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Last modified by Dilisi S on 2025/04/23 19:23
From version 139.1
edited by Dilisi S
on 2025/03/09 03:35
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To version 15.1
edited by Dilisi S
on 2025/03/03 02:41
Change comment: Uploaded new attachment "add-integration-connection.png", version {1}

Summary

Details

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2 2  
3 3  {{toc/}}
4 4  
5 -{{warning}}
6 -Draft Document
7 -{{/warning}}
8 8  
6 += Introduction =
9 9  
8 +This document guides you on integrating Dragino -NB and -CB series devices with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free.
10 10  
11 11  
12 -= 1. Introduction =
11 += Add New Device =
13 13  
13 +In the left navigation, click **Entities** and then click **Devices**.
14 14  
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.
16 16  
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**.
16 +[[image:ThingsBoard-Device.png]]
18 18  
19 19  
20 -= 2. Prerequisites =
19 +On the ‘**Devices**’ page, click on the ‘**+**’ button, and then click on the ‘**Add new device**’ from the dropdown menu.
21 21  
22 -To complete this tutorial, you need to have the following:
23 23  
24 -* ThingsBoard cloud account
25 -* HiveMQ Cloud account
22 +[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
26 26  
27 -== 2.1 ThingsBoard Cloud ==
28 28  
29 29  
30 -Go to [[https:~~/~~/thingsboard.io/>>https://thingsboard.io/]]
26 += Data Converters =
31 31  
32 -Click on the **Try it now**.
33 33  
29 +== Uplink ==
34 34  
35 -[[image:thingsboard-1.png]]
31 +In the left navigation, click ‘Integrations center’, and then click ‘Data converters’.
36 36  
37 37  
38 -Select either the **North America** or **Europe** region. Here, we use the Europe region.
34 +[[image:ThingsBoard-Data-Converters.png]]
39 39  
40 -[[image:thingsboard-2.png]]
41 41  
37 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
42 42  
43 -You can sign up with your **Google**, **GitHub**, **Facebook**, or **Apple** account. If not you can create an account with providing your **name**, **email address** and a **password**.
44 44  
45 -Click on the **Sign up** button.
40 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
46 46  
47 -[[image:thingsboard-3.png||height="651" width="500"]]
48 48  
43 +The ‘Add data converter’ window will appear. Name it ‘**UDP Uplink Converter NB/CB**’ and select the Type as ‘Uplink’.
49 49  
50 -You will be navigated to the following page.
45 +Click on the ‘JavaScript’ button. Now copy and paste the following script to the ‘Decoder function’ section:
51 51  
52 -[[image:thingsboard-5.png||height="109" width="500"]]
53 -
54 -
55 -simultaneously, you will receive an email to confirm your email address. Click on the **Activate Your Account** button.
56 -
57 -
58 -[[image:thingsboard-4.png||height="249" width="500"]]
59 -
60 -
61 -Now losing to the account using your credentials:
62 -
63 -
64 -[[image:thingsboard-6.png||height="244" width="500"]]
65 -
66 -
67 -== 2.2 HiveMQ Cloud ==
68 -
69 -
70 -Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
71 -
72 -Click on the **Start Free** button.
73 -
74 -[[image:hivwmq-1.png]]
75 -
76 -
77 -Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
78 -
79 -[[image:hivemq-2.png]]
80 -
81 -
82 -Click on the **Sign Up** button.
83 -
84 -You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
85 -
86 -If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
87 -
88 -
89 -[[image:hivemq-3.png]]
90 -
91 -
92 -You will receive an email to verify your email address. Click on the **Confirm my account** button.
93 -
94 -
95 -[[image:hivemq-4.jpg||height="889" width="400"]]
96 -
97 -
98 -You will be redirected to a page asking you to complete your profile. Once done, click the **Continue** button.
99 -
100 -
101 -[[image:hivemq-5.png||height="655" width="700"]]
102 -
103 -
104 -Select the CloudMQ Cloud plan you need. For testing purposes, select the **Serverless FREE** plan by clicking on the **Create Serverless Cluster** button.
