Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -164,15 +164,12 @@ 164 164 [[image:ins1.png||height="310" width="500"]] 165 165 166 166 167 - 168 168 = 3. Data Converters = 169 169 170 170 171 171 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. 172 172 173 -**In this section, you will create a universal uplink data converter for all Dragino NB-IoT devices. The uplink decoder converts any MQTT message coming from a device into key-value pairs that can be used to display and visualize data using various widgets on the dashboard**. 174 174 175 - 176 176 == 3.1 Uplink == 177 177 178 178 ... ... @@ -182,7 +182,7 @@ 182 182 [[image:data-converters-list-empty.png]] 183 183 184 184 185 -On the **Data converters** page, click on the ‘**+**’ button, and then click on 182 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 186 186 187 187 188 188 ... ... @@ -189,75 +189,140 @@ 189 189 [[image:create-new-converter-menu.png||height="259" width="500"]] 190 190 191 191 192 -The **Add data converter** window appears. 189 +The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**. 193 193 194 - Name it ‘**MQTT UplinkConverter**’and selecttheType as**Uplink**.191 +Click on the **JavaScript** button. 195 195 196 - Clickonthe**TBEL** button ifithasnotbeenselectedbydefault.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. 197 197 198 -Replace the default TBEL decoder function with the following universal TBEL decoder function, which decodes MQTT payload from any Dragino NB-IoT device. 199 199 200 - 201 201 {{code language="JavaScript"}} 197 +//Version: 0.1 198 +// decode payload to string 199 +var payloadStr = decodeToString(payload); 200 + 202 202 // decode payload to JSON 203 -var pattern = "yyyy/MM/dd HH:mm:ss"; 204 204 var objdata = {}; 205 205 var obj1 = {}; 206 206 var data = decodeToJson(payload); 207 207 var deviceName = data.IMEI; 208 -data. remove("IMEI");209 -var modelname = "Dragino "+ data.Model; 206 +delete data.IMEI; 207 +var modelname = "Dragino " + data.Model; 210 210 //var mod = data.mod 211 -data. remove("Model");209 +delete data.Model; 212 212 //delete data.mod 213 213 var timestamp = new Date().getTime(); 214 - foreach (entry: data.entrySet()) {215 - = entry.getKey();216 - var value = entry.getValue();217 - //objdata[key] = data[key]218 - if(key.matches("^-?\\d+$")){ //is number219 - obj1[key] =data[key];220 - varindex=obj1[key].length-1;221 - obj1[key][index]=new Date(obj1[key][index],pattern).getTime();212 + 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])); 219 + 222 222 } 223 - else if (key==="bat"||key==="BAT"){ 224 - objdata["battery"] = data[key]; 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]; 225 225 } 226 - else{ 227 - objdata[key] = data[key]; 228 -}} 229 -var listdata = [{"ts":timestamp,"values":objdata}]; 230 -foreach ( entry1: obj1.entrySet()){ 231 - var key1 = entry1.getKey(); 232 - var value1 = entry1.getValue(); 233 - var index = obj1[key1].length-1; 234 - var ts = obj1[key1][index]; 235 - if (modelname=="Dragino RS485-NB"){ 236 - listdata.push({"ts":ts,"values":{"Payload":obj1[key1][0]}}); 262 +//Alec submitted25/02/25 263 + else { 264 + objdata[key] = data[key] 237 237 } 238 - else{ 239 - listdata.push({"ts":ts,"values":{"values":obj1[key1]}}); 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 + }) 240 240 } 241 241 } 242 - var result = { 288 +var result = { 289 + 243 243 deviceName: deviceName, 244 244 deviceType: modelname, 245 245 attributes: { 246 - model: modelname 293 + model: modelname, 247 247 //customerName: "NB-CB", 248 248 //groupName: "NB-CB", 249 249 //integrationName: metadata['integrationName'] 297 + 250 250 }, 251 251 telemetry: listdata 252 -}; 300 +} 301 + 302 +function decodeToString(payload) { 303 + return String.fromCharCode.apply(String, payload); 304 +} 305 + 306 +function decodeToJson(payload) { 307 + // covert payload to string. 308 + var str = decodeToString(payload); 309 + 310 + // parse string to JSON 311 + var data = JSON.parse(str); 312 + return data; 313 +} 314 + 253 253 return result; 254 254 {{/code}} 255 255 256 256 257 - Once you modify the decoder function, click on the **Add** button.319 +Click on the **Add** button. 