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Last modified by Dilisi S on 2025/04/23 19:23
From version 120.1
edited by Dilisi S
on 2025/03/08 20:25
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To version 170.1
edited by Dilisi S
on 2025/03/19 21:00
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... ... @@ -21,13 +21,57 @@
21 21  
22 22  To complete this tutorial, you need to have the following:
23 23  
24 -* ThingsBoard cloud account -
25 -* HiveMQ Cloud account
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.
26 26  
30 +== 2.1 ThingsBoard Cloud ==
27 27  
28 -== 2.1 HiveMQ Cloud ==
29 29  
33 +Go to [[https:~~/~~/thingsboard.io/>>https://thingsboard.io/]]
30 30  
35 +Click on the **Try it now**.
36 +
37 +
38 +[[image:thingsboard-1.png]]
39 +
40 +
41 +Select either the **North America** or **Europe** region. Here, we use the Europe region.
42 +
43 +[[image:thingsboard-2.png]]
44 +
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**.
47 +
48 +Click on the **Sign up** button.
49 +
50 +[[image:thingsboard-3.png||height="651" width="500"]]
51 +
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 +== 2.2 HiveMQ Cloud ==
71 +
72 +=== 2.2.1 HiveMQ Cloud ===
73 +
74 +
31 31  Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
32 32  
33 33  Click on the **Start Free** button.
... ... @@ -80,133 +80,194 @@
80 80  **Port**: 8883
81 81  
82 82  
83 -Click on the **Getting Started** tab to setup the username and the password.
127 +Click on the **Getting Started** tab to setup the username and the password as the connection credentials.
84 84  
85 85  
86 86  [[image:hivemq-8.png]]
87 87  
88 88  
133 +In the '**Create Connection Credentials**' section, provide a **username** and **password**, then click the **Add** button.
89 89  
90 -= 2. Data Converters =
91 91  
136 +[[image:hivemq-9.png]]
92 92  
93 -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.
94 94  
95 95  
96 -== 2.1 Uplink ==
140 +If everything is successful, you will see the following message.
97 97  
98 98  
99 -In the left navigation, click **Integrations center**, and then click **Data converters**.
143 +[[image:hivemq-10.png||height="206" width="500"]]
100 100  
101 101  
146 +You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section.
102 102  
103 -[[image:data-converters-list-empty.png]]
104 104  
149 +=== 2.2.2 emqx ===
105 105  
106 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
107 107  
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.
108 108  
109 109  
110 -[[image:create-new-converter-menu.png||height="259" width="500"]]
155 +[[image:emqx.png||height="420" width="500"]]
111 111  
112 112  
113 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
158 +=== 2.2.3 Ins1.thingseye.io ===
114 114  
115 -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.
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.
116 116  
117 -{{code language="JavaScript"}}
118 -/** Decoder **/
162 +If customers need to use this MQTT connection with ThingsBoard, they need to contact the TE team to obtain three license files.
119 119  
120 -// decode payload to string
121 -var payloadStr = decodeToString(payload);
122 -var data = JSON.parse(payloadStr);
164 +[[image:ins1.png||height="310" width="500"]]
123 123  
124 -var deviceName = metadata.topic.split("/")[3];
125 -// decode payload to JSON
126 -var deviceType = 'sensor';
127 127  
128 -// Result object with device attributes/telemetry data
129 -var result = {
130 - deviceName: deviceName,
131 - deviceType: deviceType,
132 - attributes: {
133 - integrationName: metadata['integrationName'],
134 - },
135 - telemetry: {
136 - temperature: data.temperature,
137 - humidity: data.humidity,
138 - }
139 -};
167 += 3. Data Converters =
140 140  
141 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
142 142  
143 -return result;
144 -{{/code}}
170 +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.
145 145  
146 146  
147 -Click on the **Add** button.
173 +== 3.1 Uplink ==
148 148  
149 149  
176 +In the left navigation, click **Integrations center**, and then click **Data converters**.
150 150  
151 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
152 152  
179 +[[image:data-converters-list-empty.png]]
153 153  
154 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
155 155  
156 -[[image:data-converter-list-showing-uplink-dc.png]]
157 -
158 -
159 -
160 -== 3.2 Downlink ==
161 -
162 -
163 163  On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
164 164  
165 165  
166 -[[image:create-new-converter-menu.png||width="500"]]
167 167  
186 +[[image:create-new-converter-menu.png||height="259" width="500"]]
168 168  
169 169  
170 -The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
189 +The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
171 171  
172 -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.
