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Last modified by Dilisi S on 2025/04/23 19:23
From version 120.1
edited by Dilisi S
on 2025/03/08 20:25
Change comment: Uploaded new attachment "hivemq-10.png", version {1}
To version 6.1
edited by Dilisi S
on 2025/03/03 02:15
Change comment: Uploaded new attachment "ThingsBoard-new-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 HiveMQ Cloud ==
29 -
30 -
31 -Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
32 -
33 -Click on the **Start Free** button.
34 -
35 -[[image:hivwmq-1.png]]
36 -
37 -
38 -Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
39 -
40 -[[image:hivemq-2.png]]
41 -
42 -
43 -Click on the **Sign Up** button.
44 -
45 -You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
46 -
47 -If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
48 -
49 -
50 -[[image:hivemq-3.png]]
51 -
52 -
53 -You will receive an email to verify your email address. Click on the **Confirm my account** button.
54 -
55 -
56 -[[image:hivemq-4.jpg||height="889" width="400"]]
57 -
58 -
59 -You will be redirected to a page asking you to complete your profile. Once done, click the **Continue** button.
60 -
61 -
62 -[[image:hivemq-5.png||height="655" width="700"]]
63 -
64 -
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 -
67 -
68 -[[image:hivemq-6.png]]
69 -
70 -
71 -You will be navigated to the **Your Clusters** page. Click on the **Manage Cluster** button.
72 -
73 -[[image:hivemq-7.png]]
74 -
75 -
76 -In your cluster page, you can find some useful parameters you need to create a MQTT connection.
77 -
78 -**URL**: This is the host name. Click on the copy button to copy it.
79 -
80 -**Port**: 8883
81 -
82 -
83 -Click on the **Getting Started** tab to setup the username and the password.
84 -
85 -
86 -[[image:hivemq-8.png]]
87 -
88 -
89 -
90 -= 2. Data Converters =
91 -
92 -
93 -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.
94 -
95 -
96 -== 2.1 Uplink ==
97 -
98 -
99 -In the left navigation, click **Integrations center**, and then click **Data converters**.
100 -
101 -
102 -
103 -[[image:data-converters-list-empty.png]]
104 -
105 -
106 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
107 -
108 -
109 -
110 -[[image:create-new-converter-menu.png||height="259" width="500"]]
111 -
112 -
113 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
114 -
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.
116 -
117 -{{code language="JavaScript"}}
118 -/** Decoder **/
119 -
120 -// decode payload to string
121 -var payloadStr = decodeToString(payload);
122 -var data = JSON.parse(payloadStr);
123 -
124 -var deviceName = metadata.topic.split("/")[3];
125 -// decode payload to JSON
126 -var deviceType = 'sensor';
127 -
128 -// Result object with device attributes/telemetry data
129 -var result = {
130 - deviceName: deviceName,
131 - deviceType: deviceType,
132 - attributes: {
133 - integrationName: metadata['integrationName'],
134 - },
135 - telemetry: {
136 - temperature: data.temperature,
137 - humidity: data.humidity,
138 - }
139 -};
140 -
141 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
142 -
143 -return result;
144 -{{/code}}
145 -
146 -
147 -Click on the **Add** button.
148 -
149 -
150 -
151 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
152 -
153 -
154 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
155 -
156 -[[image:data-converter-list-showing-uplink-dc.png]]
157 -
158 -
159 -
160 -== 3.2 Downlink ==
161 -
162 -
163 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
164 -
165 -
166 -[[image:create-new-converter-menu.png||width="500"]]
167 -
168 -
169 -
170 -The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
171 -
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.
173 -
174 -
175 -{{code language="JavaScript"}}
176 -// Encode downlink data from incoming Rule Engine message
177 -
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 -
194 -// Result object with encoded downlink payload
195 -var result = {
196 -
197 - // downlink data content type: JSON, TEXT or BINARY (base64 format)
198 - contentType: "JSON",
199 -
200 - // downlink data
201 - data: JSON.stringify(data),
202 -
203 - // Optional metadata object presented in key/value format
204 - metadata: {
205 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
206 - }
207 -
208 -};
209 -
210 -return result;
211 -{{/code}}
212 -
213 -
214 -Click on the **Add** button.
215 -
216 -
217 -
218 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
219 -
220 -
221 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
222 -
223 -
224 -[[image:data-converters-list.png]]
225 -
226 -
227 -
228 -= 3. Add Integration =
229 -
230 -
231 -In the left navigation, click **Integrations center**, and then click **Integrations**.
232 -
233 -
234 -[[image:integrations-list-empty.png]]
235 -
236 -
237 -On the **Integrations** page, click on the '**+**' button.
238 -
239 -
240 -The **Add integration** window appears.
241 -
242 -In the **Add integration** window, configure the following settings:
243 -
244 -
245 -**Basic settings:**
246 -
247 -* **Integration type**: MQTT
248 -* **Name**: MQTT integration NB/CB
249 -* **Enable integration**: YES
250 -* **Allows create devices or assets**: YES
251 -
252 -Click **Next** button.
253 -
254 -
255 -
256 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
257 -
258 -
259 -**Uplink data converter:**
260 -
261 -* Click on the **Select existing** button.
262 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
263 -
264 -Click **Next** button.
265 -
266 -
267 -
268 -[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
269 -
270 -
271 -**Downlink data converter:**
272 -
273 -* Click on the **Select existing** button.
274 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
275 -
276 -Click **Next** button.
277 -
278 -
279 -
280 -[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
281 -
282 -
283 -**Connection:**
284 -
285 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
286 -* **Port**: 8883
287 -* **Credentials**: Basic
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
293 -
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 -
305 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
306 -
307 -
308 -[[image:check-connection.png||height="83" width="300"]]
309 -
310 -
311 -If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
312 -
313 -
314 -[[image:connection-success.png||height="511" width="500"]]
315 -
316 -
317 -Click on the **Add** button.
318 -
319 -You should see that the newly added integration is listed on the **Integrations** page.
320 -
321 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
322 -
323 -
324 -
325 -[[image:new-integration-pending.png]]
326 -
327 -
328 -= 5. Verifying the receipt of data from the device =
329 -
330 -
331 -On the terminal, issue the following MQTT command which simulates the device S31B-NB.
332 -
333 -{{code language="none"}}
334 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
335 -{{/code}}
336 -
337 -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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