Changes for page ThingsBoard

Last modified by Dilisi S on 2025/04/23 19:23

From version 64.2
edited by Xiaoling
on 2025/03/07 11:46
Change comment: There is no comment for this version
To version 118.1
edited by Dilisi S
on 2025/03/08 20:20
Change comment: Uploaded new attachment "hivemq-8.png", version {1}

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
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6 6  Draft Document
7 7  {{/warning}}
8 8  
9 +
10 +
11 +
9 9  = 1. Introduction =
10 10  
11 11  
... ... @@ -14,271 +14,193 @@
14 14  The **NB series** devices end with the suffix **-NB**, and the **CB series** devices end with the suffix **-CB**. For example, **S31B-NB** is an **NB device**, and **S31-CB** is a **CB device**.
15 15  
16 16  
17 -= 2. Add New Device =
20 += 2. Prerequisites =
18 18  
22 +To complete this tutorial, you need to have the following:
19 19  
20 -First, we will add a device to simulate data using MQTT. This device does not represent a real physical device but serves as a common virtual device for all Dragino NB/CB devices.
24 +* ThingsBoard cloud account -
25 +* HiveMQ Cloud account
21 21  
22 -In the left navigation, click **Entities** and then click **Devices**.
23 23  
24 -[[image:device-list-empty.png]]
28 +== 2.1 HiveMQ Cloud ==
25 25  
26 26  
27 -On the **Devices **page, click on the ‘**+**’ button, and then click on the **Add new device **from the dropdown menu.
31 +Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
28 28  
33 +Click on the **Start Free** button.
29 29  
30 -[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
35 +[[image:hivwmq-1.png]]
31 31  
32 32  
33 -The **Add new device** window appears. Name the device, for example '**Virtual NB/CB device**'.
38 +Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
34 34  
35 -Click on the **Next: Credentials** button.
40 +[[image:hivemq-2.png]]
36 36  
37 37  
38 -[[image:new-device-device-details.png||height="529" width="500"]]
43 +Click on the **Sign Up** button.
39 39  
45 +You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
40 40  
41 -Click the **Access token** button if it is not selected by default.
47 +If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
42 42  
43 -Copy the **Access token** to a text editor, as you will need it in the section **'Sending data from an MQTT client'**.
44 44  
45 -Click on the **Add** button.
50 +[[image:hivemq-3.png]]
46 46  
47 -[[image:new-device-access-token.png||height="528" width="500"]]
48 48  
53 +You will receive an email to verify your email address. Click on the **Confirm my account** button.
49 49  
50 -Click on the **MQTT** button.
51 51  
52 -Then, select the operating system you are going to use with the **Mosquitto MQTT Broker**. This example shows sending a command from a computer running **MacOS**. First, install the necessary client tools on your computer.
56 +[[image:hivemq-4.jpg||height="889" width="400"]]
53 53  
54 -Copy the MQTT pub command in the '**Execute the following command**' section.
55 55  
56 -{{code language="none"}}
57 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/me/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:25}"
58 -{{/code}}
59 +You will be redirected to a page asking you to complete your profile. Once done, click the **Continue** button.
59 59  
60 -Note that the **State** is still shown as **'Inactive'** in the **Latest telemetry** section.
61 61  
62 -[[image:new-device-check-connectivity.png||height="522" width="500"]]
62 +[[image:hivemq-5.png||height="655" width="700"]]
63 63  
64 64  
65 -On the terminal, enter the command you copied. This command sends the MQTT payload **{temperature:25}** as telemetry data from a virtual device named **'me'**. Of course, you can replace **'me'** with a device name or use the wildcard character **'+'** to match any device name.
65 +Select the CloudMQ Cloud plan you need. For testing purposes, select the **Serverless FREE** plan by clicking on the **Create Serverless Cluster** button.
66 66  
67 67  
68 -[[image:mqtt-command-1.png||height="228" width="700"]]
68 +[[image:hivemq-6.png]]
69 69  
70 70  
71 -If the command is successful, you can see the telemetry data you sent under the **Latest telemetry** section. Note that the **State** is now **'Active'** in the **Latest telemetry** section.
71 +You will be navigated to the **Your Clusters** page. Click on the **Manage Cluster** button.
72 72  
73 +[[image:hivemq-7.png]]
73 73  
74 -[[image:new-device-telemetry-test.png||height="520" width="500"]]
75 75  
76 +In your cluster page, you can find some useful parameters you need to create a MQTT connection.