191 +Click on the **JavaScript** button.
173 173  
193 +Delete the default decoder function in the code editor. Now copy and paste the following decoder function written in **JavaScript** in to the **code editor**. This decoder function is compatible for both NB and CB series devices.
174 174  
195 +
175 175  {{code language="JavaScript"}}
176 -// Encode downlink data from incoming Rule Engine message
197 +//Version: 0.1
198 +// decode payload to string
199 +var payloadStr = decodeToString(payload);
177 177  
178 -// msg - JSON message payload downlink message json
179 -// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
180 -// metadata - list of key-value pairs with additional data about the message
181 -// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
201 +// decode payload to JSON
202 +var objdata = {};
203 +var obj1 = {};
204 +var data = decodeToJson(payload);
205 +var deviceName = data.IMEI;
206 +delete data.IMEI;
207 +var modelname = "Dragino " + data.Model;
208 +//var mod = data.mod
209 +delete data.Model;
210 +//delete data.mod
211 +var timestamp = new Date().getTime();
182 182  
183 -/** Encoder **/
213 +for (var key in data) {
214 +
215 + if (Number(key)) {
216 + obj1[key] = data[key];
217 + obj1[key][obj1[key].length - 1] = Number(new Date(
218 + obj1[key][obj1[key].length - 1]));
184 184  
185 -var data = {};
186 -
187 -// Process data from incoming message and metadata
188 -
189 -data.tempFreq = msg.temperatureUploadFrequency;
190 -data.humFreq = msg.humidityUploadFrequency;
191 -
192 -data.devSerialNumber = metadata['ss_serialNumber'];
193 -
194 -// Result object with encoded downlink payload
220 + }
221 +//Alec submitted25/02/25
222 +//turn old key into new
223 + else if (key === "Reading") {
224 + objdata["reading"] = data[key];
225 + } else if (key === "work mode") {
226 + objdata["work_mode"] = data[key];
227 + } else if (key === "hum") {
228 + objdata["humidity"] = data[key];
229 + }else if (key === "hum2") {
230 + objdata["humidity2"] = data[key];
231 + } else if (key === "hum3") {
232 + objdata["humidity3"] = data[key];
233 + } else if (key === "tem") {
234 + objdata["temperature"] = data[key];
235 + } else if (key === "tem2") {
236 + objdata["temperature2"] = data[key];
237 + } else if (key === "tem3") {
238 + objdata["temperature3"] = data[key];
239 + } else if (key === "DS18B20_Temp") {
240 + objdata["temperature_pro"] = data[key];
241 + } else if (key === "ds18b20_temperature") {
242 + objdata["temperature_pro"] = data[key];
243 + } else if (key === "DS18B20_temperature_pro") {
244 + objdata["temperature_pro"] = data[key];
245 + } else if (key === "tdc send flag") {
246 + objdata["tdc_send_flag"] = data[key];
247 + } else if (key === "trigger mode") {
248 + objdata["trigger_mode"] = data[key];
249 + } else if (key === "soil dielectric constant") {
250 + objdata["soil_dielectric_constant"] = data[key];
251 + } else if (key === "door open num") {
252 + objdata["door_open_num"] = data[key];
253 + } else if (key === "door duration") {
254 + objdata["door_duration"] = data[key];
255 + } else if (key === "count time") {
256 + objdata["count_time"] = data[key];
257 + } else if (key === "last open time2") {
258 + objdata["last_open_time2"] = data[key];
259 + } else if (key === "last open time3") {
260 + objdata["last_open_time3"] = data[key];
261 + }
262 +//Alec submitted25/02/25
263 + else {
264 + objdata[key] = data[key]
265 + }
266 +}
267 +var listdata = [{
268 + "ts": timestamp,
269 + "values": objdata
270 +}]
271 +for (var key1 in obj1) {
272 + if (modelname == "Dragino RS485-NB") {
273 + listdata.push({
274 + "ts": obj1[key1][obj1[key1].length - 1],
275 + "values": {
276 + "Payload": obj1[key1][0],
277 + }
278 + })
279 + } else {
280 + listdata.push({
281 + "ts": obj1[key1][obj1[key1].length - 1],
282 + "values": {
283 + "values": obj1[key1]
284 + },
285 + })
286 + }
287 +}
195 195  var result = {
196 196  
197 - // downlink data content type: JSON, TEXT or BINARY (base64 format)
198 - contentType: "JSON",
290 + deviceName: deviceName,
291 + deviceType: modelname,
292 + attributes: {
293 + model: modelname,
294 + //customerName: "NB-CB",
295 + //groupName: "NB-CB",
296 + //integrationName: metadata['integrationName']
199 199  
200 - // downlink data
201 - data: JSON.stringify(data),
298 + },
299 + telemetry: listdata
300 +}
202 202  
203 - // Optional metadata object presented in key/value format
204 - metadata: {
205 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
206 - }
302 +function decodeToString(payload) {
303 + return String.fromCharCode.apply(String, payload);
304 +}
207 207  
208 -};
306 +function decodeToJson(payload) {
307 + // covert payload to string.
