หัดใช้ thingsboard ครับ ในเว็บ demo.thingsboard.io ค่าของ Latest telemetry ใน Devices ไม่แสดงค่าอะไรเลยครับ

//ผมแก้ CODE ตตามนี้ครับ

#include "DHT.h"
#include <PubSubClient.h>
#include <ESP8266WiFi.h>

#define WIFI_AP "XXXXXX"
#define WIFI_PASSWORD "XXXXXX"

#define TOKEN "jyFESG8ZUbRHJjStAY7l"  // thingsboard token

// DHT
#define DHTPIN 5
#define DHTTYPE DHT11

char thingsboardServer[] = "104.196.24.70"; //demo.thingsboard.io

WiFiClient wifiClient;

// Initialize DHT sensor.
DHT dht(DHTPIN, DHTTYPE);

PubSubClient client(wifiClient);

int status = WL_IDLE_STATUS;
unsigned long lastSend;

void setup()
{
  Serial.begin(115200);
  dht.begin();
  delay(10);
  InitWiFi();
  client.setServer( thingsboardServer, 1883 );
  lastSend = 0;
}

void loop()
{
  if ( !client.connected() ) {
    reconnect();
  }

  if ( millis() - lastSend > 1000 ) { // Update and send only after 1 seconds
    getAndSendTemperatureAndHumidityData();
    lastSend = millis();
  }

  client.loop();
}

void getAndSendTemperatureAndHumidityData()
{
  Serial.println("Collecting temperature data.");

  // Reading temperature or humidity takes about 250 milliseconds!
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
// if (isnan(h) || isnan(t)) {
  //  Serial.println("Failed to read from DHT sensor!");
  //  return;
  //}
        h = 60.00;
        t = 38.00;


  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C ");

  String temperature = String(t);
  String humidity = String(h);


  // Just debug messages
  Serial.print( "Sending temperature and humidity : [" );
  Serial.print( temperature ); Serial.print( "," );
  Serial.print( humidity );
  Serial.print( "]   -> " );

  // Prepare a JSON payload string
  String payload = "{";
  payload += "\"temperature\":"; payload += temperature; payload += ",";
  payload += "\"humidity\":"; payload += humidity;
  payload += "}";

  // Send payload
  char attributes[100];
  payload.toCharArray( attributes, 100 );
  client.publish( "v1/devices/dht11/", attributes );
  Serial.println( attributes );

}

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

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


void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    status = WiFi.status();
    if ( status != WL_CONNECTED) {
      WiFi.begin(WIFI_AP, WIFI_PASSWORD);
      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
      }
      Serial.println("Connected to AP");
    }
    Serial.print("Connecting to Thingsboard node ...");
    // Attempt to connect (clientId, username, password)
    if ( client.connect("ESP8266 Device", TOKEN, NULL) ) {
      Serial.println( "[DONE]" );
    } else {
      Serial.print( "[FAILED] [ rc = " );
      Serial.print( client.state() );
      Serial.println( " : retrying in 5 seconds]" );
      // Wait 5 seconds before retrying
      delay( 5000 );
    }
  }
}

////////////////////////////////////////////////////////////////////////////
ในหน้าต่าง Serial Monitor ของ Arduino IDE ก็ขึ้นว่าเชื่อมต่อได้และส่งข้อมุลออกไปในรูปแบบของ JSON
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

.......................Connected to AP
Connecting to Thingsboard node ...[DONE]
Collecting temperature data.
Humidity: 60.00 %    Temperature: 38.00 *C Sending temperature and humidity : [38.00,60.00]   -> {"temperature":38.00,"humidity":60.00}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
ตามรูปนี้ https://www.picz.in.th/images/2018/06/15/4R9tWt.png
แต่ใน  ค่าของ Latest telemetry ใน Devices ไม่แสดงค่าอะไรเลย
ตามรูปนี้ https://www.picz.in.th/images/2018/06/15/4R95Wn.png
ซึ่งผมก็ใส่  thingsboard token ให้เหมือนกันแล้ว
ตามรูปนี้ https://www.picz.in.th/images/2018/06/15/4R9l31.png
ผมต้องตั้งค่าหรือทำอะไรเพิ่มเติมอีกมั้ยครับ
แสดงความคิดเห็น
โปรดศึกษาและยอมรับนโยบายข้อมูลส่วนบุคคลก่อนเริ่มใช้งาน อ่านเพิ่มเติมได้ที่นี่