76 76  
77 -Send the same command again, only changing the **temperature** value, to see how the **Latest telemetry** section updates its data.
78 +**URL**: This is the host name. Click on the copy button to copy it.
78 78  
79 -Once you are done experimenting with this, close the window by clicking the **Close** button.
80 +**Port**: 8883
80 80  
81 81  
82 -[[image:mqtt-command-2.png||height="227" width="700"]]
83 +Click on the **Getting Started** tab to setup the username and the password.
83 83  
84 84  
86 +[[image:hivemq-8.png]]
85 85  
86 -[[image:virtual-device-active.png]]
87 87  
88 88  
89 -= 3. Data Converters =
90 += 2. Data Converters =
90 90  
91 91  
92 92  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.
93 93  
94 94  
95 -== 3.1 Uplink ==
96 +== 2.1 Uplink ==
96 96  
97 97  
98 98  In the left navigation, click **Integrations center**, and then click **Data converters**.
99 99  
100 -[[image:data-converter-list-page.png]]
101 101  
102 102  
103 -On the **Data converters** page, click on the ‘+’ button, and then click on the **Create new converter** from the dropdown menu.
103 +[[image:data-converters-list-empty.png]]
104 104  
105 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
106 106  
106 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
107 107  
108 +
109 +
110 +[[image:create-new-converter-menu.png||height="259" width="500"]]
111 +
112 +
108 108  The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
109 109  
110 -Click on the **JavaScript** button. Now copy and paste the following JavaScript to the **Decoder function** section. This decoder function is valid for both NB and CB series devices.
115 +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.
111 111  
112 112  {{code language="JavaScript"}}
113 -//Version: 0.1
118 +/** Decoder **/
119 +
114 114  // decode payload to string
115 115  var payloadStr = decodeToString(payload);
122 +var data = JSON.parse(payloadStr);
116 116  
124 +var deviceName = metadata.topic.split("/")[3];
117 117  // decode payload to JSON
118 -var objdata = {};
119 -var obj1 = {};
120 -var data = decodeToJson(payload);
121 -var deviceName = data.IMEI;
122 -delete data.IMEI;
123 -var modelname = "Dragino " + data.Model;
124 -//var mod = data.mod
125 -delete data.Model;
126 -//delete data.mod
127 -var timestamp = new Date().getTime();
126 +var deviceType = 'sensor';
128 128  
129 -for (var key in data) {
130 -
131 - if (Number(key)) {
132 - obj1[key] = data[key];
133 - obj1[key][obj1[key].length - 1] = Number(new Date(
134 - obj1[key][obj1[key].length - 1]));
135 -
136 - }
137 -//Alec submitted25/02/25
138 -//turn old key into new
139 - else if (key === "Reading") {
140 - objdata["reading"] = data[key];
141 - } else if (key === "work mode") {
142 - objdata["work_mode"] = data[key];
143 - } else if (key === "hum") {
144 - objdata["humidity"] = data[key];
145 - }else if (key === "hum2") {
146 - objdata["humidity2"] = data[key];
147 - } else if (key === "hum3") {
148 - objdata["humidity3"] = data[key];
149 - } else if (key === "tem") {
150 - objdata["temperature"] = data[key];
151 - } else if (key === "tem2") {
152 - objdata["temperature2"] = data[key];
153 - } else if (key === "tem3") {
154 - objdata["temperature3"] = data[key];
155 - } else if (key === "DS18B20_Temp") {
156 - objdata["temperature_pro"] = data[key];
157 - } else if (key === "ds18b20_temperature") {
158 - objdata["temperature_pro"] = data[key];
159 - } else if (key === "DS18B20_temperature_pro") {
160 - objdata["temperature_pro"] = data[key];
161 - } else if (key === "tdc send flag") {
162 - objdata["tdc_send_flag"] = data[key];
163 - } else if (key === "trigger mode") {
164 - objdata["trigger_mode"] = data[key];
165 - } else if (key === "soil dielectric constant") {
166 - objdata["soil_dielectric_constant"] = data[key];
167 - } else if (key === "door open num") {
168 - objdata["door_open_num"] = data[key];
169 - } else if (key === "door duration") {
170 - objdata["door_duration"] = data[key];
171 - } else if (key === "count time") {
172 - objdata["count_time"] = data[key];
173 - } else if (key === "last open time2") {
174 - objdata["last_open_time2"] = data[key];
175 - } else if (key === "last open time3") {
176 - objdata["last_open_time3"] = data[key];
177 - }
