Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -22,10 +22,7 @@ 22 22 To complete this tutorial, you need to have the following: 23 23 24 24 * ThingsBoard cloud account 25 -* MQTT Broker (public or private) such as, 26 -** **[[HiveMQ Cloud>>https://www.hivemq.com]] - You can create a free account to try it or subscribe for a paid account. - We use HiveMQ Cloud as the MQTT broker to build example in this tutorial.** 27 -** [[emqx>>https://www.emqx.com/zh/mqtt/public-mqtt5-broker]] - The public MQTT server is only used for MOTT learning and testing, and should not be used in the production environment. 28 -** [[lns1.thingseye.io>>http://lns1.thingseye.io/]] - This is Dragino's MQTT broker, which requires a CA certificate to use. 25 +* HiveMQ Cloud account 29 29 30 30 == 2.1 ThingsBoard Cloud == 31 31 ... ... @@ -69,9 +69,7 @@ 69 69 70 70 == 2.2 HiveMQ Cloud == 71 71 72 -=== 2.2.1 HiveMQ Cloud === 73 73 74 - 75 75 Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]] 76 76 77 77 Click on the **Start Free** button. ... ... @@ -146,24 +146,6 @@ 146 146 You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section. 147 147 148 148 149 -=== 2.2.2 emqx === 150 - 151 - 152 -The [[emqx>>https://www.emqx.com/zh/mqtt/public-mqtt5-broker]] public MQTT server is only used for MOTT learning and testing, and should not be used in the production environment. 153 - 154 - 155 -[[image:emqx.png||height="420" width="500"]] 156 - 157 - 158 -=== 2.2.3 Ins1.thingseye.io === 159 - 160 -[[lns1.thingseye.io>>http://lns1.thingseye.io/]] is the Dragino's MQTT broker, which requires a CA certificate file, Certificate file, and the Private key file to use. 161 - 162 -If customers need to use this MQTT connection with ThingsBoard, they need to contact the TE team to obtain three license files. 163 - 164 -[[image:ins1.png||height="310" width="500"]] 165 - 166 - 167 167 = 3. Data Converters = 168 168 169 169 ... ... @@ -176,6 +176,7 @@ 176 176 In the left navigation, click **Integrations center**, and then click **Data converters**. 177 177 178 178 156 + 179 179 [[image:data-converters-list-empty.png]] 180 180 181 181 ... ... @@ -188,130 +188,34 @@ 188 188 189 189 The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**. 190 190 191 -Click on the ** JavaScript**button.169 +Click on the **TBEL** button if not selected it by default. Delete the existing decoder function in the code editor. Now copy and paste the following decoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This decoder function is compatible for both NB and CB series devices. 192 192 193 -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. 194 - 195 - 196 196 {{code language="JavaScript"}} 197 -//Version: 0.1 172 +/** Decoder **/ 173 + 198 198 // decode payload to string 199 199 var payloadStr = decodeToString(payload); 176 +var data = JSON.parse(payloadStr); 200 200 178 +var deviceName = metadata.topic.split("/")[3]; 201 201 // 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(); 180 +var deviceType = 'sensor'; 212 212 213 -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 - 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 -} 182 +// Result object with device attributes/telemetry data 288 288 var result = { 289 - 290 290 deviceName: deviceName, 291 - deviceType: modelname,185 + deviceType: deviceType, 292 292 attributes: { 293 - model: modelname, 294 - //customerName: "NB-CB", 295 - //groupName: "NB-CB", 296 - //integrationName: metadata['integrationName'] 297 - 187 + integrationName: metadata['integrationName'], 298 298 }, 299 - telemetry: listdata 300 -} 189 + telemetry: { 190 + temperature: data.temperature, 191 + humidity: data.humidity, 192 + } 193 +}; 301 301 302 -function decodeToString(payload) { 303 - return String.fromCharCode.apply(String, payload); 304 -} 195 +/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/ 305 305 306 -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 - 315 315 return result; 316 316 {{/code}} 317 317 ... ... @@ -319,20 +319,84 @@ 319 319 Click on the **Add** button. 