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Last modified by Dilisi S on 2025/04/23 19:23
From version 204.1
edited by Dilisi S
on 2025/04/21 16:49
Change comment: April 21 edits - part 1
To version 128.1
edited by Dilisi S
on 2025/03/08 22:01
Change comment: Uploaded new attachment "thingsboard-6.png", version {1}

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... ... @@ -22,10 +22,7 @@
22 22  To complete this tutorial, you need to have the following:
23 23  
24 24  * ThingsBoard cloud account
25 -* MQTT Broker (public or private) such as,
26 -** **[[HiveMQ Cloud>>https://www.hivemq.com]] - You can create a free account to try it or subscribe for a paid account. - We use HiveMQ Cloud as the MQTT broker to build example in this tutorial.**
27 -** [[emqx>>https://www.emqx.com/zh/mqtt/public-mqtt5-broker]] - The public MQTT server is only used for MOTT learning and testing, and should not be used in the production environment.
28 -** [[lns1.thingseye.io>>http://lns1.thingseye.io/]] - This is Dragino's MQTT broker, which requires a CA certificate to use.
25 +* HiveMQ Cloud account
29 29  
30 30  == 2.1 ThingsBoard Cloud ==
31 31  
... ... @@ -43,35 +43,14 @@
43 43  [[image:thingsboard-2.png]]
44 44  
45 45  
46 -You can sign up with your **Google**, **GitHub**, **Facebook**, or **Apple** account. If not you can create an account with providing your **name**, **email address** and a **password**.
43 +You can sign up with your Google, GitHub, Facebook, or Apple account. If not you can create an account with providing your name, email address and a password.
47 47  
48 -Click on the **Sign up** button.
49 -
50 50  [[image:thingsboard-3.png||height="651" width="500"]]
51 51  
52 52  
53 -You will be navigated to the following page.
54 -
55 -[[image:thingsboard-5.png||height="109" width="500"]]
56 -
57 -
58 -simultaneously, you will receive an email to confirm your email address. Click on the **Activate Your Account** button.
59 -
60 -
61 -[[image:thingsboard-4.png||height="249" width="500"]]
62 -
63 -
64 -Now losing to the account using your credentials:
65 -
66 -
67 -[[image:thingsboard-6.png||height="244" width="500"]]
68 -
69 -
70 70  == 2.2 HiveMQ Cloud ==
71 71  
72 -=== 2.2.1 HiveMQ Cloud ===
73 73  
74 -
75 75  Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
76 76  
77 77  Click on the **Start Free** button.
... ... @@ -146,33 +146,12 @@
146 146  You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section.
147 147  
148 148  
149 -=== 2.2.2 emqx ===
150 -
151 -
152 -The [[emqx>>https://www.emqx.com/zh/mqtt/public-mqtt5-broker]] public MQTT server is only used for MOTT learning and testing, and should not be used in the production environment.
153 -
154 -
155 -[[image:emqx.png||height="420" width="500"]]
156 -
157 -
158 -=== 2.2.3 Ins1.thingseye.io ===
159 -
160 -[[lns1.thingseye.io>>http://lns1.thingseye.io/]] is the Dragino's MQTT broker, which requires a CA certificate file, Certificate file, and the Private key file to use.
161 -
162 -If customers need to use this MQTT connection with ThingsBoard, they need to contact the TE team to obtain three license files.
163 -
164 -[[image:ins1.png||height="310" width="500"]]
165 -
166 -
167 -
168 168  = 3. Data Converters =
169 169  
170 170  
171 171  In **ThingsBoard**, **Data Converters** are components used to transform incoming or outgoing data between different formats, typically to convert raw telemetry data from devices into a structured format that ThingsBoard can understand, or vice versa.
172 172  
173 -**In this section, you will create a universal uplink data converter for all Dragino NB-IoT devices. The uplink decoder converts any MQTT message coming from a device into key-value pairs that can be used to display and visualize data using various widgets on the dashboard**.
174 174  
175 -
176 176  == 3.1 Uplink ==
177 177  
178 178  
... ... @@ -179,10 +179,11 @@
179 179  In the left navigation, click **Integrations center**, and then click **Data converters**.