258 258 259 259 260 -[[image:mqtt-uplink -converter.png||height="498"width="500"]]322 +[[image:mqtt-uplink.png||width="500"]] 261 261 262 262 263 263 ... ... @@ -264,7 +264,72 @@ 264 264 You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page. 265 265 266 266 329 +[[image:data-converter-list-showing-uplink-dc.png]] 267 267 331 + 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 + 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 + 268 268 [[image:data-converters-list.png]] 269 269 270 270 ... ... @@ -288,17 +288,16 @@ 288 288 **Basic settings:** 289 289 290 290 * **Integration type**: MQTT 291 -* **Name**: MQTT integration 418 +* **Name**: MQTT integration NB/CB 292 292 * **Enable integration**: YES 293 -* **Allow create devices or assets**: YES 420 +* **Allows create devices or assets**: YES 294 294 295 295 Click **Next** button. 296 296 297 297 425 +[[image:add-integration-basic-settings.png||height="511" width="500"]] 298 298 299 -[[image:add-integration-part-1.png||height="483" width="500"]] 300 300 301 - 302 302 **Uplink data converter:** 303 303 304 304 * Click on the **Select existing** button. ... ... @@ -307,39 +307,34 @@ 307 307 Click **Next** button. 308 308 309 309 436 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]] 310 310 311 -[[image:add-integration-part-2.png||height="484" width="500"]] 312 312 313 - 314 314 **Downlink data converter:** 315 315 316 -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. 317 317 318 - *Clickon the**Skip**buttonin the Downlink data converter section.444 +Click **Next** button. 319 319 320 -Click **Skip** button. 321 321 447 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]] 322 322 323 -[[image:integration-dl-skip.png||height="511" width="500"]] 324 324 325 - 326 - 327 327 **Connection:** 328 328 329 -* **Host**: Host URL (Eg, **//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**) 330 -* **Port**: 8883 (the port number may differ based on your MQTT broker) 331 -* **Credentials type**: Basic 452 +* **Host**: Cluster URL (Eg. 011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud) 453 +* **Port**: 8883 454 +* **Credentials**: Basic 455 +* **Enable SSL**: YES 332 332 * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials) 333 333 * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials) 334 -* **Enable SSL**: YES 335 -* **Topic**: # (the # symbol indicates that it filters all topics). 458 +* **Topic: v1/devices/+/telemetry** (the + replaces any 'device name' will create a device in the Entities -> Devices) 336 336 * **QoS:** 0-At most once 337 337 461 +[[image:add-integration-connection.png||height="511" width="500"]] 338 338 339 339 340 -[[image:add-integration-4.png||height="484" width="500"]] 341 - 342 - 343 343 Click on the **Advanced settings** button. 344 344 345 345 * **Clean session:** YES ... ... @@ -367,8 +367,8 @@ 367 367 Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.** 368 368 369 369 370 -[[image:integration-added.png]] 371 371 492 +[[image:new-integration-pending.png]] 372 372 373 373 374 374 = 5. Verifying the receipt of data from virtual devices = ... ... @@ -379,24 +379,24 @@ 379 379 380 380 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. 381 381 382 -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. 383 383 384 -(% 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. 385 385 386 386 {{code language="none"}} 387 -{"IMEI": "3 50693903995577", "temperature":25,"humidity":80, "pressure":1005}508 +{"IMEI": "S31B-NB", "temperature": 27, ......} 388 388 {{/code}} 389 389 390 -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. 391 391 392 392 393 393 == 5.2 Sending messages == 394 394 395 395 396 -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. 397 397 398 398 {{code language="none"}} 399 -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}' 400 400 {{/code}} 401 401 402 402 If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission. ... ... @@ -405,9 +405,16 @@ 405 405 [[image:integration-active.png]] 406 406 407 407 529 +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**. 530 + 531 + 532 +[[image:new-device.png]] 533 + 534 + 408 408 == 5.3 Viewing messages == 409 409 410 410 538 + 411 411 Go back to the **Integrations** page. 412 412 413 413 Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details. ... ... @@ -423,36 +423,25 @@ 423 423 Then click on the **Apply changes** (//**tick icon**//) button. 