105 -
106 -
107 -[[image:hivemq-6.png]]
108 -
109 -
110 -You will be navigated to the **Your Clusters** page. Click on the **Manage Cluster** button.
111 -
112 -[[image:hivemq-7.png]]
113 -
114 -
115 -In your cluster page, you can find some useful parameters you need to create a MQTT connection.
116 -
117 -**URL**: This is the host name. Click on the copy button to copy it.
118 -
119 -**Port**: 8883
120 -
121 -
122 -Click on the **Getting Started** tab to setup the username and the password as the connection credentials.
123 -
124 -
125 -[[image:hivemq-8.png]]
126 -
127 -
128 -In the '**Create Connection Credentials**' section, provide a **username** and **password**, then click the **Add** button.
129 -
130 -
131 -[[image:hivemq-9.png]]
132 -
133 -
134 -
135 -If everything is successful, you will see the following message.
136 -
137 -
138 -[[image:hivemq-10.png||height="206" width="500"]]
139 -
140 -
141 -You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section.
142 -
143 -
144 -= 3. Data Converters =
145 -
146 -
147 -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.
148 -
149 -
150 -== 3.1 Uplink ==
151 -
152 -
153 -In the left navigation, click **Integrations center**, and then click **Data converters**.
154 -
155 -
156 -
157 -[[image:data-converters-list-empty.png]]
158 -
159 -
160 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
161 -
162 -
163 -
164 -[[image:create-new-converter-menu.png||height="259" width="500"]]
165 -
166 -
167 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
168 -
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.
170 -
171 171  {{code language="JavaScript"}}
172 -/** Decoder **/
173 -
48 +//Version: 0.1
174 174  // decode payload to string
175 175  var payloadStr = decodeToString(payload);
176 -var data = JSON.parse(payloadStr);
177 177  
178 -var deviceName = metadata.topic.split("/")[3];
179 179  // decode payload to JSON
180 -var deviceType = 'sensor';
53 +var objdata = {};
54 +var obj1 = {};
55 +var data = decodeToJson(payload);
56 +var deviceName = data.IMEI;
57 +delete data.IMEI;
58 +var modelname = "Dragino " + data.Model;
59 +//var mod = data.mod
60 +delete data.Model;
61 +//delete data.mod
62 +var timestamp = new Date().getTime();
181 181  
182 -// Result object with device attributes/telemetry data
64 +for (var key in data) {
65 +
66 + if (Number(key)) {
67 + obj1[key] = data[key];
68 + obj1[key][obj1[key].length - 1] = Number(new Date(
69 + obj1[key][obj1[key].length - 1]));
70 +
71 + }
72 +//Alec submitted25/02/25
73 +//turn old key into new
74 + else if (key === "Reading") {
75 + objdata["reading"] = data[key];
76 + } else if (key === "work mode") {
77 + objdata["work_mode"] = data[key];
78 + } else if (key === "hum") {
79 + objdata["humidity"] = data[key];
80 + }else if (key === "hum2") {
81 + objdata["humidity2"] = data[key];
82 + } else if (key === "hum3") {
83 + objdata["humidity3"] = data[key];
84 + } else if (key === "tem") {
85 + objdata["temperature"] = data[key];
86 + } else if (key === "tem2") {
87 + objdata["temperature2"] = data[key];
88 + } else if (key === "tem3") {
89 + objdata["temperature3"] = data[key];
90 + } else if (key === "DS18B20_Temp") {
91 + objdata["temperature_pro"] = data[key];
92 + } else if (key === "ds18b20_temperature") {
93 + objdata["temperature_pro"] = data[key];
94 + } else if (key === "DS18B20_temperature_pro") {
95 + objdata["temperature_pro"] = data[key];
96 + } else if (key === "tdc send flag") {
97 + objdata["tdc_send_flag"] = data[key];
98 + } else if (key === "trigger mode") {
99 + objdata["trigger_mode"] = data[key];
100 + } else if (key === "soil dielectric constant") {
101 + objdata["soil_dielectric_constant"] = data[key];
102 + } else if (key === "door open num") {
103 + objdata["door_open_num"] = data[key];
104 + } else if (key === "door duration") {
105 + objdata["door_duration"] = data[key];
106 + } else if (key === "count time") {
107 + objdata["count_time"] = data[key];
