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Changes for page ThingsBoard

Last modified by Dilisi S on 2025/04/23 19:23
From version 59.1
edited by Dilisi S
on 2025/03/06 04:25
Change comment: Mar 5 edits
To version 95.1
edited by Dilisi S
on 2025/03/08 04:07
Change comment: Uploaded new attachment "data-converter-list-showing-uplink-dc.png", version {1}

Summary

Details

Page properties
Content
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6 6  Draft Document
7 7  {{/warning}}
8 8  
9 -= Introduction =
10 10  
11 -This document guides you on integrating Dragino **-NB** and **-CB** series devices data with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free.
12 12  
13 -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**.
14 14  
12 += 1. Introduction =
15 15  
16 -= Add New Device =
17 17  
18 -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.
15 +This document guides you on integrating Dragino **-NB** and **-CB** series devices data with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free.
19 19  
20 -In the left navigation, click **Entities** and then click **Devices**.
17 +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**.
21 21  
22 22  
23 -[[image:device-list-empty.png]]
24 24  
25 25  
26 -On the **Devices **page, click on the ‘**+**’ button, and then click on the **Add new device **from the dropdown menu.
27 27  
23 += 2. Data Converters =
28 28  
29 -[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
30 30  
26 +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.
31 31  
32 -The **Add new device** window appears. Name the device, for example '**Virtual NB/CB device**'.
33 33  
34 -Click on the **Next: Credentials** button.
29 +== 2.1 Uplink ==
35 35  
36 36  
37 -[[image:new-device-device-details.png||height="529" width="500"]]
32 +In the left navigation, click **Integrations center**, and then click **Data converters**.
38 38  
39 39  
40 -Click the **Access token** button if it is not selected by default.
41 41  
42 -Copy the **Access token** to a text editor, as you will need it in the section **'Sending data from an MQTT client'**.
36 +[[image:data-converters-list-empty.png]]
43 43  
44 -Click on the **Add** button.
45 45  
46 -[[image:new-device-access-token.png||height="528" width="500"]]
39 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
47 47  
48 48  
49 -Click on the **MQTT** button.
50 50  
51 -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.
43 +[[image:create-new-converter-menu.png||height="259" width="500"]]
52 52  
53 -Copy the MQTT pub command in the '**Execute the following command**' section.
54 54  
55 -{{code language="none"}}
56 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/me/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:25}"
57 -{{/code}}
58 -
59 -Note that the **State** is still shown as **'Inactive'** in the **Latest telemetry** section.
60 -
61 -[[image:new-device-check-connectivity.png||height="522" width="500"]]
62 -
63 -
64 -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'**.
65 -
66 -
67 -[[image:mqtt-command-1.png||height="228" width="700"]]
68 -
69 -
70 -
71 -
72 -[[image:new-device-telemetry-test.png||height="520" width="500"]]
73 -
74 -
75 -
76 -= Data Converters =
77 -
78 -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.
79 -
80 -
81 -== Uplink ==
82 -
83 -In the left navigation, click **Integrations center**, and then click **Data converters**.
84 -
85 -
86 -[[image:data-converter-list-page.png]]
87 -
88 -
89 -On the **Data converters** page, click on the ‘+’ button, and then click on the **Create new converter** from the dropdown menu.
90 -
91 -
92 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
93 -
94 -
95 95  The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
96 96  
97 -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.
48 +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.
