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Last modified by Dilisi S on 2025/04/23 19:23
From version 60.1
edited by Dilisi S
on 2025/03/06 13:07
Change comment: Uploaded new attachment "mqtt-command-2.png", version {1}
To version 118.1
edited by Dilisi S
on 2025/03/08 20:20
Change comment: Uploaded new attachment "hivemq-8.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  
10 +
11 +
12 += 1. Introduction =
13 +
14 +
11 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 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  
15 15  
16 -= Add New Device =
20 += 2. Prerequisites =
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.
22 +To complete this tutorial, you need to have the following:
19 19  
20 -In the left navigation, click **Entities** and then click **Devices**.
24 +* ThingsBoard cloud account -
25 +* HiveMQ Cloud account
21 21  
22 22  
23 -[[image:device-list-empty.png]]
28 +== 2.1 HiveMQ Cloud ==
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.
31 +Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
27 27  
33 +Click on the **Start Free** button.
28 28  
29 -[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
35 +[[image:hivwmq-1.png]]
30 30  
31 31  
32 -The **Add new device** window appears. Name the device, for example '**Virtual NB/CB device**'.
38 +Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
33 33  
34 -Click on the **Next: Credentials** button.
40 +[[image:hivemq-2.png]]
35 35  
36 36  
37 -[[image:new-device-device-details.png||height="529" width="500"]]
43 +Click on the **Sign Up** button.
38 38  
45 +You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
39 39  
40 -Click the **Access token** button if it is not selected by default.
47 +If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
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'**.
43 43  
44 -Click on the **Add** button.
50 +[[image:hivemq-3.png]]
45 45  
46 -[[image:new-device-access-token.png||height="528" width="500"]]
47 47  
53 +You will receive an email to verify your email address. Click on the **Confirm my account** button.
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.
56 +[[image:hivemq-4.jpg||height="889" width="400"]]
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}}
59 +You will be redirected to a page asking you to complete your profile. Once done, click the **Continue** button.
58 58  
59 -Note that the **State** is still shown as **'Inactive'** in the **Latest telemetry** section.
60 60  
61 -[[image:new-device-check-connectivity.png||height="522" width="500"]]
62 +[[image:hivemq-5.png||height="655" width="700"]]
62 62  
63 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 +Select the CloudMQ Cloud plan you need. For testing purposes, select the **Serverless FREE** plan by clicking on the **Create Serverless Cluster** button.
65 65  
66 66  
67 -[[image:mqtt-command-1.png||height="228" width="700"]]
68 +[[image:hivemq-6.png]]
68 68  
69 69  
71 +You will be navigated to the **Your Clusters** page. Click on the **Manage Cluster** button.
70 70  
73 +[[image:hivemq-7.png]]
71 71  
72 -[[image:new-device-telemetry-test.png||height="520" width="500"]]
73 73  
76 +In your cluster page, you can find some useful parameters you need to create a MQTT connection.
74 74  
78 +**URL**: This is the host name. Click on the copy button to copy it.
75 75  
76 -= Data Converters =
80 +**Port**: 8883
77 77  
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 +
78 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 79  
80 80  
81 -== Uplink ==
96 +== 2.1 Uplink ==
82 82  
98 +
83 83  In the left navigation, click **Integrations center**, and then click **Data converters**.
84 84  
85 85  
86 -[[image:data-converter-list-page.png]]
87 87  
103 +[[image:data-converters-list-empty.png]]
88 88  
89 -On the **Data converters** page, click on the ‘+’ button, and then click on the **Create new converter** from the dropdown menu.
90 90  
106 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
91 91  
92 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
93 93  
94 94  
110 +[[image:create-new-converter-menu.png||height="259" width="500"]]
111 +
112 +
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.
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.
98 98  
99 99  {{code language="JavaScript"}}
100 -//Version: 0.1
118 +/** Decoder **/
119 +
101 101  // decode payload to string
102 102  var payloadStr = decodeToString(payload);
122 +var data = JSON.parse(payloadStr);
103 103  
124 +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();
126 +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 -}
128 +// Result object with device attributes/telemetry data
191 191  var result = {
192 -
193 193   deviceName: deviceName,
194 - deviceType: modelname,
131 + deviceType: deviceType,
195 195   attributes: {
196 - model: modelname,
197 - //customerName: "NB-CB",
198 - //groupName: "NB-CB",
199 - //integrationName: metadata['integrationName']
200 -
133 + integrationName: metadata['integrationName'],
201 201   },
202 - telemetry: listdata
203 -}
135 + telemetry: {
136 + temperature: data.temperature,
137 + humidity: data.humidity,
138 + }
139 +};
204 204  
205 -function decodeToString(payload) {
206 - return String.fromCharCode.apply(String, payload);
207 -}
141 +/** 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  
146 +
222 222  Click on the **Add** button.
