Last modified by Mengting Qiu on 2025/03/08 11:33
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... ... @@ -125,8 +125,11 @@ 125 125 126 126 * (% style="color:#037691" %)**Password:**(%%) <Your ThingSpeak MQTT Password> 127 127 128 -=== 3.3.2.2 Publish Data to ThingSpeak Channel === 129 129 129 + 130 +==== 3.3.2.2 Publish Data to ThingSpeak Channel ==== 131 + 132 + 130 130 [[image:image-20230802112413-9.png]] 131 131 132 132 [[image:image-20230802112413-10.png]] ... ... @@ -145,9 +145,9 @@ 145 145 [[image:image-20230802112413-11.png]] 146 146 147 147 148 -== 3.3 151 +=== 3.3.3 Configure NB-IoT Sensor for connection === 149 149 150 -=== 3.3.1 AT Commands: === 153 +==== 3.3.3.1 AT Commands: ==== 151 151 152 152 153 153 In the NB-IoT, we can run below commands so to publish the channels like MQTT.fx ... ... @@ -165,7 +165,7 @@ 165 165 * (% style="color:blue" %)**AT+SUBTOPIC=<YOUR_CHANNEL_ID>** 166 166 167 167 168 -=== 3.3.2 Uplink Examples === 171 +==== 3.3.3.2 Uplink Examples ==== 169 169 170 170 171 171 For S31-NB ... ... @@ -193,7 +193,7 @@ 193 193 For SN50V3-NB 194 194 195 195 196 -=== 3.3.3 199 +==== 3.3.3.3 Map fields to sensor value ==== 197 197 198 198 199 199 When NB-IoT sensor upload to ThingSpeak. The payload already specify which fileds related to which sensor value. Use need to create fileds in Channels Settings. with name so to see the value correctly. ... ... @@ -229,7 +229,7 @@ 229 229 230 230 == 3.4 Datacake == 231 231 232 -== 3.4.1 Define Product == 235 +=== 3.4.1 Define Product === 233 233 234 234 235 235 Firstly, we need to set the MQTT mode to datacake, and we need to run(% style="color:blue" %)** AT+PRO=3,2**(%%). This command is set to datacake. After running the command, the device automatically sets the server address, port. ... ... @@ -244,7 +244,7 @@ 244 244 245 245 In the second step you have to define the device which should be added to the product. 246 246 247 -[[image:image-20230802112413-15.png]] 250 +[[image:image-20230802112413-15.png||height="859" width="1290"]] 248 248 249 249 Enter a name here (such as "My First MQTT Device") and complete the creation of the device by clicking on the (% style="color:blue" %)**"Next"**(%%) button. 250 250 ... ... @@ -256,15 +256,15 @@ 256 256 257 257 You will then see a device view with an empty dashboard. Now, the first thing we want to do is navigate to the Device configuration. To do this, use the tab bar and click on (% style="color:blue" %)**"Configuration"**. 258 258 259 -[[image:image-20230802112413-16.png]] 262 +[[image:image-20230802112413-16.png||height="495" width="1310"]] 260 260 261 -[[image:image-20230802112413-17.png]] 264 +[[image:image-20230802112413-17.png||height="741" width="1303"]] 262 262 263 263 To create a first database field, please click on the (% style="color:blue" %)**"Add Field"**(%%) button as marked in the screenshot above. 264 264 265 265 This will open another modal asking for some required input for your first field. 266 266 267 -[[image:image-20230802112413-18.png]] 270 +[[image:image-20230802112413-18.png||height="878" width="1305"]] 268 268 269 269 [[image:image-20230802112413-19.png]] 270 270 ... ... @@ -300,10 +300,8 @@ 300 300 301 301 (% style="color:blue" %)**Subscribe** 302 302 303 -Data is published according to the following structure: 306 +Data is published according to the following structure: (% style="color:blue" %)**dtck~/~//**(%%)** ** 304 304 305 -dtck~/~// 306 - 307 307 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. 308 308 309 309 ... ... @@ -330,10 +330,8 @@ 330 330 331 331 To upload data into the Datacake Cloud and into a specific device, you publish the data to the respective topic structure. 