178 -//Alec submitted25/02/25
179 - else {
180 - objdata[key] = data[key]
181 - }
182 -}
183 -var listdata = [{
184 - "ts": timestamp,
185 - "values": objdata
186 -}]
187 -for (var key1 in obj1) {
188 - if (modelname == "Dragino RS485-NB") {
189 - listdata.push({
190 - "ts": obj1[key1][obj1[key1].length - 1],
191 - "values": {
192 - "Payload": obj1[key1][0],
193 - }
194 - })
195 - } else {
196 - listdata.push({
197 - "ts": obj1[key1][obj1[key1].length - 1],
198 - "values": {
199 - "values": obj1[key1]
200 - },
201 - })
202 - }
203 -}
128 +// Result object with device attributes/telemetry data
204 204  var result = {
205 -
206 206   deviceName: deviceName,
207 - deviceType: modelname,
131 + deviceType: deviceType,
208 208   attributes: {
209 - model: modelname,
210 - //customerName: "NB-CB",
211 - //groupName: "NB-CB",
212 - //integrationName: metadata['integrationName']
213 -
133 + integrationName: metadata['integrationName'],
214 214   },
215 - telemetry: listdata
216 -}
135 + telemetry: {
136 + temperature: data.temperature,
137 + humidity: data.humidity,
138 + }
139 +};
217 217  
218 -function decodeToString(payload) {
219 - return String.fromCharCode.apply(String, payload);
220 -}
141 +/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
221 221  
222 -function decodeToJson(payload) {
223 - // covert payload to string.
224 - var str = decodeToString(payload);
225 -
226 - // parse string to JSON
227 - var data = JSON.parse(str);
228 - return data;
229 -}
230 -
231 231  return result;
232 -
233 233  {{/code}}
234 234  
235 235  
236 236  Click on the **Add** button.
237 237  
238 -[[image:uplink-data-converter.png||height="529" width="500"]]
239 239  
240 240  
241 -You should see that the newly added **uplink data converter** is listed on the **Data Converters** page.
151 +[[image:add-uplink-data-converter.png||height="529" width="500"]]
242 242  
153 +
154 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
155 +
243 243  [[image:data-converter-list-showing-uplink-dc.png]]
244 244  
245 245  
159 +
246 246  == 3.2 Downlink ==
247 247  
248 248  
249 249  On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
250 250  
251 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
252 252  
166 +[[image:create-new-converter-menu.png||width="500"]]
253 253  
168 +
169 +
254 254  The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
255 255  
256 -Click on the **JavaScript** button. Now copy and paste the following JavaScript to the **Encoder function **section. This encoder function is valid for both NB and CB series devices.
172 +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.
257 257  
258 258  
259 259  {{code language="JavaScript"}}
260 -function hexToBase64(hexString) {
261 - // 将16进制字符串两个字符转换为一个字节
262 - var bytes = hexString.match(/.{2}/g);
263 - // 对每个字节进行解析,并转换为对应的字符
264 - var binaryString = bytes.map(function(byte) {
265 - return String.fromCharCode(parseInt(byte, 16));
266 - }).join('');
267 -
268 - // 使用btoa进行base64编码
269 - return btoa(binaryString);
270 -}
176 +// Encode downlink data from incoming Rule Engine message
271 271  
178 +// msg - JSON message payload downlink message json
179 +// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
180 +// metadata - list of key-value pairs with additional data about the message
181 +// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
182 +
183 +/** Encoder **/
184 +
185 +var data = {};
186 +
187 +// Process data from incoming message and metadata
188 +
189 +data.tempFreq = msg.temperatureUploadFrequency;
190 +data.humFreq = msg.humidityUploadFrequency;
191 +
192 +data.devSerialNumber = metadata['ss_serialNumber'];
193 +
272 272  // Result object with encoded downlink payload
273 273  var result = {
196 +
274 274   // downlink data content type: JSON, TEXT or BINARY (base64 format)
275 - contentType: "BINARY",
198 + contentType: "JSON",
276 276  
277 277   // downlink data
278 - data:hexToBase64(metadata.shared_value)
201 + data: JSON.stringify(data),
279 279  
280 280   // Optional metadata object presented in key/value format
281 - //metadata: {}
204 + metadata: {
205 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
206 + }
282 282  
283 283  };
284 284  
... ... @@ -288,24 +288,30 @@
288 288  
289 289  Click on the **Add** button.
