Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -21,57 +21,13 @@ 21 21 22 22 To complete this tutorial, you need to have the following: 23 23 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. 24 +* ThingsBoard cloud account - 25 +* HiveMQ Cloud account 29 29 30 -== 2.1 ThingsBoard Cloud == 31 31 28 +== 2.1 HiveMQ Cloud == 32 32 33 -Go to [[https:~~/~~/thingsboard.io/>>https://thingsboard.io/]] 34 34 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 - 75 75 Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]] 76 76 77 77 Click on the **Start Free** button. ... ... @@ -124,217 +124,133 @@ 124 124 **Port**: 8883 125 125 126 126 127 -Click on the **Getting Started** tab to setup the username and the password as the connection credentials.83 +Click on the **Getting Started** tab to setup the username and the password. 128 128 129 129 130 130 [[image:hivemq-8.png]] 131 131 132 132 133 -In the '**Create Connection Credentials**' section, provide a **username** and **password**, then click the **Add** button. 134 134 90 += 2. Data Converters = 135 135 136 -[[image:hivemq-9.png]] 137 137 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. 138 138 139 139 140 - Ifeverythingis successful, you will see the followingmessage.96 +== 2.1 Uplink == 141 141 142 142 143 - [[image:hivemq-10.png||height="206"width="500"]]99 +In the left navigation, click **Integrations center**, and then click **Data converters**. 144 144 145 145 146 -You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section. 147 147 103 +[[image:data-converters-list-empty.png]] 148 148 149 -=== 2.2.2 emqx === 150 150 106 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 151 151 152 -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. 153 153 154 154 155 -[[image:em qx.png||height="420" width="500"]]110 +[[image:create-new-converter-menu.png||height="259" width="500"]] 156 156 157 157 158 - ===2.2.3Ins1.thingseye.io===113 +The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**. 159 159 160 - [[lns1.thingseye.io>>http://lns1.thingseye.io/]]istheDragino'sMQTTbroker,whichrequires aCAcertificatefile,Certificate file,andthePrivatekey fileto use.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. 161 161 162 -If customers need to use this MQTT connection with ThingsBoard, they need to contact the TE team to obtain three license files. 117 +{{code language="JavaScript"}} 118 +/** Decoder **/ 163 163 164 -[[image:ins1.png||height="310" width="500"]] 120 +// decode payload to string 121 +var payloadStr = decodeToString(payload); 122 +var data = JSON.parse(payloadStr); 165 165 124 +var deviceName = metadata.topic.split("/")[3]; 125 +// decode payload to JSON 126 +var deviceType = 'sensor'; 166 166 167 -(% class="wikigeneratedid" %) 168 -= 3. Creating Devices = 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 +}; 169 169 141 +/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/ 170 170 171 -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. 143 +return result; 144 +{{/code}} 172 172 173 173 174 - In theleft navigation,clickEntities->Devices.147 +Click on the **Add** button. 175 175 176 -Click the **Add Device** button (the button with the **+** sign), and from the dropdown menu, click **Add new device**. 177 177 178 -In the **Add new device** dialog box, enter the device name in the **Name** text box. For example, we will use **Device A**. 179 179 180 - Click the**Add** button.151 +[[image:add-uplink-data-converter.png||height="529" width="500"]] 181 181 182 -Skip the **connectivity testing** by clicking the **Close** button. 183 183 184 - Thedevice iscreated andlistedon the **Devices** page. Note thatitsinitialstateis**Inactive**becauseit hasnotreceivedanydatayet.154 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page. 185 185 156 +[[image:data-converter-list-showing-uplink-dc.png]] 186 186 187 -= 4. Data Converters = 188 188 189 189 190 - In **ThingsBoard**, **DataConverters** arecomponents used to transform incoming or outgoing data betweendifferent formats, typically to convert raw telemetry data from devices intoa structured format that ThingsBoard can understand, or vice versa.160 +== 3.2 Downlink == 191 191 192 192 193 - ==4.1Uplink==163 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 194 194 195 195 196 - In the left navigation, click **Integrations center**,andthenlick **Data converters**.166 +[[image:create-new-converter-menu.png||width="500"]] 197 197 198 198 199 -[[image:data-converters-list-empty.png]] 200 200 170 +The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**. 