108 + } else if (key === "last open time2") {
109 + objdata["last_open_time2"] = data[key];
110 + } else if (key === "last open time3") {
111 + objdata["last_open_time3"] = data[key];
112 + }
113 +//Alec submitted25/02/25
114 + else {
115 + objdata[key] = data[key]
116 + }
117 +}
118 +var listdata = [{
119 + "ts": timestamp,
120 + "values": objdata
121 +}]
122 +for (var key1 in obj1) {
123 + if (modelname == "Dragino RS485-NB") {
124 + listdata.push({
125 + "ts": obj1[key1][obj1[key1].length - 1],
126 + "values": {
127 + "Payload": obj1[key1][0],
128 + }
129 + })
130 + } else {
131 + listdata.push({
132 + "ts": obj1[key1][obj1[key1].length - 1],
133 + "values": {
134 + "values": obj1[key1]
135 + },
136 + })
137 + }
138 +}
183 183  var result = {
140 +
184 184   deviceName: deviceName,
185 - deviceType: deviceType,
142 + deviceType: modelname,
186 186   attributes: {
187 - integrationName: metadata['integrationName'],
144 + model: modelname,
145 + //customerName: "NB-CB",
146 + //groupName: "NB-CB",
147 + //integrationName: metadata['integrationName']
148 +
188 188   },
189 - telemetry: {
190 - temperature: data.temperature,
191 - humidity: data.humidity,
192 - }
193 -};
150 + telemetry: listdata
151 +}
194 194  
195 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
153 +function decodeToString(payload) {
154 + return String.fromCharCode.apply(String, payload);
155 +}
196 196  
197 -return result;
198 -{{/code}}
157 +function decodeToJson(payload) {
158 + // covert payload to string.
159 + var str = decodeToString(payload);
199 199  
161 + // parse string to JSON
162 + var data = JSON.parse(str);
163 + return data;
164 +}
200 200  
201 -Click on the **Add** button.
166 +return result;
202 202  
168 +{{/code}}
203 203  
170 +Click on the ‘Add’ button.
204 204  
205 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
206 206  
173 +[[image:ThingsBoard-add-data-converter-uplink.png||width="500"]]
207 207  
208 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
209 209  
210 -[[image:data-converter-list-showing-uplink-dc.png]]
176 +The uplink data converter is added to ThingsBoard and appears on the ‘Data Converters’ page
211 211  
212 212  
179 +== Downlink ==
213 213  
214 -== 3.2 Downlink ==
181 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
215 215  
216 216  
217 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
184 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
218 218  
219 219  
220 -[[image:create-new-converter-menu.png||width="500"]]
187 +The ‘**Add data converter**’ window will appear. Name it ‘**UDP Downlink Converter NB/CB**’ and select the Type as ‘**Downlink**’.
221 221  
189 +Click on the ‘**JavaScript**’ button. Now copy and paste the following script to the ‘**Encoder function**’ section:
222 222  
223 223  
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 -
229 229  {{code language="JavaScript"}}
230 -// Encode downlink data from incoming Rule Engine message
193 +function hexToBase64(hexString) {
194 + // 将16进制字符串两个字符转换为一个字节
195 + var bytes = hexString.match(/.{2}/g);
196 + // 对每个字节进行解析，并转换为对应的字符
197 + var binaryString = bytes.map(function(byte) {
198 + return String.fromCharCode(parseInt(byte, 16));
199 + }).join('');
200 +
201 + // 使用btoa进行base64编码
202 + return btoa(binaryString);
203 +}
231 231  
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 -
248 248  // Result object with encoded downlink payload
249 249  var result = {
250 -
251 251   // downlink data content type: JSON, TEXT or BINARY (base64 format)
252 - contentType: "JSON",
208 + contentType: "BINARY",
253 253  
254 254   // downlink data
255 - data: JSON.stringify(data),
211 + data:hexToBase64(metadata.shared_value)
256 256  
257 257   // Optional metadata object presented in key/value format
258 - metadata: {
259 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
260 - }
214 + //metadata: {}
261 261  
262 262  };
263 263  
... ... @@ -268,154 +268,32 @@
268 268  Click on the **Add** button.
