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Changes for page ThingsBoard

Last modified by Dilisi S on 2025/04/23 19:23
From version 177.1
edited by Dilisi S
on 2025/03/26 21:03
Change comment: Mar 26 edits - part 2
To version 194.1
edited by Dilisi S
on 2025/03/28 00:23
Change comment: Mar 27 edits - part 3

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Content
... ... @@ -170,7 +170,7 @@
170 170  First, you need to create devices in ThingsBoard to represent your physical devices. For example, you can name it **Device A**, and the second device could be **Device B** or any name you prefer. The device name should be unique within the **Devices** space.
171 171  
172 172  
173 -In the left navigation, click Entities -> Devices.
173 +In the left navigation, click **Entities -> Devices**.
174 174  
175 175  Click the **Add Device** button (the button with the **+** sign), and from the dropdown menu, click **Add new device**.
176 176  
... ... @@ -205,13 +205,32 @@
205 205  [[image:create-new-converter-menu.png||height="259" width="500"]]
206 206  
207 207  
208 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
208 +The **Add data converter** window will appear.
209 209  
210 +Let's create an uplink data converter for the device named '**Device A**'. Name it ‘**MQTT Uplink Converter - Device A**’ and select the Type as **Uplink**.
211 +
210 210  Click on the **TBEL** button if it has not been selected by default.
211 211  
212 -The default TBEL function is shown below.
214 +Modify the default TBEL function to match with your device as described below:
213 213  
214 214  
217 +* Uncomment** line 11**:
218 +
219 +//var data = decodeToJson(payload)//
220 +
221 +
222 +* **Line 13**: Assign your device name to the **deviceName** field. - We used **Device A** as it is to match with our device, **Device A **in the Devices section.
223 +* From **line 38**: Modify the telemetry section to allow parsed data to be assigned to the fields.
224 +
225 +//telemetry: {
226 + temperature: data.temperature,
227 + humidity: data.humidity,
228 + rawData: payloadStr
229 + }//
230 +
231 +
232 +The modified uplink decoder function to match with **Device A** is shown below.
233 +
215 215  {{code language="JavaScript"}}
216 216  // Decode an uplink message from a buffer
217 217  // payload - array of bytes
... ... @@ -223,7 +223,7 @@
223 223  var payloadStr = decodeToString(payload);
224 224  
225 225  // decode payload to JSON
226 -// var data = decodeToJson(payload);
245 +var data = decodeToJson(payload);
227 227  
228 228  var deviceName = 'Device A';
229 229  var deviceType = 'thermostat';
... ... @@ -251,8 +251,8 @@
251 251   manufacturer: manufacturer
252 252   },
253 253   telemetry: {
254 - temperature: 42,
255 - humidity: 80,
273 + temperature: data.temperature,
274 + humidity: data.humidity,
256 256   rawData: payloadStr
257 257   }
258 258  };
... ... @@ -262,33 +262,21 @@
262 262  return result;
263 263  {{/code}}
264 264  
265 -We use the same decoder function for all our devices. However, you need to modify a few things for each device. Among these, **deviceName** is a **mandatory** field. You should assign a device name to the **deviceName** field that matches the name of your device in the **Devices** section.
266 266  
267 -For example, if your device name is **Device B**, you can change **Device A** to **Device B**.
268 -
269 -
270 -{{code language="JavaScript"}}
271 -var deviceName = 'Device A';
272 -var deviceType = 'thermostat';
273 -var customerName = 'Customer C';
274 -var groupName = 'thermostat devices';
275 -var manufacturer = 'Example corporation';
276 -{{/code}}
277 -
278 -
279 279  Once you modify the decoder function, click on the **Add** button.
280 280  
281 281  
282 -[[image:mqtt-uplink.png||width="500"]]
283 283  
289 +[[image:ul-data-converter-device-a.png||height="524" width="500"]]
284 284  
285 285  
286 286  You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
287 287  
288 288  
289 -[[image:data-converter-list-showing-uplink-dc.png]]
295 +[[image:ul-data-converter-added.png||height="257"]]
290 290  
291 291  
298 +
292 292  = 5. Add Integration =
293 293  
294 294  
... ... @@ -309,7 +309,7 @@
309 309  **Basic settings:**
310 310  
311 311  * **Integration type**: MQTT
312 -* **Name**: MQTT integration NB/CB
319 +* **Name**: MQTT integration - Device A
313 313  * **Enable integration**: YES
314 314  * **Allows create devices or assets**: YES
315 315  
... ... @@ -316,9 +316,11 @@
316 316  Click **Next** button.
317 317  
318 318  
319 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
326 +[[image:add-integration-basic-settings.png||height="504" width="500"]]
320 320  
321 321  
329 +
330 +
322 322  **Uplink data converter:**
323 323  
324 324  * Click on the **Select existing** button.
... ... @@ -327,9 +327,10 @@
327 327  Click **Next** button.
328 328  
329 329  
330 -[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
339 +[[image:add-integration-ul-data-converter.png||height="505" width="500"]]
331 331  
332 332  
342 +
333 333  **Downlink data converter:**
334 334  
335 335  Dragino NB/CB devices don't require a downlink data converter to decode their payloads, so you can skip this step.
... ... @@ -345,16 +345,16 @@
345 345  
346 346  **Connection:**
347 347  
348 -* **Host**: Cluster URL (Eg. **//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**)
358 +* **Host**: Host URL (Eg. **//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**)
349 349  * **Port**: 8883
350 -* **Credentials**: Basic
351 -* **Enable SSL**: YES
360 +* **Credentials type**: Basic
352 352  * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
353 353  * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
354 -* **Topic: v1/devices/me/telemetry** (The topic can be anything; you can even use just the device name. For example, you can use your device name here, such as devices/a/telemetry.)