320 320 321 321 322 -[[image:mqtt-uplink.png||width="500"]] 323 323 205 +[[image:add-uplink-data-converter.png||height="529" width="500"]] 324 324 325 325 326 326 You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page. 327 327 328 - 329 329 [[image:data-converter-list-showing-uplink-dc.png]] 330 330 331 331 332 332 214 +== 3.2 Downlink == 333 333 334 334 217 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 335 335 219 + 220 +[[image:create-new-converter-menu.png||width="500"]] 221 + 222 + 223 + 224 +The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**. 225 + 226 +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. 227 + 228 + 229 +{{code language="JavaScript"}} 230 +// Encode downlink data from incoming Rule Engine message 231 + 232 +// msg - JSON message payload downlink message json 233 +// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc. 234 +// metadata - list of key-value pairs with additional data about the message 235 +// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter 236 + 237 +/** Encoder **/ 238 + 239 +var data = {}; 240 + 241 +// Process data from incoming message and metadata 242 + 243 +data.tempFreq = msg.temperatureUploadFrequency; 244 +data.humFreq = msg.humidityUploadFrequency; 245 + 246 +data.devSerialNumber = metadata['ss_serialNumber']; 247 + 248 +// Result object with encoded downlink payload 249 +var result = { 250 + 251 + // downlink data content type: JSON, TEXT or BINARY (base64 format) 252 + contentType: "JSON", 253 + 254 + // downlink data 255 + data: JSON.stringify(data), 256 + 257 + // Optional metadata object presented in key/value format 258 + metadata: { 259 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload' 260 + } 261 + 262 +}; 263 + 264 +return result; 265 +{{/code}} 266 + 267 + 268 +Click on the **Add** button. 269 + 270 + 271 + 272 +[[image:add-downlink-data-converter.png||height="529" width="500"]] 273 + 274 + 275 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page. 276 + 277 + 278 +[[image:data-converters-list.png]] 279 + 280 + 281 + 336 336 = 4. Add Integration = 337 337 338 338 ... ... @@ -360,6 +360,7 @@ 360 360 Click **Next** button. 361 361 362 362 309 + 363 363 [[image:add-integration-basic-settings.png||height="511" width="500"]] 364 364 365 365 ... ... @@ -371,6 +371,7 @@ 371 371 Click **Next** button. 372 372 373 373 321 + 374 374 [[image:add-integration-uplink-data-converter.png||height="511" width="500"]] 375 375 376 376 ... ... @@ -382,18 +382,19 @@ 382 382 Click **Next** button. 383 383 384 384 333 + 385 385 [[image:add-integration-downlink-data-converter.png||height="511" width="500"]] 386 386 387 387 388 388 **Connection:** 389 389 390 -* **Host**: Cluster URL (Eg. 011731f7 xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud)339 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud) 391 391 * **Port**: 8883 392 392 * **Credentials**: Basic 393 393 * **Enable SSL**: YES 394 394 * **Username**: Username (from your HiveMQ Cloud Cluster with your credentials) 395 395 * **Password:** Password (from your HiveMQ Cloud Cluster with your credentials) 396 -* **Topic: v1/devices/+/telemetry**(the + replaces any 'device name'willcreateadevice in the Entities -> Devices)345 +* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices) 397 397 * **QoS:** 0-At most once 398 398 399 399 [[image:add-integration-connection.png||height="511" width="500"]] ... ... @@ -438,24 +438,36 @@ 438 438 439 439 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. 440 440 441 -The Mosquitto client publishes messages (payloads) on the topic**v1/devices/me/telemetry**.Ofcourse,youcanuse anytopic for testing.390 +The Mosquitto client publishes messages on the topic v1/devices/[device_name]/telemetry. The [device_name]placeholder can be replaced with any device name, for example, 'S31B-NB'. Then, the MQTT topic would be v1/devices/S31B-NB/telemetry. 442 442 443 - (%id="cke_bm_37386S" style="display:none"%) (%%)The MQTTpayloadformatsasfollows, which iscommon forall **~-~-NB**and**~-~-CB** series devices.The**IMEI**fieldismandatoryandisusedtoprovision anewdevice with thenameassigned to it in ThingsBoard.392 +On the ThingsBoard side, we configure the MQTT topic subscription as v1/devices/+/telemetry. The + wildcard represents any device name and allows ThingsBoard to automatically create (provision) a device with that name, such as S31B-NB, for example. 