424 424 425 425 426 -[[image: debug-enabled.png||height="301"width="700"]]554 +[[image:Screenshot 2025-03-18 at 09.23.10.png]] 427 427 428 428 429 - 430 - 431 431 Now go to the **Events** tab. 432 432 433 -Select the **Event type**as **Debug** from the dropdown list.559 +Select the Event type as **Debug** from the dropdown list. 434 434 435 - Publish anothermessage (of course,you canrepeatthe previousmessagebypressing the UP arrow on yourkeyboard andthenpress Enter key) to yourMQTT brokerfromyourterminal,for example:561 +Now you can see all the Uplink messages you are simulating through the MQTT broker. The status should 436 436 437 -{{code language="none"}} 438 -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}' 439 -{{/code}} 440 440 441 - Now you can see that uplinkmessagein the **Events** tab (Click the **refresh** button if you didn'tseeany messages intheEvents tab).The status should be **OK **if there isno errors in your integration.564 +[[image:Screenshot 2025-03-16 at 18.38.59.png]] 442 442 443 443 444 -[[image:Screenshot 2025-03-26 at 19.49.31.png]] 445 - 446 - 447 - 448 448 Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window. 449 449 450 450 451 -[[image:Screenshot 2025-03- 26 at 19.47.52.png]]570 +[[image:Screenshot 2025-03-16 at 18.39.12.png]] 452 452 453 453 454 - 455 - 456 456 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. 457 457 458 458 ... ... @@ -464,11 +464,6 @@ 464 464 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. 465 465 466 466 467 -First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg: 468 - 469 -{{code language="none"}}mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":80, "pressure":1005}'{{/code}} 470 - 471 - 472 472 In **ThingsBoard**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu. 473 473 474 474 ... ... @@ -504,19 +504,15 @@ 504 504 505 505 Configure the **Time series chart** widget as follows: 506 506 507 -* **Datasource** - select **DeviceA**device you provisioned.619 +* **Datasource** - select S31B-NB device you provisioned. 508 508 * **Series**: 509 509 ** **temperature** - you can see this key by default. 510 510 ** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit. 511 511 * Click on the **Add** button. 512 512 513 -{{info}} 514 -You can add only the relevant fields from the device's payload to display data on a widget. These fields are called 'keys'. 515 -{{/info}} 625 +[[image:timeseries-1.png||height="491" width="700"]] 516 516 517 -[[image:Screenshot 2025-03-31 at 06.51.15.png||height="485" width="700"]] 518 518 519 - 520 520 The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner. 521 521 522 522 Click the **Save** button to add the widget to the dashboard. ... ... @@ -529,11 +529,12 @@ 529 529 530 530 531 531 {{code language="none"}} 532 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" - t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":70, "pressure":1005}'640 +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}' 533 533 534 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" - t "device/a" -m '{"IMEI":"350693903995577", "temperature":27, "humidity":72, "pressure":1005}'642 +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}' 535 535 536 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":19, "humidity":80, "pressure":1005}' 644 +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}' 645 + 537 537 {{/code}} 538 538 539 539 The chart will update with the values in realtime, as shown in the below image. ... ... @@ -542,10 +542,10 @@ 542 542 [[image:timeseries-4.png||height="316" width="700"]] 543 543 544 544 545 -= 8. ConfigurePhysicalNB-IoT Sensor =654 += 7. Configure NB-IoT Sensor = 546 546 547 547 548 -Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the ** TS01-NB**.657 +Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**. 549 549 550 550 First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use. 551 551 ... ... @@ -553,8 +553,8 @@ 553 553 **AT Commands** 554 554 555 555 * **AT+PRO=3,3 **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3. 556 -* **AT+SUBTOPIC=<MQTT subscribetopic>Eg: TS01-NB**557 -* **AT+PUBTOPIC=<MQTT publishtopic>Eg: TS01-NB**665 +* **AT+SUBTOPIC=<MQTT topic>** 666 +* **AT+PUBTOPIC=<MQTT topic>** 558 558 * **AT+CLIENT=null** 559 559 * **AT+UNAME=<MQTT Username>** 560 560 * **AT+PWD=<MQTT Password>** ... ... @@ -561,10 +561,7 @@ 561 561 * **AT+SERVADDR=<Broker address, Port>** 562 562 563 563 Test your uplink by pressing the ACT button for 1 second. 564 - 565 565 566 566 567 -The following image shows the uplink payload of a real Dragino device. The publish topic is '**TS01-NB' that contains fields in the payload, IMEI, IMSI, Model, temperature, etc**. Note that we have created a device named **TS01-NB** in the **Devices** section in advance. 568 568 569 - 570 -[[image:image-4.png]] 676 +
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