Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -164,141 +164,240 @@ 164 164 [[image:ins1.png||height="310" width="500"]] 165 165 166 166 167 -= 3. CreatingDevices =167 += 3. Data Converters = 168 168 169 169 170 - First,youneed tocreate devices inThingsBoardtorepresentyourphysicaldevices. For example,youcannameit**DeviceA**, andheseconddevicecould be **Device B**oranyname youprefer.Thedevicenameshouldbeuniquewithinthe **Devices** space.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. 171 171 172 172 173 - Intheleft navigation, clickEntities -> Devices.173 +== 3.1 Uplink == 174 174 175 -Click the **Add Device** button (the button with the **+** sign), and from the dropdown menu, click **Add new device**. 176 176 177 -In the **Addnewdevice** dialog box,enterhe deviceamein theName**textbox. Forxample, we will use**Device A**.176 +In the left navigation, click **Integrations center**, and then click **Data converters**. 178 178 179 -Click the **Add** button. 180 180 181 - Skip the**connectivity testing** by clickingthe**Close** button.179 +[[image:data-converters-list-empty.png]] 182 182 183 -The device is created and listed on the **Devices** page. Note that its initial state is **Inactive** because it has not received any data yet. 184 184 182 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 185 185 186 -= 4. Data Converters = 187 187 188 188 189 - In **ThingsBoard**, **Data Converters**are components used to transform incoming or outgoing data between different formats, typically toconvertraw telemetry data fromdevices into a structured format thatThingsBoardcan understand, or vice versa.186 +[[image:create-new-converter-menu.png||height="259" width="500"]] 190 190 191 191 192 - ==4.1Uplink==189 +The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**. 193 193 191 +Click on the **JavaScript** button. 194 194 195 - Intheleft navigation,click**Integrationscenter**,andthenclick**Dataconverters**.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. 196 196 197 197 198 -[[image:data-converters-list-empty.png]] 196 +{{code language="JavaScript"}} 197 +//Version: 0.1 198 +// decode payload to string 199 +var payloadStr = decodeToString(payload); 199 199 201 +// 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(); 200 200 201 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 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])); 202 202 220 + } 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 +} 288 +var result = { 203 203 290 + deviceName: deviceName, 291 + deviceType: modelname, 292 + attributes: { 293 + model: modelname, 294 + //customerName: "NB-CB", 295 + //groupName: "NB-CB", 296 + //integrationName: metadata['integrationName'] 204 204 205 -[[image:create-new-converter-menu.png||height="259" width="500"]] 298 + }, 299 + telemetry: listdata 300 +} 206 206 302 +function decodeToString(payload) { 303 + return String.fromCharCode.apply(String, payload); 304 +} 207 207 208 -The **Add data converter** window will appear. 306 +function decodeToJson(payload) { 307 + // covert payload to string. 308 + var str = decodeToString(payload); 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**. 310 + // parse string to JSON 311 + var data = JSON.parse(str); 312 + return data; 313 +} 211 211 212 -Click on the **TBEL** button if it has not been selected by default. 315 +return result; 316 +{{/code}} 213 213 214 -Modify the default TBEL function to match with your device as described below: 215 215 319 +Click on the **Add** button. 216 216 217 -* Uncomment** line 11**: 218 218 219 - //var data = decodeToJson(payload)//322 +[[image:mqtt-uplink.png||width="500"]] 220 220 221 221 222 -* **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. 224 224 225 -//telemetry: { 226 - temperature: data.temperature, 227 - humidity: data.humidity, 228 - rawData: payloadStr 229 - }// 326 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page. 230 230 231 231 232 - The modifieduplink decoderfunction to match with **Device A** isbelow.329 +[[image:data-converter-list-showing-uplink-dc.png]] 233 233 331 + 332 +== 3.2 Downlink == 333 + 334 + 335 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 336 + 337 + 338 +[[image:create-new-converter-menu.png||width="500"]] 339 + 340 + 341 + 342 +The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**. 