332 332 333 -Due to the nature of MQTT, the topic prefix differs as follows: 334 +Due to the nature of MQTT, the topic prefix differs as follows: (% style="color:blue" %)**dtck-pub~/~//** 334 334 335 -dtck-pub~/~// 336 - 337 337 (% style="color:blue" %)**example:** 338 338 339 339 AT+SUBTOPIC=dtck/nbmattest/936c0db6-e9a5-4353-9fdb-3f63c8bfce7e/Temperature ... ... @@ -353,8 +353,10 @@ 353 353 354 354 === 3.5.1 Configure Node-Red === 355 355 355 + 356 356 [[image:image-20230802112413-29.png]] 357 357 358 + 358 358 [[image:image-20230802112413-30.png]] 359 359 360 360 ... ... @@ -367,7 +367,7 @@ 367 367 === 3.5.3 Configure NB-IoT Sensors === 368 368 369 369 370 -* (% style="color:blue" %)**AT+PRO=3,0(hex format) or 3,5(json format)**(%%) ~/~/Set to mqtt Server and Payload 371 +* (% style="color:blue" %)**AT+PRO=3,0(hex format) or 3,5(json format)**(%%) ~/~/ Set to mqtt Server and Payload 371 371 372 372 * (% style="color:blue" %)**AT+CLIENT=any value** 373 373 ... ... @@ -379,6 +379,8 @@ 379 379 380 380 * (% style="color:blue" %)**AT+SUBTOPIC=any value** 381 381 383 + 384 + 382 382 == 3.6 ThingsBoard.Cloud (via MQTT) == 383 383 384 384 === 3.6.1 Configure ThingsBoard === ... ... @@ -385,6 +385,7 @@ 385 385 386 386 ==== 3.6.1.1 Create Device ==== 387 387 391 + 388 388 Create a New Device in [[ThingsBoard>>url:https://thingsboard.cloud/]]. 389 389 390 390 [[image:image-20230802112413-32.png]] ... ... @@ -392,13 +392,14 @@ 392 392 393 393 ==== 3.6.1.2 Create Uplink & Downlink Converter ==== 394 394 399 + 395 395 (% style="color:blue" %)**Uplink Converter** 396 396 397 397 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. 398 398 399 -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 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. 400 400 401 -[[image:image-20230802112413-33.png]] 406 +[[image:image-20230802112413-33.png||height="732" width="1302"]] 402 402 403 403 404 404 (% style="color:blue" %)**Downlink Converter** ... ... @@ -405,7 +405,7 @@ 405 405 406 406 The Downlink converter transforming outgoing RPC message and then the Integration sends it to external MQTT broke 407 407 408 -[[image:image-20230802112413-34.png]] 413 +[[image:image-20230802112413-34.png||height="734" width="1305"]] 409 409 410 410 (% style="color:red" %)**Note:Our device payload is already human readable data. Therefore, users do not need to write decoders. Simply create by default.** 411 411 ... ... @@ -413,15 +413,16 @@ 413 413 ==== 3.6.1.3 MQTT Integration Setup ==== 414 414 415 415 416 -Go to the Integrations center -> Integrations page and click **“plus”** icon to add a new integration. Name it “MQTT Integration”, select type MQTT; 421 +Go to the **Integrations center** -> **Integrations page** and click **“plus”** icon to add a new integration. Name it **“MQTT Integration”**, select type MQTT; 417 417 418 -[[image:image-20230802112413-35.png]] 423 +[[image:image-20230802112413-35.png||height="738" width="1312"]] 419 419 425 + 420 420 * The next steps is to add the recently created uplink and downlink converters; 421 421 422 -[[image:image-20230802112413-36.png]] 428 +[[image:image-20230802112413-36.png||height="736" width="1308"]] 423 423 424 -[[image:image-20230802112413-37.png]] 430 +[[image:image-20230802112413-37.png||height="735" width="1307"]] 425 425 426 426 (% style="color:blue" %)**Add a topic filter:** 427 427 ... ... @@ -430,11 +430,12 @@ 430 430 431 431 You can also select an MQTT QoS level. We use MQTT QoS level 0 (At most once) by default; 432 432 433 -[[image:image-20230802112413-38.png]] 439 +[[image:image-20230802112413-38.png||height="731" width="1300"]] 434 434 435 435 436 436 === 3.6.2 Simulate with MQTT.fx === 437 437 444 + 438 438 [[image:image-20230802112413-39.png]] 439 439 440 440 [[image:image-20230802112413-40.png]]