201 201 202 - On the **Data converters**page, clickon the‘**+**’button,and thenclickon the **Create newconverter**fromthedropdownmenu.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. 203 203 204 204 175 +{{code language="JavaScript"}} 176 +// Encode downlink data from incoming Rule Engine message 205 205 206 -[[image:create-new-converter-menu.png||height="259" width="500"]] 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 207 207 183 +/** Encoder **/ 208 208 209 - The **Add data converter**window willappear. Name it‘**MQTT Uplink Converter NB/CB**’andselectthe Type as **Uplink**.185 +var data = {}; 210 210 211 - Clickon the**JavaScript** button.187 +// Process data from incoming message and metadata 212 212 213 -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. 189 +data.tempFreq = msg.temperatureUploadFrequency; 190 +data.humFreq = msg.humidityUploadFrequency; 214 214 215 -{{info}} 216 -Please note that the value assigned to the IMEI field in the payload will be used by ThingsBoard to create a device on the platform with the same name. 217 -{{/info}} 192 +data.devSerialNumber = metadata['ss_serialNumber']; 218 218 219 -{{code language="JavaScript"}} 220 -//Version: 0.1 221 -// decode payload to string 222 -var payloadStr = decodeToString(payload); 194 +// Result object with encoded downlink payload 195 +var result = { 223 223 224 -// decode payload to JSON 225 -var objdata = {}; 226 -var obj1 = {}; 227 -var data = decodeToJson(payload); 228 -var deviceName = data.IMEI; 229 -delete data.IMEI; 230 -var modelname = "Dragino " + data.Model; 231 -//var mod = data.mod 232 -delete data.Model; 233 -//delete data.mod 234 -var timestamp = new Date().getTime(); 197 + // downlink data content type: JSON, TEXT or BINARY (base64 format) 198 + contentType: "JSON", 235 235 236 -for (var key in data) { 237 - 238 - if (Number(key)) { 239 - obj1[key] = data[key]; 240 - obj1[key][obj1[key].length - 1] = Number(new Date( 241 - obj1[key][obj1[key].length - 1])); 200 + // downlink data 201 + data: JSON.stringify(data), 242 242 203 + // Optional metadata object presented in key/value format 204 + metadata: { 205 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload' 243 243 } 244 -//Alec submitted25/02/25 245 -//turn old key into new 246 - else if (key === "Reading") { 247 - objdata["reading"] = data[key]; 248 - } else if (key === "work mode") { 249 - objdata["work_mode"] = data[key]; 250 - } else if (key === "hum") { 251 - objdata["humidity"] = data[key]; 252 - }else if (key === "hum2") { 253 - objdata["humidity2"] = data[key]; 254 - } else if (key === "hum3") { 255 - objdata["humidity3"] = data[key]; 256 - } else if (key === "tem") { 257 - objdata["temperature"] = data[key]; 258 - } else if (key === "tem2") { 259 - objdata["temperature2"] = data[key]; 260 - } else if (key === "tem3") { 261 - objdata["temperature3"] = data[key]; 262 - } else if (key === "DS18B20_Temp") { 263 - objdata["temperature_pro"] = data[key]; 264 - } else if (key === "ds18b20_temperature") { 265 - objdata["temperature_pro"] = data[key]; 266 - } else if (key === "DS18B20_temperature_pro") { 267 - objdata["temperature_pro"] = data[key]; 268 - } else if (key === "tdc send flag") { 269 - objdata["tdc_send_flag"] = data[key]; 270 - } else if (key === "trigger mode") { 271 - objdata["trigger_mode"] = data[key]; 272 - } else if (key === "soil dielectric constant") { 273 - objdata["soil_dielectric_constant"] = data[key]; 274 - } else if (key === "door open num") { 275 - objdata["door_open_num"] = data[key]; 276 - } else if (key === "door duration") { 277 - objdata["door_duration"] = data[key]; 278 - } else if (key === "count time") { 279 - objdata["count_time"] = data[key]; 280 - } else if (key === "last open time2") { 281 - objdata["last_open_time2"] = data[key]; 282 - } else if (key === "last open time3") { 283 - objdata["last_open_time3"] = data[key]; 284 - } 285 -//Alec submitted25/02/25 286 - else { 287 - objdata[key] = data[key] 288 - } 289 -} 290 -var listdata = [{ 291 - "ts": timestamp, 292 - "values": objdata 293 -}] 294 -for (var key1 in obj1) { 295 - if (modelname == "Dragino RS485-NB") { 296 - listdata.push({ 297 - "ts": obj1[key1][obj1[key1].length - 1], 298 - "values": { 299 - "Payload": obj1[key1][0], 300 - } 301 - }) 302 - } else { 303 - listdata.push({ 304 - "ts": obj1[key1][obj1[key1].length - 1], 305 - "values": { 306 - "values": obj1[key1] 307 - }, 308 - }) 309 - } 310 -} 311 -var result = { 312 312 313 - deviceName: deviceName, 314 - deviceType: modelname, 315 - attributes: { 316 - model: modelname, 317 - //customerName: "NB-CB", 318 - //groupName: "NB-CB", 319 - //integrationName: metadata['integrationName'] 208 +}; 320 320 321 - }, 322 - telemetry: listdata 323 -} 324 - 325 -function decodeToString(payload) { 326 - return String.fromCharCode.apply(String, payload); 327 -} 328 - 329 -function decodeToJson(payload) { 330 - // covert payload to string. 