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Last modified by Dilisi S on 2025/04/23 19:23
From version 124.1
edited by Dilisi S
on 2025/03/08 20:45
Change comment: Uploaded new attachment "thingsboard-3.png", version {1}
To version 7.1
edited by Dilisi S
on 2025/03/03 02:20
Change comment: Uploaded new attachment "ThingsBoard-add-data-converter.png", version {1}

Summary

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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 -
12 -= 1. Introduction =
13 -
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 -
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**.
18 -
19 -
20 -= 2. Prerequisites =
21 -
22 -To complete this tutorial, you need to have the following:
23 -
24 -* ThingsBoard cloud account
25 -* HiveMQ Cloud account
26 -
27 -
28 -== 2.1 ThingsBoard Cloud ==
29 -
30 -
31 -Add details here
32 -
33 -== 2.2 HiveMQ Cloud ==
34 -
35 -
36 -Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
37 -
38 -Click on the **Start Free** button.
39 -
40 -[[image:hivwmq-1.png]]
41 -
42 -
43 -Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
44 -
45 -[[image:hivemq-2.png]]
46 -
47 -
48 -Click on the **Sign Up** button.
49 -
50 -You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
51 -
52 -If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
53 -
54 -
55 -[[image:hivemq-3.png]]
56 -
57 -
58 -You will receive an email to verify your email address. Click on the **Confirm my account** button.
59 -
60 -
61 -[[image:hivemq-4.jpg||height="889" width="400"]]
62 -
63 -
64 -You will be redirected to a page asking you to complete your profile. Once done, click the **Continue** button.
65 -
66 -
67 -[[image:hivemq-5.png||height="655" width="700"]]
68 -
69 -
70 -Select the CloudMQ Cloud plan you need. For testing purposes, select the **Serverless FREE** plan by clicking on the **Create Serverless Cluster** button.
71 -
72 -
73 -[[image:hivemq-6.png]]
74 -
75 -
76 -You will be navigated to the **Your Clusters** page. Click on the **Manage Cluster** button.
77 -
78 -[[image:hivemq-7.png]]
79 -
80 -
81 -In your cluster page, you can find some useful parameters you need to create a MQTT connection.
82 -
83 -**URL**: This is the host name. Click on the copy button to copy it.
84 -
85 -**Port**: 8883
86 -
87 -
88 -Click on the **Getting Started** tab to setup the username and the password as the connection credentials.
89 -
90 -
91 -[[image:hivemq-8.png]]
92 -
93 -
94 -In the '**Create Connection Credentials**' section, provide a **username** and **password**, then click the **Add** button.
95 -
96 -
97 -[[image:hivemq-9.png]]
98 -
99 -
100 -
101 -If everything is successful, you will see the following message.
102 -
103 -
104 -[[image:hivemq-10.png||height="206" width="500"]]
105 -
106 -
107 -You will need these MQTT connection parameters when configuring the MQTT integration in the '**Add Integration**' section.
108 -
109 -
110 -= 3. Data Converters =
111 -
112 -
113 -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.
114 -
115 -
116 -== 3.1 Uplink ==
117 -
118 -
119 -In the left navigation, click **Integrations center**, and then click **Data converters**.
120 -
121 -
122 -
123 -[[image:data-converters-list-empty.png]]
124 -
125 -
126 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
127 -
128 -
129 -
130 -[[image:create-new-converter-menu.png||height="259" width="500"]]
131 -
132 -
133 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
134 -
135 -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.
136 -
137 -{{code language="JavaScript"}}
138 -/** Decoder **/
139 -
140 -// decode payload to string
141 -var payloadStr = decodeToString(payload);
142 -var data = JSON.parse(payloadStr);
143 -
144 -var deviceName = metadata.topic.split("/")[3];
145 -// decode payload to JSON
146 -var deviceType = 'sensor';
147 -
148 -// Result object with device attributes/telemetry data
149 -var result = {
150 - deviceName: deviceName,
151 - deviceType: deviceType,
152 - attributes: {
153 - integrationName: metadata['integrationName'],
154 - },
155 - telemetry: {
156 - temperature: data.temperature,
157 - humidity: data.humidity,
158 - }
159 -};
160 -
161 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
162 -
163 -return result;
164 -{{/code}}
165 -
166 -
167 -Click on the **Add** button.