343 + 344 +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. 345 + 346 + 234 234 {{code language="JavaScript"}} 235 -// Decode an uplink message from a buffer 236 -// payload - array of bytes 237 -// metadata - key/value object 348 +// Encode downlink data from incoming Rule Engine message 238 238 239 -/** Decoder **/ 350 +// msg - JSON message payload downlink message json 351 +// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc. 352 +// metadata - list of key-value pairs with additional data about the message 353 +// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter 240 240 241 -// decode payload to string 242 -var payloadStr = decodeToString(payload); 355 +/** Encoder **/ 243 243 244 -// decode payload to JSON 245 -var data = decodeToJson(payload); 357 +var data = {}; 246 246 247 -var deviceName = 'Device A'; 248 -var deviceType = 'thermostat'; 249 -var customerName = 'Customer C'; 250 -var groupName = 'thermostat devices'; 251 -var manufacturer = 'Example corporation'; 252 -// use assetName and assetType instead of deviceName and deviceType 253 -// to automatically create assets instead of devices. 254 -// var assetName = 'Asset A'; 255 -// var assetType = 'building'; 359 +// Process data from incoming message and metadata 256 256 257 -// Result object with device/asset attributes/telemetry data 361 +data.tempFreq = msg.temperatureUploadFrequency; 362 +data.humFreq = msg.humidityUploadFrequency; 363 + 364 +data.devSerialNumber = metadata['ss_serialNumber']; 365 + 366 +// Result object with encoded downlink payload 258 258 var result = { 259 -// Use deviceName and deviceType or assetName and assetType, but not both. 260 - deviceName: deviceName, 261 - deviceType: deviceType, 262 -// assetName: assetName, 263 -// assetType: assetType, 264 -// customerName: customerName, 265 - groupName: groupName, 266 - attributes: { 267 - model: 'Model A', 268 - serialNumber: 'SN111', 269 - integrationName: metadata['integrationName'], 270 - manufacturer: manufacturer 271 - }, 272 - telemetry: { 273 - temperature: data.temperature, 274 - humidity: data.humidity, 275 - rawData: payloadStr 276 - } 277 -}; 278 278 279 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/ 369 + // downlink data content type: JSON, TEXT or BINARY (base64 format) 370 + contentType: "JSON", 280 280 281 - returnresult;282 - {{/code}}372 + // downlink data 373 + data: JSON.stringify(data), 283 283 375 + // Optional metadata object presented in key/value format 376 + metadata: { 377 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload' 378 + } 284 284 285 - Once you modify the decoder function, click on the **Add** button.380 +}; 286 286 382 +return result; 383 +{{/code}} 287 287 288 288 289 - [[image:ul-data-converter-device-a.png||height="524"width="500"]]386 +Click on the **Add** button. 290 290 291 291 292 - You should see that thenewlyadded**MQTT Uplink converter **NB/CB islisted onthe **DataConverters**page.389 +[[image:add-downlink-data-converter.png||height="529" width="500"]] 293 293 294 294 295 - [[image:ul-data-converter-added.png||height="257"]]392 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page. 296 296 297 297 395 +[[image:data-converters-list.png]] 298 298 299 -= 5. Add Integration = 300 300 398 += 4. Add Integration = 301 301 400 + 302 302 In the left navigation, click **Integrations center**, and then click **Integrations**. 303 303 304 304 ... ... @@ -316,7 +316,7 @@ 316 316 **Basic settings:** 317 317 318 318 * **Integration type**: MQTT 319 -* **Name**: MQTT integration - Device A418 +* **Name**: MQTT integration NB/CB 320 320 * **Enable integration**: YES 321 321 * **Allows create devices or assets**: YES 322 322 ... ... @@ -323,11 +323,9 @@ 323 323 Click **Next** button. 324 324 325 325 326 -[[image:add-integration-basic-settings.png||height="5 04" width="500"]]425 +[[image:add-integration-basic-settings.png||height="511" width="500"]] 327 327 328 328 329 - 330 - 331 331 **Uplink data converter:** 332 332 333 333 * Click on the **Select existing** button. ... ... @@ -336,38 +336,34 @@ 336 336 Click **Next** button. 