308 + var str = decodeToString(payload);
209 209  
310 + // parse string to JSON
311 + var data = JSON.parse(str);
312 + return data;
313 +}
314 +
210 210  return result;
211 211  {{/code}}
212 212  
... ... @@ -214,20 +214,23 @@
214 214  Click on the **Add** button.
215 215  
216 216  
322 +[[image:mqtt-uplink.png||width="500"]]
217 217  
218 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
219 219  
220 220  
221 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
326 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
222 222  
223 223  
224 -[[image:data-converters-list.png]]
329 +[[image:data-converter-list-showing-uplink-dc.png]]
225 225  
226 226  
227 227  
228 -= 3. Add Integration =
229 229  
230 230  
335 +
336 += 4. Add Integration =
337 +
338 +
231 231  In the left navigation, click **Integrations center**, and then click **Integrations**.
232 232  
233 233  
... ... @@ -252,7 +252,6 @@
252 252  Click **Next** button.
253 253  
254 254  
255 -
256 256  [[image:add-integration-basic-settings.png||height="511" width="500"]]
257 257  
258 258  
... ... @@ -264,7 +264,6 @@
264 264  Click **Next** button.
265 265  
266 266  
267 -
268 268  [[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
269 269  
270 270  
... ... @@ -276,19 +276,18 @@
276 276  Click **Next** button.
277 277  
278 278  
279 -
280 280  [[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
281 281  
282 282  
283 283  **Connection:**
284 284  
285 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
390 +* **Host**: Cluster URL (Eg. 011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud)
286 286  * **Port**: 8883
287 287  * **Credentials**: Basic
288 288  * **Enable SSL**: YES
289 289  * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
290 290  * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
291 -* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
396 +* **Topic: v1/devices/+/telemetry** (the + replaces any 'device name' will create a device in the Entities -> Devices)
292 292  * **QoS:** 0-At most once
293 293  
294 294  [[image:add-integration-connection.png||height="511" width="500"]]
... ... @@ -296,8 +296,8 @@
296 296  
297 297  Click on the **Advanced settings** button.
298 298  
299 -* **Clean session:** NO
300 -* **Retained**: NO
404 +* **Clean session:** YES
405 +* **Retained**: YES
301 301  
302 302  [[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
303 303  
... ... @@ -325,13 +325,193 @@
325 325  [[image:new-integration-pending.png]]
326 326  
327 327  
328 -= 5. Verifying the receipt of data from the device =
433 += 5. Verifying the receipt of data from virtual devices =
329 329  
330 330  
331 -On the terminal, issue the following MQTT command which simulates the device S31B-NB.
436 +== 5.1 How does it work? ==
332 332  
438 +
439 +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.
440 +
441 +The Mosquitto client publishes messages (payloads) on the topic **v1/devices/me/telemetry**. Of course, you can use any topic for testing.
442 +
443 +(% 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.
444 +
333 333  {{code language="none"}}
334 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
446 +{"IMEI": "S31B-NB", "temperature": 27, ......}
335 335  {{/code}}
336 336  
337 -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.
449 +Once ThingsBoard receives this message, it automatically creates (provisions) the device mentioned in the **IMEI**, for example, S31B-NB.
450 +
451 +
452 +== 5.2 Sending messages ==
453 +
454 +
455 +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.