168 -
169 -
170 -
171 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
172 -
173 -
174 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
175 -
176 -[[image:data-converter-list-showing-uplink-dc.png]]
177 -
178 -
179 -
180 -== 3.2 Downlink ==
181 -
182 -
183 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
184 -
185 -
186 -[[image:create-new-converter-menu.png||width="500"]]
187 -
188 -
189 -
190 -The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
191 -
192 -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.
193 -
194 -
195 -{{code language="JavaScript"}}
196 -// Encode downlink data from incoming Rule Engine message
197 -
198 -// msg - JSON message payload downlink message json
199 -// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
200 -// metadata - list of key-value pairs with additional data about the message
201 -// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
202 -
203 -/** Encoder **/
204 -
205 -var data = {};
206 -
207 -// Process data from incoming message and metadata
208 -
209 -data.tempFreq = msg.temperatureUploadFrequency;
210 -data.humFreq = msg.humidityUploadFrequency;
211 -
212 -data.devSerialNumber = metadata['ss_serialNumber'];
213 -
214 -// Result object with encoded downlink payload
215 -var result = {
216 -
217 - // downlink data content type: JSON, TEXT or BINARY (base64 format)
218 - contentType: "JSON",
219 -
220 - // downlink data
221 - data: JSON.stringify(data),
222 -
223 - // Optional metadata object presented in key/value format
224 - metadata: {
225 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
226 - }
227 -
228 -};
229 -
230 -return result;
231 -{{/code}}
232 -
233 -
234 -Click on the **Add** button.
235 -
236 -
237 -
238 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
239 -
240 -
241 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
242 -
243 -
244 -[[image:data-converters-list.png]]
245 -
246 -
247 -
248 -= 4. Add Integration =
249 -
250 -
251 -In the left navigation, click **Integrations center**, and then click **Integrations**.
252 -
253 -
254 -[[image:integrations-list-empty.png]]
255 -
256 -
257 -On the **Integrations** page, click on the '**+**' button.
258 -
259 -
260 -The **Add integration** window appears.
261 -
262 -In the **Add integration** window, configure the following settings:
263 -
264 -
265 -**Basic settings:**
266 -
267 -* **Integration type**: MQTT
268 -* **Name**: MQTT integration NB/CB
269 -* **Enable integration**: YES
270 -* **Allows create devices or assets**: YES
271 -
272 -Click **Next** button.
273 -
274 -
275 -
276 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
277 -
278 -
279 -**Uplink data converter:**
280 -
281 -* Click on the **Select existing** button.
282 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
283 -
284 -Click **Next** button.
285 -
286 -
287 -
288 -[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
289 -
290 -
291 -**Downlink data converter:**
292 -
293 -* Click on the **Select existing** button.
294 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
295 -
296 -Click **Next** button.
297 -
298 -
299 -
300 -[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
301 -
302 -
303 -**Connection:**
304 -
305 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
306 -* **Port**: 8883
307 -* **Credentials**: Basic
308 -* **Enable SSL**: YES
309 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
310 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
311 -* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
312 -* **QoS:** 0-At most once
313 -
314 -[[image:add-integration-connection.png||height="511" width="500"]]
315 -
316 -
317 -Click on the **Advanced settings** button.
318 -
319 -* **Clean session:** NO
320 -* **Retained**: NO
321 -
322 -[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
323 -
324 -
325 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
326 -
327 -
328 -[[image:check-connection.png||height="83" width="300"]]
329 -
330 -
331 -If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
332 -
333 -
334 -[[image:connection-success.png||height="511" width="500"]]
335 -
336 -
337 -Click on the **Add** button.
338 -
339 -You should see that the newly added integration is listed on the **Integrations** page.
340 -
341 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
342 -
343 -
344 -
345 -[[image:new-integration-pending.png]]
346 -
347 -
348 -= 5. Verifying the receipt of data from the device =
349 -
350 -
351 -On the terminal, issue the following MQTT command which simulates the device S31B-NB.
352 -
353 -{{code language="none"}}
354 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
355 -{{/code}}
356 -
357 -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.
10 +
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