180 180  
181 181  
137 +
182 182  [[image:data-converters-list-empty.png]]
183 183  
184 184  
185 -On the **Data converters** page, click on the ‘**+**’ button, and then click on **Create new converter** from the dropdown menu.
141 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
186 186  
187 187  
188 188  
... ... @@ -189,381 +189,228 @@
189 189  [[image:create-new-converter-menu.png||height="259" width="500"]]
190 190  
191 191  
192 -The **Add data converter** window appears.
148 +The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
193 193  
194 -Name it ‘**MQTT Uplink Converter**’ and select the Type as **Uplink**.
150 +Click on the **TBEL** button if not selected it by default. Delete the existing decoder function in the code editor. Now copy and paste the following decoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This decoder function is compatible for both NB and CB series devices.
195 195  
196 -Click on the **TBEL** button if it has not been selected by default.
152 +{{code language="JavaScript"}}
153 +/** Decoder **/
197 197  
198 -Replace the default TBEL decoder function with the following universal TBEL decoder function, which decodes MQTT payload from any Dragino NB-IoT device.
155 +// decode payload to string
156 +var payloadStr = decodeToString(payload);
157 +var data = JSON.parse(payloadStr);
199 199  
200 -
201 -{{code language="JavaScript"}}
159 +var deviceName = metadata.topic.split("/")[3];
202 202  // decode payload to JSON
203 -var pattern = "yyyy/MM/dd HH:mm:ss";
204 -var objdata = {};
205 -var obj1 = {};
206 -var data = decodeToJson(payload);
207 -var deviceName = data.IMEI;
208 -data.remove("IMEI");
209 -var modelname = "Dragino "+ data.Model;
210 -//var mod = data.mod
211 -data.remove("Model");
212 -//delete data.mod
213 -var timestamp = new Date().getTime();
214 -foreach (entry: data.entrySet()) {
215 - var key = entry.getKey();
216 - var value = entry.getValue();
217 - //objdata[key] = data[key]
218 - if(key.matches("^-?\\d+$")){ //is number
219 - obj1[key]=data[key];
220 - var index = obj1[key].length-1;
221 - obj1[key][index]=new Date(obj1[key][index],pattern).getTime();
222 - }
223 - else if (key==="bat"||key==="BAT"){
224 - objdata["battery"] = data[key];
225 - }
226 - else{
227 - objdata[key] = data[key];
228 -}}
229 -var listdata = [{"ts":timestamp,"values":objdata}];
230 -foreach ( entry1: obj1.entrySet()){
231 - var key1 = entry1.getKey();
232 - var value1 = entry1.getValue();
233 - var index = obj1[key1].length-1;
234 - var ts = obj1[key1][index];
235 - if (modelname=="Dragino RS485-NB"){
236 - listdata.push({"ts":ts,"values":{"Payload":obj1[key1][0]}});
237 - }
238 - else{
239 - listdata.push({"ts":ts,"values":{"values":obj1[key1]}});
240 - }
241 -}
242 - var result = {
161 +var deviceType = 'sensor';
162 +
163 +// Result object with device attributes/telemetry data
164 +var result = {
243 243   deviceName: deviceName,
244 - deviceType: modelname,
166 + deviceType: deviceType,
245 245   attributes: {
246 - model: modelname
247 - //customerName: "NB-CB",
248 - //groupName: "NB-CB",
249 - //integrationName: metadata['integrationName']
168 + integrationName: metadata['integrationName'],
250 250   },
251 - telemetry: listdata
170 + telemetry: {
171 + temperature: data.temperature,
172 + humidity: data.humidity,
173 + }
252 252  };
175 +
176 +/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
177 +
253 253  return result;
254 254  {{/code}}
255 255  
256 256  
257 -Once you modify the decoder function, click on the **Add** button.
182 +Click on the **Add** button.
