcd.print(h); // Tampilkan nilai kelembaban
  lcd.print(" %"); // Tampilkan persen kelembapan
  delay(2000); // Jeda 2 detik
  lcd.clear(); // Bersihkan tampilan LCD


  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);

  if ( t > 50) {
    digitalWrite(led1, HIGH);
  }
  else {
    digitalWrite(led1, LOW);
  }

  if ( h > 50) {
    digitalWrite(led2, HIGH);
  }
  else {
    digitalWrite(led2, LOW);
  }


  if (t > 30) {
    // Blynk.email("[email protected]", "Alert", "Temperature over 28C!");
    Blynk.logEvent("temp_alert", "Temp above 30 degrees");
  }
}