223 223  
224 224  
225 -[[image:uplink-data-converter.png||height="529" width="500"]]
226 226  
151 +[[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.
154 +You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
230 230  
231 -
232 232  [[image:data-converter-list-showing-uplink-dc.png]]
233 233  
234 234  
235 -== Downlink ==
236 236  
160 +== 3.2 Downlink ==
161 +
162 +
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  
239 239  
240 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
166 +[[image:create-new-converter-menu.png||width="500"]]
241 241  
242 242  
169 +
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.
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.
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 -}
176 +// Encode downlink data from incoming Rule Engine message
260 260  
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 +
261 261  // Result object with encoded downlink payload
262 262  var result = {
196 +
263 263   // downlink data content type: JSON, TEXT or BINARY (base64 format)
264 - contentType: "BINARY",
198 + contentType: "JSON",
265 265  
266 266   // downlink data
267 - data:hexToBase64(metadata.shared_value)
201 + data: JSON.stringify(data),
268 268  
269 269   // Optional metadata object presented in key/value format
270 - //metadata: {}
204 + metadata: {
205 + topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
206 + }
271 271  
272 272  };
273 273  
... ... @@ -278,26 +278,29 @@
278 278  Click on the **Add** button.
279 279  
280 280  
281 -[[image:downlink-data-converter.png||height="530" width="500"]]
282 282  
218 +[[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.
221 +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]]
224 +[[image:data-converters-list.png]]
289 289  
290 290  
291 -= Add Integration =
292 292  
228 += 3. Add Integration =
229 +
230 +
293 293  In the left navigation, click **Integrations center**, and then click **Integrations**.
294 294  
295 -On the **Integrations** page, click on the '**+**' button.
296 296  
234 +[[image:integrations-list-empty.png]]
297 297  
298 -[[image:data-converter-list-page.png]]
299 299  
237 +On the **Integrations** page, click on the '**+**' button.
300 300  
239 +
301 301  The **Add integration** window appears.
302 302  
303 303  In the **Add integration** window, configure the following settings:
... ... @@ -307,14 +307,16 @@
307 307  
308 308  * **Integration type**: MQTT
309 309  * **Name**: MQTT integration NB/CB
249 +* **Enable integration**: YES
250 +* **Allows create devices or assets**: YES
310 310  
311 311  Click **Next** button.
312 312  
313 313  
255 +
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.
... ... @@ -323,8 +323,8 @@
323 323  Click **Next** button.
324 324  
325 325  
326 -[[image:add-integration-uplink-data-converter.png||width="500"]]
327 327  
268 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
328 328  
329 329  
330 330  **Downlink data converter:**
... ... @@ -335,33 +335,45 @@
335 335  Click **Next** button.
336 336  
337 337  
338 -[[image:add-integration-downlink-data-converter.png||height="510" width="500"]]
339 339  
280 +[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
340 340  
341 341  
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)
285 +* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
286 +* **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
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
351 351  
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 +
352 352  Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
353 353  
354 354  
355 -[[image:add-integration-connection.png||width="500"]]
308 +[[image:check-connection.png||height="83" width="300"]]
356 356  
357 357  
358 -If the connection is successful, you will see the **Connected** message.
311 +If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
359 359  
360 -Click on the **Add** button.
361 361  
314 +[[image:connection-success.png||height="511" width="500"]]
362 362  
363 -[[image:add-connection-success.png||height="511" width="500"]]
364 364  
317 +Click on the **Add** button.
365 365  
366 366  You should see that the newly added integration is listed on the **Integrations** page.
367 367  
... ... @@ -369,9 +369,16 @@
369 369  
370 370  
371 371  
372 -[[image:integrations-list-added-pending.png]]
325 +[[image:new-integration-pending.png]]
373 373  
374 374  
375 -= Verifying the receipt of data from the device =
328 += 5. Verifying the receipt of data from the device =
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.
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.
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