258 258  
259 259  
260 -[[image:mqtt-uplink-converter.png||height="498" width="500"]]
261 261  
186 +[[image:add-uplink-data-converter.png||height="529" width="500"]]
262 262  
263 263  
264 264  You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
265 265  
191 +[[image:data-converter-list-showing-uplink-dc.png]]
266 266  
267 267  
268 -[[image:data-converters-list.png]]
269 269  
195 +== 3.2 Downlink ==
270 270  
271 -= 4. Add Integration =
272 272  
198 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
273 273  
274 -In the left navigation, click **Integrations center**, and then click **Integrations**.
275 275  
201 +[[image:create-new-converter-menu.png||width="500"]]
276 276  
277 -[[image:integrations-list-empty.png]]
278 278  
279 279  
280 -On the **Integrations** page, click on the '**+**' button.
205 +The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
281 281  
207 +Click on the **TBEL** button if not selected it by default. Now copy and paste the following encoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This encoder function is compatible for both NB and CB series devices.
282 282  
283 -The **Add integration** window appears.
284 284  
285 -In the **Add integration** window, configure the following settings:
210 +{{code language="JavaScript"}}
211 +// Encode downlink data from incoming Rule Engine message
286 286  
213 +// msg - JSON message payload downlink message json
214 +// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
215 +// metadata - list of key-value pairs with additional data about the message
216 +// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
287 287  
288 -**Basic settings:**
218 +/** Encoder **/
289 289  
290 -* **Integration type**: MQTT
291 -* **Name**: MQTT integration - Device A
292 -* **Enable integration**: YES
293 -* **Allow create devices or assets**: YES
220 +var data = {};
294 294  
295 -Click **Next** button.
222 +// Process data from incoming message and metadata
296 296  
224 +data.tempFreq = msg.temperatureUploadFrequency;
225 +data.humFreq = msg.humidityUploadFrequency;
297 297  
298 -[[image:add-integration-basic-settings.png||height="504" width="500"]]
227 +data.devSerialNumber = metadata['ss_serialNumber'];
299 299  
229 +// Result object with encoded downlink payload
230 +var result = {
300 300  
232 + // downlink data content type: JSON, TEXT or BINARY (base64 format)
233 + contentType: "JSON",
301 301  
235 + // downlink data
236 + data: JSON.stringify(data),
302 302  
303 -**Uplink data converter:**
238 + // Optional metadata object presented in key/value format
239 + metadata: {
240 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
241 + }
304 304  
305 -* Click on the **Select existing** button.
306 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
243 +};
307 307  
308 -Click **Next** button.
245 +return result;
246 +{{/code}}
309 309  
310 310  
311 -[[image:add-integration-ul-data-converter.png||height="505" width="500"]]
312 -
313 -
314 -
315 -**Downlink data converter:**
316 -
317 -Dragino NB/CB devices don't require a downlink data converter to decode their payloads, so you can skip this step.
318 -
319 -* Click on the **Skip **button in the Downlink data converter section.
320 -
321 -Click **Skip** button.
322 -
323 -
324 -[[image:integration-dl-skip.png||height="511" width="500"]]
325 -
326 -
327 -
328 -**Connection:**
329 -
330 -* **Host**: Host URL (Eg. **//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**)
331 -* **Port**: 8883
332 -* **Credentials type**: Basic
333 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
334 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
335 -* **Enable SSL**: YES
336 -* **Topic: device/a** (The topic can be anything; you can even use just the device name.)
337 -* **QoS:** 0-At most once
338 -
339 -[[image:add-integartion-connection.png||height="505" width="500"]]
340 -
341 -
342 -Click on the **Advanced settings** button.
343 -
344 -* **Clean session:** YES
345 -* **Retained**: YES
346 -
347 -[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
348 -
349 -
350 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
351 -
352 -
353 -[[image:check-connection.png||height="83" width="300"]]
354 -
355 -
356 -If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
357 -
358 -
359 -[[image:connection-success.png||height="511" width="500"]]
360 -
361 -
362 362  Click on the **Add** button.
363 363  
364 -You should see that the newly added integration is listed on the **Integrations** page.
365 365  
366 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
367 367  
253 +[[image:add-downlink-data-converter.png||height="529" width="500"]]
368 368  
369 -[[image:integration-added.png]]
370 370  
256 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
371 371  
372 372  
373 -= 5. Verifying the receipt of data from virtual devices =
259 +[[image:data-converters-list.png]]
374 374  
375 375  
376 -== 5.1 How does it work? ==
377 377  
263 += 4. Add Integration =
378 378  
379 -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.