290 290  
291 -[[image:downlink-data-converter.png||height="530" width="500"]]
292 292  
293 293  
294 -You should see that the newly added **downlink data converter** is listed on the **Data Converters** page.
218 +[[image:add-downlink-data-converter.png||height="529" width="500"]]
295 295  
296 -[[image:data-converter-list.png]]
297 297  
221 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
298 298  
299 -= 4. Add Integration =
300 300  
224 +[[image:data-converters-list.png]]
301 301  
226 +
227 +
228 += 3. Add Integration =
229 +
230 +
302 302  In the left navigation, click **Integrations center**, and then click **Integrations**.
303 303  
304 -On the **Integrations** page, click on the '**+**' button.
305 305  
306 -[[image:data-converter-list-page.png]]
234 +[[image:integrations-list-empty.png]]
307 307  
308 308  
237 +On the **Integrations** page, click on the '**+**' button.
238 +
239 +
309 309  The **Add integration** window appears.
310 310  
311 311  In the **Add integration** window, configure the following settings:
... ... @@ -315,9 +315,13 @@
315 315  
316 316  * **Integration type**: MQTT
317 317  * **Name**: MQTT integration NB/CB
249 +* **Enable integration**: YES
250 +* **Allows create devices or assets**: YES
318 318  
319 319  Click **Next** button.
320 320  
254 +
255 +
321 321  [[image:add-integration-basic-settings.png||height="511" width="500"]]
322 322  
323 323  
... ... @@ -328,9 +328,11 @@
328 328  
329 329  Click **Next** button.
330 330  
331 -[[image:add-integration-uplink-data-converter.png||width="500"]]
332 332  
333 333  
268 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
269 +
270 +
334 334  **Downlink data converter:**
335 335  
336 336  * Click on the **Select existing** button.
... ... @@ -338,38 +338,56 @@
338 338  
339 339  Click **Next** button.
340 340  
341 -[[image:add-integration-downlink-data-converter.png||height="510" width="500"]]
342 342  
343 343  
280 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
281 +
282 +
344 344  **Connection:**
345 345  
346 -* **Host**: mqtt.eu.thingsboard.cloud (This is the host name you copied from the device - See section xxxxx for more information)
347 -* **Port**: 1883 (This is the port number you copied from the device - See section xxxxx for more information)
285 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
286 +* **Port**: 8883
348 348  * **Credentials**: Basic
349 -* **Username**: Access token (This is the access token you copied from the device)
350 -* **Password** - Leave it as blank
351 -* **Topic** - v1/devices/+/telemetry (sightly modify the topic 'v1/devices/me/telemetry' you copied from the device to enable receiving data from any 'device name')
352 -* **QoS** - 0-At most once
288 +* **Enable SSL**: YES
289 +* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
290 +* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
291 +* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
292 +* **QoS:** 0-At most once
353 353  
294 +[[image:add-integration-connection.png||height="511" width="500"]]
295 +
296 +
297 +Click on the **Advanced settings** button.
298 +
299 +* **Clean session:** NO
300 +* **Retained**: NO
301 +
302 +[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
303 +
304 +
354 354  Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
355 355  
356 -[[image:add-integration-connection.png||width="500"]]
357 357  
308 +[[image:check-connection.png||height="83" width="300"]]
358 358  
359 -If the connection is successful, you will see the **Connected** message.
360 360  
361 -Click on the **Add** button.
311 +If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
362 362  
363 -[[image:add-connection-success.png||height="511" width="500"]]
364 364  
314 +[[image:connection-success.png||height="511" width="500"]]
365 365  
316 +
317 +Click on the **Add** button.
318 +
366 366  You should see that the newly added integration is listed on the **Integrations** page.
367 367  
368 368  Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
369 369  
370 -[[image:integrations-list-added-pending.png]]
371 371  
372 372  
325 +[[image:new-integration-pending.png]]
326 +
327 +
373 373  = 5. Verifying the receipt of data from the device =
374 374  
375 375  
... ... @@ -380,5 +380,3 @@
380 380  {{/code}}
381 381  
382 382  If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “S31B-NB” will appear in the Devices → All. Also, you can verify the input and output data, respectively, before and after conversion in Data converters → UDP Uplink Converter NB/CB → Events.
383 -
384 -
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