444 444 394 + 395 +**The new device is created the first time the MQTT topic is received. For subsequent MQTT topics with the same device name, no duplicate devices will be created.** 396 + 397 + 398 +For example, if you send two MQTT messages with different device names in the topic: 399 + 400 +1. v1/devices/**S31B-NB**/telemetry 401 +1. v1/devices/**LDS25-NB**/telemetry 402 + 403 +ThingsBoard will create two devices named **S31B-NB** and **LDS25-NB** in the **//Devices//** section. 404 + 405 + 406 +The MQTT payload format is as follows, which is common for all ~-~-NB and ~-~-CB series devices: 407 + 445 445 {{code language="none"}} 446 -{" IMEI": "S31B-NB", "temperature":27,......}409 +{"temperature":10.4, "humidity":85} 447 447 {{/code}} 448 448 449 -Once ThingsBoard receives this message, it automatically creates (provisions) the device mentioned in the **IMEI**, for example, S31B-NB. 450 450 451 - 452 452 == 5.2 Sending messages == 453 453 454 454 455 -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-NBand27, respectively. This payload is also (technically) known as telemetry.416 +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 10.4 and 85, respectively. This payload is also (technically) known as telemetry. 456 456 457 457 {{code language="none"}} 458 -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}'419 +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":10.4, "humidity":85}' 459 459 {{/code}} 460 460 461 461 If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission. ... ... @@ -467,49 +467,38 @@ 467 467 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**. 468 468 469 469 470 -[[image: new-device.png]]431 +[[image:device-provision-1.png]] 471 471 472 472 473 - ==5.3Viewingmessages==434 +Click on the device S31B-NB on the devices list to see its details. 474 474 436 +Then go to the **Latest telemetry** tab. 475 475 476 - Gobacktothe**Integrations**page.438 +You can see the fields temperature and humidity with the values you previously sent using the MQTT message. 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**//).441 +[[image:telemetry-1.png]] 481 481 482 -Click on the **Disabled** button in the upper-right corner. 483 483 484 - Turnon the**All messages(15 min)**option.Thiswillenabledisplayingallmessagesinthe**Events** tab.Thissetting willexpirein 15 minutes,andyouwill needrepeatthesamestepsif youwantto view themessagesintheEventsablater.444 +Now, change the values of the fields and send the MQTT message again. For example, set temperature to 20 and humidity to 70. Observe how the values update in //Latest Telemetry//. 485 485 486 -Click on the **Apply** button. 487 487 488 - Then click onthe**Apply changes** (//**tick icon**//) button.447 +[[image:telemetry-2.png]] 489 489 490 490 491 - [[image:Screenshot 2025-03-18at09.23.10.png]]450 +Let's provision the second device named **LDS25-NB **with initial telemetry. Use the following MQTT message. 492 492 493 493 494 -Now go to the **Events** tab. 453 +{{code language="none"}} 454 +mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/LDS25-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":11, "humidity":87}' 455 +{{/code}} 495 495 496 - SelecttheEventtypeas **Debug**from thedropdownlist.457 +Now, refresh the **Devices** page, and you will see the second device, **LDS25-NB**, which was recently provisioned. 497 497 498 -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. 499 499 460 +[[image:device-provision-2.png]] 500 500 501 -[[image:Screenshot 2025-03-16 at 18.38.59.png]] 502 502 503 - 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 -[[image:Screenshot 2025-03-16 at 18.39.12.png]] 508 - 509 - 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 - 512 - 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}'527 +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}'529 +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}'531 +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**552 +* **AT+SUBTOPIC=<MQTT topic>** 553 +* **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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