380 380  
381 -The Mosquitto client publishes messages (payloads) on the topic **/device/a**. Of course, you can use any topic for testing.
266 +In the left navigation, click **Integrations center**, and then click **Integrations**.
382 382  
383 -(% id="cke_bm_37386S" style="display:none" %) (%%)The MQTT payload format is as follows:
384 384  
385 -{{code language="none"}}
386 -{"IMEI": "350693903995577", "temperature":25, "humidity":80, "pressure":1005}
387 -{{/code}}
269 +[[image:integrations-list-empty.png]]
388 388  
389 -Once ThingsBoard receives this message, it forwards this payload to the matching device through the integration.
390 390  
272 +On the **Integrations** page, click on the '**+**' button.
391 391  
392 -== 5.2 Sending messages ==
393 393  
275 +The **Add integration** window appears.
394 394  
395 -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.
277 +In the **Add integration** window, configure the following settings:
396 396  
397 -{{code language="none"}}
398 -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}'
399 -{{/code}}
400 400  
401 -If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
280 +**Basic settings:**
402 402  
282 +* **Integration type**: MQTT
283 +* **Name**: MQTT integration NB/CB
284 +* **Enable integration**: YES
285 +* **Allows create devices or assets**: YES
403 403  
404 -[[image:integration-active.png]]
287 +Click **Next** button.
405 405  
406 406  
407 -== 5.3 Viewing messages ==
408 408  
291 +[[image:add-integration-basic-settings.png||height="511" width="500"]]
409 409  
410 -Go back to the **Integrations** page.
411 411  
412 -Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details.
294 +**Uplink data converter:**
413 413  
414 -Click on the **Edit** button (//**pen icon**//).
296 +* Click on the **Select existing** button.
297 +* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
415 415  
416 -Click on the **Disabled** button in the upper-right corner.
299 +Click **Next** button.
417 417  
418 -Turn on the **All messages (15 min)** option. This will enable displaying all messages in the **Events** tab. This setting will expire in 15 minutes, and you will need to repeat the same steps if you want to view the messages in the Events tab later.
419 419  
420 -Click on the **Apply** button.
421 421  
422 -Then click on the **Apply changes** (//**tick icon**//) button.
303 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
423 423  
424 424  
425 -[[image:debug-enabled.png||height="301" width="700"]]
306 +**Downlink data converter:**
426 426  
308 +* Click on the **Select existing** button.
309 +* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
427 427  
311 +Click **Next** button.
428 428  
429 429  
430 -Now go to the **Events** tab.
431 431  
432 -Select the **Event type** as **Debug** from the dropdown list.
315 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
433 433  
434 -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:
435 435  
436 -{{code language="none"}}
437 -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}'
438 -{{/code}}
318 +**Connection:**
439 439  
440 -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.
320 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
321 +* **Port**: 8883
322 +* **Credentials**: Basic
323 +* **Enable SSL**: YES
324 +* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
325 +* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
326 +* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
327 +* **QoS:** 0-At most once
441 441  
329 +[[image:add-integration-connection.png||height="511" width="500"]]
442 442  
443 -[[image:Screenshot 2025-03-26 at 19.49.31.png]]
444 444  
332 +Click on the **Advanced settings** button.
445 445  
334 +* **Clean session:** NO
335 +* **Retained**: NO
446 446  
447 -Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window.
337 +[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
448 448  
449 449  
450 -[[image:Screenshot 2025-03-26 at 19.47.52.png]]
340 +Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
451 451  
452 452  
343 +[[image:check-connection.png||height="83" width="300"]]
453 453  
454 454  
455 -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.
346 +If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
456 456  
457 457  
458 -= 6. Creating a Dashboard =
349 +[[image:connection-success.png||height="511" width="500"]]
459 459  
460 -ThingsBoard **Dashboards** provide a powerful way to visualize and monitor real-time and historical data from connected devices. They allow users to create interactive, customizable panels displaying telemetry data, device status, and other key metrics. With a variety of widgets, including charts, maps, and tables, dashboards help users gain insights, track trends, and manage IoT deployments efficiently.