363 +* **Enable SSL**: YES
364 +* **Topic: device/a** (The topic can be anything; you can even use just the device name.)
355 355  * **QoS:** 0-At most once
356 356  
357 -[[image:add-integration-connection.png||height="511" width="500"]]
367 +[[image:add-integartion-connection.png||height="505" width="500"]]
358 358  
359 359  
360 360  Click on the **Advanced settings** button.
... ... @@ -384,9 +384,10 @@
384 384  Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
385 385  
386 386  
387 -[[image:new-integration-pending.png]]
397 +[[image:integration-added.png]]
388 388  
389 389  
400 +
390 390  = 6. Verifying the receipt of data from virtual devices =
391 391  
392 392  
... ... @@ -395,24 +395,24 @@
395 395  
396 396  We use the Mosquitto MQTT client to simulate MQTT messages, acting as a virtual device. First, install the Mosquitto client on your computer from [[this link>>url:https://mosquitto.org/download/]]. The Mosquitto client publishes messages to the MQTT broker (HiveMQ) on a specified MQTT topic. ThingsBoard subscribes to these messages using the same topic.
397 397  
398 -The Mosquitto client publishes messages (payloads) on the topic **v1/devices/me/telemetry**. Of course, you can use any topic for testing.
409 +The Mosquitto client publishes messages (payloads) on the topic **/device/a**. Of course, you can use any topic for testing.
399 399  
400 -(% id="cke_bm_37386S" style="display:none" %) (%%)The MQTT payload format is as follows, which is common for all **~-~-NB** and **~-~-CB** series devices. The **IMEI** field is mandatory and is used to provision a new device with the name assigned to it in ThingsBoard.
411 +(% id="cke_bm_37386S" style="display:none" %) (%%)The MQTT payload format is as follows:
401 401  
402 402  {{code language="none"}}
403 -{"IMEI": "S31B-NB", "temperature": 27, ......}
414 +{"IMEI": "350693903995577", "temperature":25, "humidity":80, "pressure":1005}
404 404  {{/code}}
405 405  
406 -Once ThingsBoard receives this message, it automatically creates (provisions) the device mentioned in the **IMEI**, for example, S31B-NB.
417 +Once ThingsBoard receives this message, it forwards this payload to the matching device through the integration.
407 407  
408 408  
409 409  == 5.2 Sending messages ==
410 410  
411 411  
412 -On the terminal, issue the following MQTT command which simulates the device S31B-NB. The message payload contains the fields temperature and humidity, which hold the values S31B-NB and 27, respectively. This payload is also (technically) known as telemetry.
423 +On your computer's terminal, issue the following MQTT command which simulates the device '**Device A'**. The message payload contains the fields IMEI, temperature, humidity, and pressure, which hold the values 350693903995577, 30, 80, and 1005 respectively. This payload is also (technically) known as telemetry.
413 413  
414 414  {{code language="none"}}
415 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "v1/devices/me/telemetry" -u "xxxxx" -P "xxxxx" -m '{"IMEI": "S31B-NB", "temperature": 27}'
426 +mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":30, "humidity":80, "pressure":1005}'
416 416  {{/code}}
417 417  
418 418  If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
... ... @@ -421,12 +421,6 @@
421 421  [[image:integration-active.png]]
422 422  
423 423  
424 -Also, a new device named **S31B-NB** will appear under **//Entities -> Devices -> All//**. This means the first MQTT message triggers ThingsBoard to provision a device named **S31B-NB**.
425 -
426 -
427 -[[image:new-device.png]]
428 -
429 -
430 430  == 6.3 Viewing messages ==
431 431  
432 432  
... ... @@ -445,25 +445,36 @@
445 445  Then click on the **Apply changes** (//**tick icon**//) button.
446 446  
447 447  
448 -[[image:Screenshot 2025-03-18 at 09.23.10.png]]
453 +[[image:debug-enabled.png||height="301" width="700"]]
449 449  
450 450  
456 +
457 +
451 451  Now go to the **Events** tab.
452 452  
453 -Select the Event type as **Debug** from the dropdown list.
460 +Select the **Event type** as **Debug** from the dropdown list.
454 454  
455 -Now you can see all the Uplink messages you are simulating through the MQTT broker. The status should be OK if there is no errors in your integration.
462 +Publish another message (of course, you can repeat the previous message by pressing the UP arrow on your keyboard and then press Enter key) to your MQTT broker from your terminal, for example:
456 456  
464 +{{code language="none"}}
465 +mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":30, "humidity":80, "pressure":1005}'
466 +{{/code}}
457 457  
458 -[[image:Screenshot 2025-03-16 at 18.38.59.png]]
468 +Now you can see that uplink message in the **Events** tab (Click the **refresh** button if you didn't see any messages in the Events tab). The status should be **OK **if there is no errors in your integration.
459 459  
460 460  
471 +[[image:Screenshot 2025-03-26 at 19.49.31.png]]
472 +
473 +
474 +
461 461  Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window.
462 462  
463 463  
464 -[[image:Screenshot 2025-03-16 at 18.39.12.png]]
478 +[[image:Screenshot 2025-03-26 at 19.47.52.png]]
465 465  
466 466  
481 +
482 +
467 467  Now, you have successfully tested your integration with a simulated uplink payload and verified that it is received by ThingsBoard, and the device is provisioned.
468 468  
469 469  
... ... @@ -579,6 +579,3 @@
579 579  {{/info}}
580 580  
581 581  [[image:image-4.png]]
582 -
583 -
584 -
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