337 337 338 338 339 -[[image:add-integration-ul-data-converter.png||height="5 05" width="500"]]436 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]] 340 340 341 341 342 - 343 343 **Downlink data converter:** 344 344 345 -Dragino NB/CB devices don't require a downlink data converter to decode their payloads, so you can skip this step. 441 +* Click on the **Select existing** button. 442 +* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list. 346 346 347 - *Clickon the**Skip**buttonin the Downlink data converter section.444 +Click **Next** button. 348 348 349 -Click **Skip** button. 350 350 447 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]] 351 351 352 -[[image:integration-dl-skip.png||height="511" width="500"]] 353 353 354 - 355 - 356 356 **Connection:** 357 357 358 -* **Host**: Host**//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**)452 +* **Host**: Cluster URL (Eg. 011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud) 359 359 * **Port**: 8883 360 -* **Credentials type**: Basic 454 +* **Credentials**: Basic 455 +* **Enable SSL**: YES 361 361 * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials) 362 362 * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials) 363 -* **Enable SSL**: YES 364 -* **Topic: device/a** (The topic can be anything; you can even use just the device name.) 458 +* **Topic: v1/devices/+/telemetry** (the + replaces any 'device name' will create a device in the Entities -> Devices) 365 365 * **QoS:** 0-At most once 366 366 461 +[[image:add-integration-connection.png||height="511" width="500"]] 367 367 368 -[[image:add-integartion-connection.png||height="505" width="500"]] 369 369 370 - 371 371 Click on the **Advanced settings** button. 372 372 373 373 * **Clean session:** YES ... ... @@ -395,36 +395,36 @@ 395 395 Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.** 396 396 397 397 398 -[[image:integration-added.png]] 399 399 492 +[[image:new-integration-pending.png]] 400 400 401 401 402 -= 6. Verifying the receipt of data from virtual devices =495 += 5. Verifying the receipt of data from virtual devices = 403 403 404 404 405 -== 6.1 How does it work? ==498 +== 5.1 How does it work? == 406 406 407 407 408 408 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. 409 409 410 -The Mosquitto client publishes messages (payloads) on the topic **/device/ a**. Of course, you can use any topic for testing.503 +The Mosquitto client publishes messages (payloads) on the topic **v1/devices/me/telemetry**. Of course, you can use any topic for testing. 411 411 412 -(% id="cke_bm_37386S" style="display:none" %) (%%)The MQTT payload format is as follows :505 +(% 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. 413 413 414 414 {{code language="none"}} 415 -{"IMEI": "3 50693903995577", "temperature":25,"humidity":80, "pressure":1005}508 +{"IMEI": "S31B-NB", "temperature": 27, ......} 416 416 {{/code}} 417 417 418 -Once ThingsBoard receives this message, it forwardsthis payloadto thematchingdevice through the integration.511 +Once ThingsBoard receives this message, it automatically creates (provisions) the device mentioned in the **IMEI**, for example, S31B-NB. 419 419 420 420 421 421 == 5.2 Sending messages == 422 422 423 423 424 -On your computer'sterminal, issue the following MQTT command which simulates the device'**Device A'**. The message payload contains the fieldsIMEI,temperature,humidity,and pressure,which hold the values 350693903995577,30, 80,and1005respectively. This payload is also (technically) known as telemetry.517 +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. 425 425 426 426 {{code language="none"}} 427 -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}'520 +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}' 428 428 {{/code}} 429 429 430 430 If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission. ... ... @@ -433,59 +433,37 @@ 433 433 [[image:integration-active.png]] 434 434 435 435 436 - ==6.3Viewingmessages==529 +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**. 