Last modified by Mengting Qiu on 2025/03/08 11:33
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... ... @@ -303,7 +303,7 @@ 303 303 304 304 (% style="color:blue" %)**Subscribe** 305 305 306 -Data is published according to the following structure: (% style="color:blue" %)**dtck~/~//**(%%)****306 +Data is published according to the following structure: **dtck~/~// ** 307 307 308 308 Subscribe to topics using this structure to receive messages via MQTT when readings (via API or MQTT) arrive in the Datacake Cloud. Messages are published whenever there is a change to a corresponding database field. 309 309 ... ... @@ -352,10 +352,8 @@ 352 352 353 353 === 3.5.1 Configure Node-Red === 354 354 355 - 356 356 [[image:image-20230802112413-29.png]] 357 357 358 - 359 359 [[image:image-20230802112413-30.png]] 360 360 361 361 ... ... @@ -368,7 +368,7 @@ 368 368 === 3.5.3 Configure NB-IoT Sensors === 369 369 370 370 371 -* (% style="color:blue" %)**AT+PRO=3,0(hex format) or 3,5(json format)**(%%) ~/~/ 369 +* (% style="color:blue" %)**AT+PRO=3,0(hex format) or 3,5(json format)**(%%) ~/~/Set to mqtt Server and Payload 372 372 373 373 * (% style="color:blue" %)**AT+CLIENT=any value** 374 374 ... ... @@ -380,8 +380,6 @@ 380 380 381 381 * (% style="color:blue" %)**AT+SUBTOPIC=any value** 382 382 383 - 384 - 385 385 == 3.6 ThingsBoard.Cloud (via MQTT) == 386 386 387 387 === 3.6.1 Configure ThingsBoard === ... ... @@ -388,7 +388,6 @@ 388 388 389 389 ==== 3.6.1.1 Create Device ==== 390 390 391 - 392 392 Create a New Device in [[ThingsBoard>>url:https://thingsboard.cloud/]]. 393 393 394 394 [[image:image-20230802112413-32.png]] ... ... @@ -396,14 +396,13 @@ 396 396 397 397 ==== 3.6.1.2 Create Uplink & Downlink Converter ==== 398 398 399 - 400 400 (% style="color:blue" %)**Uplink Converter** 401 401 402 402 The purpose of the decoder function is to parse the incoming data and metadata to a format that ThingsBoard can consume. deviceName and deviceType are required, while attributes and telemetry are optional. Attributes and telemetry are flat key-value objects. Nested objects are not supported. 403 403 404 -To create an uplink converter go to the **Integrations center**->**Data converters**page and click**“plus”**button. Name it**“MQTT Uplink Converter”**and select type"**Uplink"**. Use debug mode for now.398 +To create an uplink converter go to the Integrations center -> Data converters page and click “plus” button. Name it “MQTT Uplink Converter” and select type Uplink. Use debug mode for now. 405 405 406 -[[image:image-20230802112413-33.png ||height="732" width="1302"]]400 +[[image:image-20230802112413-33.png]] 407 407 408 408 409 409 (% style="color:blue" %)**Downlink Converter** ... ... @@ -410,7 +410,7 @@ 410 410 411 411 The Downlink converter transforming outgoing RPC message and then the Integration sends it to external MQTT broke 412 412 413 -[[image:image-20230802112413-34.png ||height="734" width="1305"]]407 +[[image:image-20230802112413-34.png]] 414 414 415 415 (% style="color:red" %)**Note:Our device payload is already human readable data. Therefore, users do not need to write decoders. Simply create by default.** 416 416 ... ... @@ -418,16 +418,15 @@ 418 418 ==== 3.6.1.3 MQTT Integration Setup ==== 419 419 420 420 421 -Go to the **Integrations center**->**Integrations page**and click **“plus”** icon to add a new integration. Name it**“MQTT Integration”**, select type MQTT;415 +Go to the Integrations center -> Integrations page and click **“plus”** icon to add a new integration. Name it “MQTT Integration”, select type MQTT; 422 422 423 -[[image:image-20230802112413-35.png ||height="738" width="1312"]]417 +[[image:image-20230802112413-35.png]] 424 424 425 - 426 426 * The next steps is to add the recently created uplink and downlink converters; 427 427 428 -[[image:image-20230802112413-36.png ||height="736" width="1308"]]421 +[[image:image-20230802112413-36.png]] 429 429 430 -[[image:image-20230802112413-37.png ||height="735" width="1307"]]423 +[[image:image-20230802112413-37.png]] 431 431 432 432 (% style="color:blue" %)**Add a topic filter:** 433 433 ... ... @@ -436,12 +436,11 @@ 436 436 437 437 You can also select an MQTT QoS level. We use MQTT QoS level 0 (At most once) by default; 438 438 439 -[[image:image-20230802112413-38.png ||height="731" width="1300"]]432 +[[image:image-20230802112413-38.png]] 440 440 441 441 442 442 === 3.6.2 Simulate with MQTT.fx === 443 443 444 - 445 445 [[image:image-20230802112413-39.png]] 446 446 447 447 [[image:image-20230802112413-40.png]]