456 +
457 +{{code language="none"}}
458 +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}'
459 +{{/code}}
460 +
461 +If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
462 +
463 +
464 +[[image:integration-active.png]]
465 +
466 +
467 +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**.
468 +
469 +
470 +[[image:new-device.png]]
471 +
472 +
473 +== 5.3 Viewing messages ==
474 +
475 +
476 +Go back to the **Integrations** page.
477 +
478 +Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details.
479 +
480 +Click on the **Edit** button (//**pen icon**//).
481 +
482 +Click on the **Disabled** button in the upper-right corner.
483 +
484 +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.
485 +
486 +Click on the **Apply** button.
487 +
488 +Then click on the **Apply changes** (//**tick icon**//) button.
489 +
490 +
491 +[[image:Screenshot 2025-03-18 at 09.23.10.png]]
492 +
493 +
494 +Now go to the **Events** tab.
495 +
496 +Select the Event type as **Debug** from the dropdown list.
497 +
498 +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.
499 +
500 +
501 +[[image:Screenshot 2025-03-16 at 18.38.59.png]]
502 +
503 +
504 +Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window.
505 +
506 +
507 +[[image:Screenshot 2025-03-16 at 18.39.12.png]]
508 +
509 +
510 +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.
511 +
512 +
513 += 6. Creating a Dashboard =
514 +
515 +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.
516 +
517 +
518 +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.
519 +
520 +
521 +First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg:
522 +
523 +{{code language="none"}}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": 22, "humidity":80}'{{/code}}
524 +
525 +
526 +In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu.
527 +
528 +
529 +[[image:dashboard-1.png]]
530 +
531 +
532 +In the **Title** text box, enter **NB/CB Test Dashboard** as the title of the dashboard.
533 +
534 +Click on the **Add** button.
535 +
536 +
537 +[[image:dashboard-2.png||height="526" width="500"]]
538 +
539 +
540 +Click on the **Add widget / Add new widget** button.
541 +
542 +
543 +[[image:dashboard-3.png]]
544 +
545 +
546 +In the **Select widgets bundle** window, click **Charts**.
547 +
548 +
549 +[[image:dashboard-4.png||height="537" width="700"]]
550 +
551 +
552 +
553 +In the **Charts: select widget** window, click **Time series chart**.
554 +
555 +
556 +[[image:dashboard-5.png||height="525" width="700"]]
557 +
558 +
559 +Configure the **Time series chart** widget as follows:
560 +
561 +* **Datasource** - select S31B-NB device you provisioned.
562 +* **Series**:
563 +** **temperature** - you can see this key by default.
564 +** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
565 +* Click on the **Add** button.
566 +
567 +[[image:timeseries-1.png||height="491" width="700"]]
568 +
569 +
570 +The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner.
571 +
572 +Click the **Save** button to add the widget to the dashboard.
573 +
574 +
575 +[[image:timeseries-3.png||height="347" width="700"]]
576 +
577 +
578 +Now send the following MQTT messages from the terminal to simulate the data.
579 +
580 +
581 +{{code language="none"}}
582 +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": 22, "humidity":70}'
583 +
584 +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, "humidity":72}'
585 +
586 +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": 19, "humidity":80}'
587 +
588 +{{/code}}
589 +
590 +The chart will update with the values in realtime, as shown in the below image.
591 +
592 +
593 +[[image:timeseries-4.png||height="316" width="700"]]
594 +
595 +
596 += 7. Configure NB-IoT Sensor =
597 +
598 +
599 +Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**.
600 +
601 +First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use.
602 +
603 +
604 +**AT Commands**
605 +
606 +* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
607 +* **AT+SUBTOPIC=<MQTT subscribe topic> **
608 +* **AT+PUBTOPIC=<MQTT publish topic> Eg: TS01-NB**
609 +* **AT+CLIENT=null**
610 +* **AT+UNAME=<MQTT Username>**
611 +* **AT+PWD=<MQTT Password>**
612 +* **AT+SERVADDR=<Broker address, Port>**
613 +
614 +Test your uplink by pressing the ACT button for 1 second.
615 +
616 +
617 +The following image shows the uplink payload of a real Dragino device. The publish topic is **TS01-NB**, and the device name is **861275077962896**, which is represented by the **IMEI**.
618 +
619 +[[image:image-4.png]]
620 +
621 +
622 +
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