98 98  
99 99  {{code language="JavaScript"}}
100 -//Version: 0.1
51 +/** Decoder **/
52 +
101 101  // decode payload to string
102 102  var payloadStr = decodeToString(payload);
55 +var data = JSON.parse(payloadStr);
103 103  
57 +var deviceName = metadata.topic.split("/")[3];
104 104  // decode payload to JSON
105 -var objdata = {};
106 -var obj1 = {};
107 -var data = decodeToJson(payload);
108 -var deviceName = data.IMEI;
109 -delete data.IMEI;
110 -var modelname = "Dragino " + data.Model;
111 -//var mod = data.mod
112 -delete data.Model;
113 -//delete data.mod
114 -var timestamp = new Date().getTime();
59 +var deviceType = 'sensor';
115 115  
116 -for (var key in data) {
117 -
118 - if (Number(key)) {
119 - obj1[key] = data[key];
120 - obj1[key][obj1[key].length - 1] = Number(new Date(
121 - obj1[key][obj1[key].length - 1]));
122 -
123 - }
124 -//Alec submitted25/02/25
125 -//turn old key into new
126 - else if (key === "Reading") {
127 - objdata["reading"] = data[key];
128 - } else if (key === "work mode") {
129 - objdata["work_mode"] = data[key];
130 - } else if (key === "hum") {
131 - objdata["humidity"] = data[key];
132 - }else if (key === "hum2") {
133 - objdata["humidity2"] = data[key];
134 - } else if (key === "hum3") {
135 - objdata["humidity3"] = data[key];
136 - } else if (key === "tem") {
137 - objdata["temperature"] = data[key];
138 - } else if (key === "tem2") {
139 - objdata["temperature2"] = data[key];
140 - } else if (key === "tem3") {
141 - objdata["temperature3"] = data[key];
142 - } else if (key === "DS18B20_Temp") {
143 - objdata["temperature_pro"] = data[key];
144 - } else if (key === "ds18b20_temperature") {
145 - objdata["temperature_pro"] = data[key];
146 - } else if (key === "DS18B20_temperature_pro") {
147 - objdata["temperature_pro"] = data[key];
148 - } else if (key === "tdc send flag") {
149 - objdata["tdc_send_flag"] = data[key];
150 - } else if (key === "trigger mode") {
151 - objdata["trigger_mode"] = data[key];
152 - } else if (key === "soil dielectric constant") {
153 - objdata["soil_dielectric_constant"] = data[key];
154 - } else if (key === "door open num") {
155 - objdata["door_open_num"] = data[key];
156 - } else if (key === "door duration") {
157 - objdata["door_duration"] = data[key];
158 - } else if (key === "count time") {
159 - objdata["count_time"] = data[key];
160 - } else if (key === "last open time2") {
161 - objdata["last_open_time2"] = data[key];
162 - } else if (key === "last open time3") {
163 - objdata["last_open_time3"] = data[key];
164 - }
165 -//Alec submitted25/02/25
166 - else {
167 - objdata[key] = data[key]
168 - }
169 -}
170 -var listdata = [{
171 - "ts": timestamp,
172 - "values": objdata
173 -}]
174 -for (var key1 in obj1) {
175 - if (modelname == "Dragino RS485-NB") {
176 - listdata.push({
177 - "ts": obj1[key1][obj1[key1].length - 1],
178 - "values": {
179 - "Payload": obj1[key1][0],
180 - }
181 - })
182 - } else {
183 - listdata.push({
184 - "ts": obj1[key1][obj1[key1].length - 1],
185 - "values": {
186 - "values": obj1[key1]
187 - },
188 - })
189 - }
190 -}
61 +// Result object with device attributes/telemetry data
191 191  var result = {
192 -
193 193   deviceName: deviceName,
194 - deviceType: modelname,
64 + deviceType: deviceType,
195 195   attributes: {
196 - model: modelname,
197 - //customerName: "NB-CB",
198 - //groupName: "NB-CB",
199 - //integrationName: metadata['integrationName']
200 -
66 + integrationName: metadata['integrationName'],
201 201   },
202 - telemetry: listdata
203 -}
68 + telemetry: {
69 + temperature: data.temperature,
70 + humidity: data.humidity,
71 + }
72 +};
204 204  
205 -function decodeToString(payload) {
206 - return String.fromCharCode.apply(String, payload);
207 -}
74 +/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
208 208  
209 -function decodeToJson(payload) {
210 - // covert payload to string.
211 - var str = decodeToString(payload);
212 -
213 - // parse string to JSON
214 - var data = JSON.parse(str);
215 - return data;
216 -}
217 -
218 218  return result;
219 -
220 220  {{/code}}
221 221  
79 +
222 222  Click on the **Add** button.
223 223  
224 224  
225 -[[image:uplink-data-converter.png||height="529" width="500"]]
226 226  
84 +[[image:add-uplink-data-converter.png||height="529" width="500"]]
227 227  
228 228  
229 -You should see that the newly added **uplink data converter** is listed on the **Data Converters** page.
87 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
230 230  
231 231  
232 -[[image:data-converter-list-showing-uplink-dc.png]]
233 233  
91 +[[image:create-new-converter-menu.png||width="500"]]
234 234  
235 -== Downlink ==
93 +== 3.2 Downlink ==
236 236  
95 +
237 237  On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
238 238  
239 -
240 240  [[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
241 241  
242 242  
243 243  The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
244 244  
245 -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.
103 +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.