461 461  
462 -
463 -This section guides you on how to create a dashboard to display temperature and humidity data from the device on a time-series chart. You may also use other widgets in ThingsBoard to display data according to your requirements.
464 -
465 -
466 -First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg:
467 -
468 -{{code language="none"}}mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":80, "pressure":1005}'{{/code}}
469 -
470 -
471 -In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu.
472 -
473 -
474 -[[image:dashboard-1.png]]
475 -
476 -
477 -In the **Title** text box, enter **NB/CB Test Dashboard** as the title of the dashboard.
478 -
479 479  Click on the **Add** button.
480 480  
354 +You should see that the newly added integration is listed on the **Integrations** page.
481 481  
482 -[[image:dashboard-2.png||height="526" width="500"]]
356 +Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
483 483  
484 484  
485 -Click on the **Add widget / Add new widget** button.
486 486  
360 +[[image:new-integration-pending.png]]
487 487  
488 -[[image:dashboard-3.png]]
489 489  
363 += 5. Verifying the receipt of data from the device =
490 490  
491 -In the **Select widgets bundle** window, click **Charts**.
492 492  
366 +On the terminal, issue the following MQTT command which simulates the device S31B-NB.
493 493  
494 -[[image:dashboard-4.png||height="537" width="700"]]
495 -
496 -
497 -
498 -In the **Charts: select widget** window, click **Time series chart**.
499 -
500 -
501 -[[image:dashboard-5.png||height="525" width="700"]]
502 -
503 -
504 -Configure the **Time series chart** widget as follows:
505 -
506 -* **Datasource** - select **Device A** device you provisioned.
507 -* **Series**:
508 -** **temperature** - you can see this key by default.
509 -** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
510 -* Click on the **Add** button.
511 -
512 -{{info}}
513 -You can add only the relevant fields from the device's payload to display data on a widget. These fields are called 'keys'.
514 -{{/info}}
515 -
516 -[[image:Screenshot 2025-03-31 at 06.51.15.png||height="485" width="700"]]
517 -
518 -
519 -The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner.
520 -
521 -Click the **Save** button to add the widget to the dashboard.
522 -
523 -
524 -[[image:timeseries-3.png||height="347" width="700"]]
525 -
526 -
527 -Now send the following MQTT messages from the terminal to simulate the data.
528 -
529 -
530 530  {{code language="none"}}
531 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":70, "pressure":1005}'
532 -
533 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":27, "humidity":72, "pressure":1005}'
534 -
535 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":19, "humidity":80, "pressure":1005}'
369 +mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
536 536  {{/code}}
537 537  
538 -The chart will update with the values in realtime, as shown in the below image.
539 -
540 -
541 -[[image:timeseries-4.png||height="316" width="700"]]
542 -
543 -
544 -= 8. Configure Physical NB-IoT Sensor =
545 -
546 -
547 -Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **TS01-NB**.
548 -
549 -First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use.
550 -
551 -
552 -**AT Commands**
553 -
554 -* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
555 -* **AT+SUBTOPIC=<MQTT subscribe topic> Eg: TS01-NB**
556 -* **AT+PUBTOPIC=<MQTT publish topic> Eg: TS01-NB**
557 -* **AT+CLIENT=null**
558 -* **AT+UNAME=<MQTT Username>**
559 -* **AT+PWD=<MQTT Password>**
560 -* **AT+SERVADDR=<Broker address, Port>**
561 -
562 -Test your uplink by pressing the ACT button for 1 second.
563 -
564 -
565 -
566 -The following image shows the uplink payload of a real Dragino device. The publish topic is '**TS01-NB' that contains fields in the payload, IMEI, IMSI, Model, temperature, etc**. Note that we have created a device named **TS01-NB** in the **Devices** section in advance.
567 -
568 -
569 -[[image:image-4.png]]
372 +If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “S31B-NB” will appear in the Devices → All. Also, you can verify the input and output data, respectively, before and after conversion in Data converters → UDP Uplink Converter NB/CB → Events.
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