269 269  
270 270  
225 +[[image:ThingsBoard-add-data-converter-downlink.png||height="532" width="500"]]
271 271  
272 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
273 273  
228 += Add Integration =
274 274  
275 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
230 +In the left navigation, click ‘Integrations center’, and then click ‘Integrations’.
276 276  
232 +On the ‘Integrations’ page, click on the “+” button.
277 277  
278 -[[image:data-converters-list.png]]
279 279  
235 +[[image:ThingsBoard-add-integration.png]]
280 280  
281 281  
282 -= 4. Add Integration =
238 +The ‘Add integration’ window appears.
283 283  
240 +In the Add Integration window, configure the following settings:
284 284  
285 -In the left navigation, click **Integrations center**, and then click **Integrations**.
286 -
287 -
288 -[[image:integrations-list-empty.png]]
289 -
290 -
291 -On the **Integrations** page, click on the '**+**' button.
292 -
293 -
294 -The **Add integration** window appears.
295 -
296 -In the **Add integration** window, configure the following settings:
297 -
298 -
299 299  **Basic settings:**
300 300  
301 -* **Integration type**: MQTT
302 -* **Name**: MQTT integration NB/CB
303 -* **Enable integration**: YES
304 -* **Allows create devices or assets**: YES
244 +* **Integration type**: UDP
245 +* **Name**: UDP Integration NB/CB
305 305  
306 306  Click **Next** button.
307 307  
308 308  
309 309  
310 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
311 311  
312 312  
313 -**Uplink data converter:**
314 -
315 -* Click on the **Select existing** button.
316 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
317 -
318 -Click **Next** button.
319 -
320 -
321 -
322 -[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
323 -
324 -
325 -**Downlink data converter:**
326 -
327 -* Click on the **Select existing** button.
328 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
329 -
330 -Click **Next** button.
331 -
332 -
333 -
334 -[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
335 -
336 -
337 -**Connection:**
338 -
339 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
340 -* **Port**: 8883
341 -* **Credentials**: Basic
342 -* **Enable SSL**: YES
343 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
344 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
345 -* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
346 -* **QoS:** 0-At most once
347 -
348 -[[image:add-integration-connection.png||height="511" width="500"]]
349 -
350 -
351 -Click on the **Advanced settings** button.
352 -
353 -* **Clean session:** NO
354 -* **Retained**: NO
355 -
356 -[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
357 -
358 -
359 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
360 -
361 -
362 -[[image:check-connection.png||height="83" width="300"]]
363 -
364 -
365 -If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
366 -
367 -
368 -[[image:connection-success.png||height="511" width="500"]]
369 -
370 -
371 -Click on the **Add** button.
372 -
373 -You should see that the newly added integration is listed on the **Integrations** page.
374 -
375 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
376 -
377 -
378 -
379 -[[image:new-integration-pending.png]]
380 -
381 -
382 -= 5. Verifying the receipt of data from virtual devices =
383 -
384 -
385 -== 5.1 How does it work? ==
386 -
387 -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.
388 -
389 -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.
390 -
391 -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.
392 -
393 -
394 -**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.**
395 -
396 -
397 -For example, if you send two MQTT messages with different device names in the topic:
398 -
399 -1. v1/devices/**S31B-NB**/telemetry
400 -1. v1/devices/**S31B-CB**/telemetry
401 -
402 -ThingsBoard will create two devices named **S31B-NB** and **S31B-CB** in the **//Devices//** section.
403 -
404 -
405 -The MQTT payload format is as follows, for example:
406 -
407 -{{code language="none"}}
408 -{"temperature":10.4, "humidity":85}
409 -{{/code}}
410 -
411 -
412 -== 5.2 Sending messages ==
413 -
414 -
415 -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.
416 -
417 -{{code language="none"}}
418 -mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/SN-001/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":10.4, "humidity":85}'
419 -{{/code}}
420 -
421 -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.
253 +
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