(DHT11) sensor with Smart Relay integrated Telegram App

#include "CTBot.h"
#include "DHT.h"

#define DHTPIN 14      // Mendefinisikan pin yang digunakan untuk sensor DHT11 (pin 4)
#define DHTTYPE DHT11 // Mendefinisikan tipe sensor DHT (DHT11)

const int LED_PIN = 2; // Ganti dengan pin GPIO tempat Anda menghubungkan relay


DHT dht(DHTPIN, DHTTYPE); // Inisialisasi objek DHT

CTBot myBot;

String ssid = "vivo 5G";
String pass = "tidakada";
String token = "6550686848:AAGJKkVjXViIoRS6MCUDyavkRS8TZ379bj0";
const int telegramChatId = 1426323376;

void setup() {
  Serial.begin(115200);
  Serial.println("Read DHT11 TelegramBot");
  dht.begin();
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW);
  delay(500);

  if (myBot.wifiConnect(ssid, pass)) {
    Serial.println("\nOk wifi");
  } else {
    Serial.println("\nnot Ok wifi");
  }

  myBot.setTelegramToken(token);

  if (myBot.testConnection()) {
    Serial.println("\ntestConnection OK");
  } else {
    Serial.println("\ntestConnection NOK");
  }
}

void loop() {
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  TBMessage msg;
  Serial.println(t);
  Serial.println(h);

  if (myBot.getNewMessage(msg)) {
    if (msg.text.equalsIgnoreCase("CHECK TEMP")) {
            myBot.sendMessage(msg.sender.id, "Temperature: " + String(t) + "C") ;
    } else if (msg.text.equalsIgnoreCase("CHECK HUM")) {
            myBot.sendMessage(msg.sender.id, "Humidity: " + String(h) + "%");
    } else {
      String reply = "Welcome " + msg.sender.username + ". Try READ TEMP or READ HUM.";
      myBot.sendMessage(msg.sender.id, reply);
    }
  }

  delay(500);
  // Mengaktifkan relay jika suhu melebihi 30 °C
  if (t > 30 ) {
    activateLED();
    sendRelayActivationMessage();
  } else if (t  <= 30) {
    deactivateLED();
  }

  // Menunggu beberapa detik sebelum membaca sensor lagi
  delay(500);
}
void activateLED() {
  digitalWrite(LED_PIN, HIGH);
}

void deactivateLED() {
  digitalWrite(LED_PIN, LOW);
}

void sendRelayActivationMessage() {
  // Mengirim pesan ke bot Telegram bahwa relay telah diaktifkan
  String message = "Relay telah diaktifkan karena suhu melebihi 30 °C.";
  myBot.sendMessage(telegramChatId, message);
}