Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -329,10 +329,72 @@ 329 329 [[image:data-converter-list-showing-uplink-dc.png]] 330 330 331 331 332 +== 3.2 Downlink == 332 332 333 333 335 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 334 334 335 335 338 +[[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 + 347 +{{code language="JavaScript"}} 348 +// Encode downlink data from incoming Rule Engine message 349 + 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 354 + 355 +/** Encoder **/ 356 + 357 +var data = {}; 358 + 359 +// Process data from incoming message and metadata 360 + 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 367 +var result = { 368 + 369 + // downlink data content type: JSON, TEXT or BINARY (base64 format) 370 + contentType: "JSON", 371 + 372 + // downlink data 373 + data: JSON.stringify(data), 374 + 375 + // Optional metadata object presented in key/value format 376 + metadata: { 377 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload' 378 + } 379 + 380 +}; 381 + 382 +return result; 383 +{{/code}} 384 + 385 + 386 +Click on the **Add** button. 387 + 388 + 389 +[[image:add-downlink-data-converter.png||height="529" width="500"]] 390 + 391 + 392 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page. 393 + 394 + 395 +[[image:data-converters-list.png]] 396 + 397 + 336 336 = 4. Add Integration = 337 337 338 338 ... ... @@ -470,46 +470,29 @@ 470 470 [[image:new-device.png]] 471 471 472 472 473 - ==5.3Viewingmessages==535 +Click on the **MQTT integration NB/CB **list in the **Integrations** page to see its details. 474 474 537 +Then go to the **Events** tab. 475 475 476 - Gobacktothe**Integrations**page.539 +You can see the uplink message you sent from the MQTT broker. 477 477 478 -Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details. 479 479 480 - Click onthe **Edit**button(//**penicon**//).542 +[[image:Screenshot 2025-03-16 at 18.38.59.png]] 481 481 482 -Click on the **Disabled** button in the upper-right corner. 483 483 484 -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. 485 485 486 -Click on the **Apply** button. 487 487 488 - Thenclick on the **Applychanges**(//**tickicon**//)button.547 +Now click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window. 489 489 490 490 491 -[[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 - 507 507 [[image:Screenshot 2025-03-16 at 18.39.12.png]] 508 508 509 509 553 + 510 510 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. 511 511 512 512 557 + 513 513 = 6. Creating a Dashboard = 514 514 515 515 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. ... ... @@ -518,11 +518,6 @@ 518 518 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. 519 519 520 520 521 -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 - 526 526 In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu. 527 527 528 528 ... ... @@ -579,11 +579,11 @@ 579 579 580 580 581 581 {{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":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}' 583 583 584 -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":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}' 585 585 586 -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":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}' 587 587 588 588 {{/code}} 589 589 ... ... @@ -604,8 +604,8 @@ 604 604 **AT Commands** 605 605 606 606 * **AT+PRO=3,3 **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3. 607 -* **AT+SUBTOPIC=<MQTT subscribetopic>608 -* **AT+PUBTOPIC=<MQTT publishtopic>Eg: TS01-NB**647 +* **AT+SUBTOPIC=<MQTT topic>** 648 +* **AT+PUBTOPIC=<MQTT topic>** 609 609 * **AT+CLIENT=null** 610 610 * **AT+UNAME=<MQTT Username>** 611 611 * **AT+PWD=<MQTT Password>** ... ... @@ -612,11 +612,3 @@ 612 612 * **AT+SERVADDR=<Broker address, Port>** 613 613 614 614 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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