331 - var str = decodeToString(payload); 332 - 333 - // parse string to JSON 334 - var data = JSON.parse(str); 335 - return data; 336 -} 337 - 338 338 return result; 339 339 {{/code}} 340 340 ... ... @@ -342,19 +342,20 @@ 342 342 Click on the **Add** button. 343 343 344 344 345 -[[image:mqtt-uplink.png||width="500"]] 346 346 218 +[[image:add-downlink-data-converter.png||height="529" width="500"]] 347 347 348 348 349 -You should see that the newly added **MQTT Uplinkconverter**NB/CB is listed on the **Data Converters** page.221 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page. 350 350 351 351 352 -[[image:data-converter-list -showing-uplink-dc.png]]224 +[[image:data-converters-list.png]] 353 353 354 354 355 -= 5. Add Integration = 356 356 228 += 3. Add Integration = 357 357 230 + 358 358 In the left navigation, click **Integrations center**, and then click **Integrations**. 359 359 360 360 ... ... @@ -379,6 +379,7 @@ 379 379 Click **Next** button. 380 380 381 381 255 + 382 382 [[image:add-integration-basic-settings.png||height="511" width="500"]] 383 383 384 384 ... ... @@ -390,41 +390,40 @@ 390 390 Click **Next** button. 391 391 392 392 267 + 393 393 [[image:add-integration-uplink-data-converter.png||height="511" width="500"]] 394 394 395 395 396 396 **Downlink data converter:** 397 397 398 -Dragino NB/CB devices don't require a downlink data converter to decode their payloads, so you can skip this step. 273 +* Click on the **Select existing** button. 274 +* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list. 399 399 400 - *Clickon the**Skip**buttonin the Downlink data converter section.276 +Click **Next** button. 401 401 402 -Click **Skip** button. 403 403 404 404 405 -[[image:integration-dl -skip.png||height="511" width="500"]]280 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]] 406 406 407 407 408 - 409 409 **Connection:** 410 410 411 -* **Host**: Cluster URL (Eg. 011731f7 xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud)285 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud) 412 412 * **Port**: 8883 413 413 * **Credentials**: Basic 414 414 * **Enable SSL**: YES 415 415 * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials) 416 416 * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials) 417 -* **Topic: v1/devices/me/telemetry**(Thetopiccan be anything;you can even use just thedevice name.For example,youcan useyourdevice namehere,suchas S31B-NB.)291 +* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices) 418 418 * **QoS:** 0-At most once 419 419 420 - 421 421 [[image:add-integration-connection.png||height="511" width="500"]] 422 422 423 423 424 424 Click on the **Advanced settings** button. 425 425 426 -* **Clean session:** YES427 -* **Retained**: YES299 +* **Clean session:** NO 300 +* **Retained**: NO 428 428 429 429 [[image:add-integration-connection-advanced-settings.png||height="510" width="500"]] 430 430 ... ... @@ -448,201 +448,17 @@ 448 448 Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.** 449 449 450 450 324 + 451 451 [[image:new-integration-pending.png]] 452 452 453 453 454 -= 6. Verifying the receipt of data fromvirtualdevices=328 += 5. Verifying the receipt of data from the device = 455 455 456 456 457 - ==6.1Howdoesitwork?==331 +On the terminal, issue the following MQTT command which simulates the device S31B-NB. 458 458 459 - 460 -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. 461 - 462 -The Mosquitto client publishes messages (payloads) on the topic **v1/devices/me/telemetry**. Of course, you can use any topic for testing. 463 - 464 -(% 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. 465 - 466 466 {{code language="none"}} 467 - {"IMEI":"S31B-NB","temperature":7, ......}334 +mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}" 468 468 {{/code}} 469 469 470 -Once ThingsBoard receives this message, it automatically creates (provisions) the device mentioned in the **IMEI**, for example, S31B-NB. 471 - 472 - 473 -== 5.2 Sending messages == 474 - 475 - 476 -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. 