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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 -== 2.1 ThingsBoard Cloud ==
28 -
29 -
30 -Go to [[https:~~/~~/thingsboard.io/>>https://thingsboard.io/]]
31 -
32 -Click on the **Try it now**.
33 -
34 -
35 -[[image:thingsboard-1.png]]
36 -
37 -
38 -Select either the **North America** or **Europe** region. Here, we use the Europe region.
39 -
40 -[[image:thingsboard-2.png]]
41 -
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 -
45 -Click on the **Sign up** button.
46 -
47 -[[image:thingsboard-3.png||height="651" width="500"]]
48 -
49 -
50 -You will be navigated to the following page.
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 -{{code language="JavaScript"}}
172 -/** Decoder **/
173 -
174 -// decode payload to string
175 -var payloadStr = decodeToString(payload);
176 -var data = JSON.parse(payloadStr);
177 -
178 -var deviceName = metadata.topic.split("/")[3];
179 -// decode payload to JSON
180 -var deviceType = 'sensor';
181 -
182 -// Result object with device attributes/telemetry data
183 -var result = {
184 - deviceName: deviceName,
185 - deviceType: deviceType,
186 - attributes: {
187 - integrationName: metadata['integrationName'],
188 - },
189 - telemetry: {
190 - temperature: data.temperature,
191 - humidity: data.humidity,
192 - }
193 -};
194 -
195 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
196 -
197 -return result;
198 -{{/code}}
199 -
200 -
201 -Click on the **Add** button.
202 -
203 -
204 -
205 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
206 -
207 -
208 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
209 -
210 -[[image:data-converter-list-showing-uplink-dc.png]]
211 -
212 -
213 -
214 -== 3.2 Downlink ==
215 -
216 -
217 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
218 -
219 -
220 -[[image:create-new-converter-menu.png||width="500"]]
221 -
222 -
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 -{{code language="JavaScript"}}
230 -// Encode downlink data from incoming Rule Engine message
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 -// Result object with encoded downlink payload
249 -var result = {
250 -
251 - // downlink data content type: JSON, TEXT or BINARY (base64 format)
252 - contentType: "JSON",
253 -
254 - // downlink data
255 - data: JSON.stringify(data),
256 -
257 - // Optional metadata object presented in key/value format
258 - metadata: {
259 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
260 - }
261 -
262 -};
263 -
264 -return result;
265 -{{/code}}
266 -
267 -
268 -Click on the **Add** button.
269 -
270 -
271 -
272 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
273 -
274 -
275 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
276 -
277 -
278 -[[image:data-converters-list.png]]
279 -
280 -
281 -
282 -= 4. Add Integration =
283 -
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 -**Basic settings:**
300 -
301 -* **Integration type**: MQTT
302 -* **Name**: MQTT integration NB/CB
303 -* **Enable integration**: YES
304 -* **Allows create devices or assets**: YES
305 -
306 -Click **Next** button.
307 -
308 -
309 -
310 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
311 -
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 -
388 -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.
389 -
390 -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.
391 -
392 -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.
393 -
394 -
395 -**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.**
396 -
397 -
398 -For example, if you send two MQTT messages with different device names in the topic:
399 -
400 -1. v1/devices/**S31B-NB**/telemetry
401 -1. v1/devices/**LDS25-NB**/telemetry
402 -
403 -ThingsBoard will create two devices named **S31B-NB** and **LDS25-NB** in the **//Devices//** section.
404 -
405 -
406 -The MQTT payload format is as follows, which is common for all ~-~-NB and ~-~-CB series devices:
407 -
408 -{{code language="none"}}
409 -{"temperature":10.4, "humidity":85}
410 -{{/code}}
411 -
412 -
413 -== 5.2 Sending messages ==
414 -
415 -
416 -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.
417 -
418 -{{code language="none"}}
419 -mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":10.4, "humidity":85}'
420 -{{/code}}
421 -
422 -If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
423 -
424 -
425 -[[image:integration-active.png]]
426 -
427 -
428 -Also, a new device named **S31B-NB** will appear under **//Entities -> Devices -> All//**. This means the first MQTT message triggers ThingsBoard to provision a device named **S31B-NB**.
429 -
430 -
431 -[[image:device-provision-1.png]]
432 -
433 -
434 -Click on the device S31B-NB on the devices list to see its details.
435 -
436 -Then go to the **Latest telemetry** tab.
437 -
438 -You can see the fields temperature and humidity with the values you previously sent using the MQTT message.
439 -
440 -
441 -[[image:telemetry-1.png]]
442 -
443 -
444 -Now, change the values of the fields and send the MQTT message again. For example, set temperature to 20 and humidity to 70. Observe how the values update in //Latest Telemetry//.
445 -
446 -
447 -[[image:telemetry-2.png]]
448 -
449 -
450 -Let's provision the second device named **LDS25-NB **with initial telemetry. Use the following MQTT message.
451 -
452 -
453 -{{code language="none"}}
454 -mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/LDS25-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":11, "humidity":87}'
455 -{{/code}}
456 -
457 -Now, refresh the **Devices** page, and you will see the second device, **LDS25-NB**, which was recently provisioned.
458 -
459 -
460 -[[image:device-provision-2.png]]
461 -
462 -
463 -= 6. Creating a Dashboard =
464 -
465 -
466 -In ThingsBoard, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu.
467 -
468 -
469 -[[image:dashboard-1.png]]
470 -
471 -
472 -In the **Title** text box, enter **NB/CB Test Dashboard** as the title of the dashboard.
473 -
474 -Click on the **Add** button.
475 -
476 -
477 -[[image:dashboard-2.png||height="526" width="500"]]
478 -
479 -
480 -Click on the **Add widget / Add new widget** button.
481 -
482 -
483 -[[image:dashboard-3.png]]
484 -
485 -
486 -
487 -
488 488  
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