437 437 438 438 439 - Go back to the**Integrations** page.532 +[[image:new-device.png]] 440 440 441 -Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details. 442 442 443 -Click on the ** Edit** button(//**pen icon**//).535 +Click on the **MQTT integration NB/CB **list in the **Integrations** page to see its details. 444 444 445 - Click on the**Disabled**buttonintheupper-right corner.537 +Then go to the **Events** tab. 446 446 447 - Turnonthe **All messages(15 min)** option. This willenabledisplayingallmessagesin the **Events** tab. This setting will expire in 15 minutes, andyouwill need to repeat thesamestepsifyou want to view themessagesintheEventstablater.539 +You can see the uplink message you sent from the MQTT broker. 448 448 449 -Click on the **Apply** button. 450 450 451 - Then click on the **Apply changes** (//**tickicon**//)button.542 +[[image:Screenshot 2025-03-16 at 18.38.59.png]] 452 452 453 453 454 -[[image:debug-enabled.png||height="301" width="700"]] 455 455 456 456 547 +Now click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window. 457 457 458 458 459 - Nowgo to the**Events**tab.550 +[[image:Screenshot 2025-03-16 at 18.39.12.png]] 460 460 461 -Select the **Event type** as **Debug** from the dropdown list. 462 462 463 -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: 464 464 465 -{{code language="none"}} 466 -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}' 467 -{{/code}} 468 - 469 -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. 470 - 471 - 472 -[[image:Screenshot 2025-03-26 at 19.49.31.png]] 473 - 474 - 475 - 476 -Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window. 477 - 478 - 479 -[[image:Screenshot 2025-03-26 at 19.47.52.png]] 480 - 481 - 482 - 483 - 484 484 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. 485 485 486 486 487 -= 7. Creating a Dashboard = 488 488 558 += 6. Creating a Dashboard = 559 + 489 489 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. 490 490 491 491 ... ... @@ -492,11 +492,6 @@ 492 492 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. 493 493 494 494 495 -First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg: 496 - 497 -{{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}} 498 - 499 - 500 500 In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu. 501 501 502 502 ... ... @@ -553,11 +553,11 @@ 553 553 554 554 555 555 {{code language="none"}} 556 -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":2, "humidity":70}'622 +mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":20, "humidity":70}' 557 557 558 -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":7, "humidity":72}'624 +mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":22, "humidity":71}' 559 559 560 -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":9, "humidity":80}'626 +mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":18, "humidity":79}' 561 561 562 562 {{/code}} 563 563 ... ... @@ -567,10 +567,10 @@ 567 567 [[image:timeseries-4.png||height="316" width="700"]] 568 568 569 569 570 -= 8. Configure NB-IoT Sensor =636 += 7. Configure NB-IoT Sensor = 571 571 572 572 573 -Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the ** TS01-NB**.639 +Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**. 574 574 575 575 First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use. 576 576 ... ... @@ -578,8 +578,8 @@ 578 578 **AT Commands** 579 579 580 580 * **AT+PRO=3,3 **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3. 581 -* **AT+SUBTOPIC=<MQTT subscribetopic>Eg: TS01-NB**582 -* **AT+PUBTOPIC=<MQTT publishtopic>Eg: TS01-NB**647 +* **AT+SUBTOPIC=<MQTT topic>** 648 +* **AT+PUBTOPIC=<MQTT topic>** 583 583 * **AT+CLIENT=null** 584 584 * **AT+UNAME=<MQTT Username>** 585 585 * **AT+PWD=<MQTT Password>** ... ... @@ -586,13 +586,3 @@ 586 586 * **AT+SERVADDR=<Broker address, Port>** 587 587 588 588 Test your uplink by pressing the ACT button for 1 second. 589 - 590 - 591 - 592 -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**. 593 - 594 -{{info}} 595 -The ThingsBoard uses the device's IMEI number included in the payload to create a device in the Devices section. 596 -{{/info}} 597 - 598 -[[image:image-4.png]]
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