[TUTORIAL] Menghubungkan ThingsBoard dengan ESP32 di Wokwi (Project Air Quality Monitoring menggunakan Sensor DHT22)

#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32) 
#include <WiFi.h>
#endif

#include "ThingsBoard.h"
#include "DHTesp.h"

#define CURRENT_FIRMWARE_TITLE "TEST"
#define CURRENT_FIRMWARE_VERSION "1.0.0"

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

// See https://thingsboard.io/docs/getting-started-guides/helloworld
// to understand how to obtain an access token
#define TOKEN "9jM0MqUqsxwnpJVRNU8O"
#define THINGSBOARD_SERVER "thingsboard.cloud"

// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD 115200

const int DHT_PIN = 15;
DHTesp dhtSensor;

// Initialize ThingsBoard client
WiFiClient espClient;

// Initialize ThingsBoard instance
ThingsBoard tb(espClient);

// the Wifi radio's status
int status = WL_IDLE_STATUS;

void InitWiFi() {
    Serial.println("Connecting to AP ...");
    // attempt to connect to WiFi network
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }

    Serial.println("Connected to AP");
}

void reconnect() {
    // Loop until we're reconnected
    status = WiFi.status();
    if ( status != WL_CONNECTED) {
        WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

        while (WiFi.status() != WL_CONNECTED) {
            delay(500);
            Serial.print(".");
        }
        Serial.println("Connected to AP");
    }
}

void setup() {
    // initialize serial for debugging
    Serial.begin(SERIAL_DEBUG_BAUD);
    Serial.println();
    InitWiFi();
    dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
    delay(1000);

    if (WiFi.status() != WL_CONNECTED) {
        reconnect();
    }

    if (!tb.connected()) {
        // Connect to the ThingsBoard
        Serial.print("Connecting to: ");
        Serial.print(THINGSBOARD_SERVER);
        Serial.print(" with token ");
        Serial.println(TOKEN);

        if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
            Serial.println("Failed to connect");
            return;
        }
    }

    Serial.println("Sending data...");
    // Uploads new telemetry to ThingsBoard using MQTT.
    // See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
    // for more details

    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    tb.sendTelemetryInt("temperature", data.temperature);
    tb.sendTelemetryFloat("humidity", data.humidity);
    Serial.print("Suhu : ");
    Serial.print(data.temperature);
    Serial.print(" Kelembaban : ");
    Serial.println(data.humidity);
    tb.loop();
    tb.loop();
}