246 246  
247 247  
248 248  {{code language="JavaScript"}}
249 -function hexToBase64(hexString) {
250 - // 将16进制字符串两个字符转换为一个字节
251 - var bytes = hexString.match(/.{2}/g);
252 - // 对每个字节进行解析，并转换为对应的字符
253 - var binaryString = bytes.map(function(byte) {
254 - return String.fromCharCode(parseInt(byte, 16));
255 - }).join('');
256 -
257 - // 使用btoa进行base64编码
258 - return btoa(binaryString);
259 -}
107 +// Encode downlink data from incoming Rule Engine message
260 260  
109 +// msg - JSON message payload downlink message json
110 +// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
111 +// metadata - list of key-value pairs with additional data about the message
112 +// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
113 +
114 +/** Encoder **/
115 +
116 +var data = {};
117 +
118 +// Process data from incoming message and metadata
119 +
120 +data.tempFreq = msg.temperatureUploadFrequency;
121 +data.humFreq = msg.humidityUploadFrequency;
122 +
123 +data.devSerialNumber = metadata['ss_serialNumber'];
124 +
261 261  // Result object with encoded downlink payload
262 262  var result = {
127 +
263 263   // downlink data content type: JSON, TEXT or BINARY (base64 format)
264 - contentType: "BINARY",
129 + contentType: "JSON",
265 265  
266 266   // downlink data
267 - data:hexToBase64(metadata.shared_value)
132 + data: JSON.stringify(data),
268 268  
269 269   // Optional metadata object presented in key/value format
270 - //metadata: {}
135 + metadata: {
136 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
137 + }
271 271  
272 272  };
273 273  
... ... @@ -278,23 +278,23 @@
278 278  Click on the **Add** button.
279 279  
280 280  
281 -[[image:downlink-data-converter.png||height="530" width="500"]]
282 282  
149 +[[image:add-downlink-data-converter.png||height="529" width="500"]]
283 283  
284 284  
285 -You should see that the newly added **downlink data converter** is listed on the **Data Converters** page.
152 +You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
286 286  
287 287  
288 -[[image:data-converter-list.png]]
289 289  
156 +[[image:data-converters-list.png]]
290 290  
291 -= Add Integration =
158 += 3. Add Integration =
292 292  
160 +
293 293  In the left navigation, click **Integrations center**, and then click **Integrations**.
294 294  
295 295  On the **Integrations** page, click on the '**+**' button.
296 296  
297 -
298 298  [[image:data-converter-list-page.png]]
299 299  
300 300  
... ... @@ -310,11 +310,9 @@
310 310  
311 311  Click **Next** button.
312 312  
313 -
314 314  [[image:add-integration-basic-settings.png||height="511" width="500"]]
315 315  
316 316  
317 -
318 318  **Uplink data converter:**
319 319  
320 320  * Click on the **Select existing** button.
... ... @@ -322,11 +322,9 @@
322 322  
323 323  Click **Next** button.
324 324  
325 -
326 326  [[image:add-integration-uplink-data-converter.png||width="500"]]
327 327  
328 328  
329 -
330 330  **Downlink data converter:**
331 331  
332 332  * Click on the **Select existing** button.
... ... @@ -334,24 +334,24 @@
334 334  
335 335  Click **Next** button.
336 336  
337 -
338 338  [[image:add-integration-downlink-data-converter.png||height="510" width="500"]]
339 339  
340 340  
341 -
342 342  **Connection:**
343 343  
344 -* **Host**: mqtt.eu.thingsboard.cloud (This is the host name you copied from the device - See section xxxxx for more information)
345 -* **Port**: 1883 (This is the port number you copied from the device - See section xxxxx for more information)
205 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
206 +* **Port**: 8883
346 346  * **Credentials**: Basic
347 -* **Username**: Access token (This is the access token you copied from the device)
348 -* **Password** - Leave it as blank
349 -* **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')
350 -* **QoS** - 0-At most once
208 +* **Enable SSL**: YES
209 +* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
210 +* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
211 +* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
212 +* **QoS:** 0-At most once
213 +* **Clean session:** NO
214 +* **Retained**: NO
351 351  
352 352  Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
353 353  
354 -
355 355  [[image:add-integration-connection.png||width="500"]]
356 356  
357 357  
... ... @@ -359,7 +359,6 @@
359 359  
360 360  Click on the **Add** button.
361 361  
362 -
363 363  [[image:add-connection-success.png||height="511" width="500"]]
364 364  
365 365  
... ... @@ -367,11 +367,17 @@
367 367  
368 368  Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
369 369  
232 +[[image:integrations-list-added-pending.png]]
370 370  
371 371  
372 -[[image:integrations-list-added-pending.png]]
235 += 5. Verifying the receipt of data from the device =
373 373  
374 374  
375 -= Verifying the receipt of data from the device =
238 +On the terminal, issue the following MQTT command which simulates the device S31B-NB.
376 376  
377 -Connect **S31B-NB** to transfer information. If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “xxxxx” 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.
240 +{{code language="none"}}
241 +mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
242 +{{/code}}
243 +
244 +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.
245 +
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