477 - 478 -{{code language="none"}} 479 -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}' 480 -{{/code}} 481 - 482 -If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission. 483 - 484 - 485 -[[image:integration-active.png]] 486 - 487 - 488 -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**. 489 - 490 - 491 -[[image:new-device.png]] 492 - 493 - 494 -== 6.3 Viewing messages == 495 - 496 - 497 -Go back to the **Integrations** page. 498 - 499 -Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details. 500 - 501 -Click on the **Edit** button (//**pen icon**//). 502 - 503 -Click on the **Disabled** button in the upper-right corner. 504 - 505 -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. 506 - 507 -Click on the **Apply** button. 508 - 509 -Then click on the **Apply changes** (//**tick icon**//) button. 510 - 511 - 512 -[[image:Screenshot 2025-03-18 at 09.23.10.png]] 513 - 514 - 515 -Now go to the **Events** tab. 516 - 517 -Select the Event type as **Debug** from the dropdown list. 518 - 519 -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. 520 - 521 - 522 -[[image:Screenshot 2025-03-16 at 18.38.59.png]] 523 - 524 - 525 -Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window. 526 - 527 - 528 -[[image:Screenshot 2025-03-16 at 18.39.12.png]] 529 - 530 - 531 -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. 532 - 533 - 534 -= 7. Creating a Dashboard = 535 - 536 -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. 537 - 538 - 539 -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. 540 - 541 - 542 -First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg: 543 - 544 -{{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}} 545 - 546 - 547 -In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu. 548 - 549 - 550 -[[image:dashboard-1.png]] 551 - 552 - 553 -In the **Title** text box, enter **NB/CB Test Dashboard** as the title of the dashboard. 554 - 555 -Click on the **Add** button. 556 - 557 - 558 -[[image:dashboard-2.png||height="526" width="500"]] 559 - 560 - 561 -Click on the **Add widget / Add new widget** button. 562 - 563 - 564 -[[image:dashboard-3.png]] 565 - 566 - 567 -In the **Select widgets bundle** window, click **Charts**. 568 - 569 - 570 -[[image:dashboard-4.png||height="537" width="700"]] 571 - 572 - 573 - 574 -In the **Charts: select widget** window, click **Time series chart**. 575 - 576 - 577 -[[image:dashboard-5.png||height="525" width="700"]] 578 - 579 - 580 -Configure the **Time series chart** widget as follows: 581 - 582 -* **Datasource** - select S31B-NB device you provisioned. 583 -* **Series**: 584 -** **temperature** - you can see this key by default. 585 -** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit. 586 -* Click on the **Add** button. 587 - 588 -[[image:timeseries-1.png||height="491" width="700"]] 589 - 590 - 591 -The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner. 592 - 593 -Click the **Save** button to add the widget to the dashboard. 594 - 595 - 596 -[[image:timeseries-3.png||height="347" width="700"]] 597 - 598 - 599 -Now send the following MQTT messages from the terminal to simulate the data. 600 - 601 - 602 -{{code language="none"}} 603 -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}' 604 - 605 -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}' 606 - 607 -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}' 608 - 609 -{{/code}} 610 - 611 -The chart will update with the values in realtime, as shown in the below image. 612 - 613 - 614 -[[image:timeseries-4.png||height="316" width="700"]] 615 - 616 - 617 -= 8. Configure NB-IoT Sensor = 618 - 619 - 620 -Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **TS01-NB**. 621 - 622 -First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use. 623 - 624 - 625 -**AT Commands** 626 - 627 -* **AT+PRO=3,3 **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3. 628 -* **AT+SUBTOPIC=<MQTT subscribe topic> Eg: TS01-NB** 629 -* **AT+PUBTOPIC=<MQTT publish topic> Eg: TS01-NB** 630 -* **AT+CLIENT=null** 631 -* **AT+UNAME=<MQTT Username>** 632 -* **AT+PWD=<MQTT Password>** 633 -* **AT+SERVADDR=<Broker address, Port>** 634 - 635 -Test your uplink by pressing the ACT button for 1 second. 636 - 637 - 638 - 639 -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**. 640 - 641 -{{info}} 642 -The ThingsBoard uses the device's IMEI number included in the payload to create a device in the Devices section. 643 -{{/info}} 644 - 645 -[[image:image-4.png]] 646 - 647 - 648 - 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.
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