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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 19.1
edited by Dilisi S
on 2025/03/04 04:15
Change comment: Uploaded new attachment "Data-converter-list.png", version {1}

Summary

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... ... @@ -6,204 +6,217 @@
6 6  Draft Document
7 7  {{/warning}}
8 8  
9 += Introduction =
9 9  
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.
10 10  
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.
11 11  
12 -= 1. Introduction =
13 13  
16 += Add New Device =
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.
18 +In the left navigation, click **Entities** and then click **Devices**.
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**.
18 18  
21 +[[image:ThingsBoard-Device.png]]
19 19  
20 -= 2. Prerequisites =
21 21  
22 -To complete this tutorial, you need to have the following:
24 +On the ‘**Devices**’ page, click on the ‘**+**’ button, and then click on the ‘**Add new device**’ from the dropdown menu.
23 23  
24 -* ThingsBoard cloud account -
25 -* HiveMQ Cloud account
26 26  
27 +[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
27 27  
28 -== 2.1 HiveMQ Cloud ==
29 29  
30 30  
31 -Go to [[https:~~/~~/www.hivemq.com>>https://www.hivemq.com]]
31 += Data Converters =
32 32  
33 -Click on the **Start Free** button.
34 34  
35 -[[image:hivwmq-1.png]]
34 +== Uplink ==
36 36  
36 +In the left navigation, click ‘Integrations center’, and then click ‘Data converters’.
37 37  
38 -Click on the **Sign Up FREE Now** button in the **HIVEMQ CLOUD** section.
39 39  
40 -[[image:hivemq-2.png]]
39 +[[image:ThingsBoard-Data-Converters.png]]
41 41  
42 42  
43 -Click on the **Sign Up** button.
42 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
44 44  
45 -You can sign up with HiveMQ using your **GitHub**, **Google**, or **LinkedIn** account.
46 46  
47 -If not, provide your **email address** and a **password** to create an account by clicking on the **Sign Up** button.
45 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
48 48  
49 49  
50 -[[image:hivemq-3.png]]
48 +The ‘Add data converter’ window will appear. Name it ‘**UDP Uplink Converter NB/CB**’ and select the Type as ‘Uplink’.
51 51  
50 +Click on the ‘JavaScript’ button. Now copy and paste the following script to the ‘Decoder function’ section:
52 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 -
117 117  {{code language="JavaScript"}}
118 -/** Decoder **/
119 -
53 +//Version: 0.1
120 120  // decode payload to string
121 121  var payloadStr = decodeToString(payload);
122 -var data = JSON.parse(payloadStr);
123 123  
124 -var deviceName = metadata.topic.split("/")[3];
125 125  // decode payload to JSON
126 -var deviceType = 'sensor';
58 +var objdata = {};
59 +var obj1 = {};
60 +var data = decodeToJson(payload);
61 +var deviceName = data.IMEI;
62 +delete data.IMEI;
63 +var modelname = "Dragino " + data.Model;
64 +//var mod = data.mod
65 +delete data.Model;
66 +//delete data.mod
67 +var timestamp = new Date().getTime();
127 127  
128 -// Result object with device attributes/telemetry data
69 +for (var key in data) {
70 +
71 + if (Number(key)) {
72 + obj1[key] = data[key];
73 + obj1[key][obj1[key].length - 1] = Number(new Date(
74 + obj1[key][obj1[key].length - 1]));
75 +
76 + }
77 +//Alec submitted25/02/25
78 +//turn old key into new
79 + else if (key === "Reading") {
80 + objdata["reading"] = data[key];
81 + } else if (key === "work mode") {
82 + objdata["work_mode"] = data[key];
83 + } else if (key === "hum") {
84 + objdata["humidity"] = data[key];
85 + }else if (key === "hum2") {
86 + objdata["humidity2"] = data[key];
87 + } else if (key === "hum3") {
88 + objdata["humidity3"] = data[key];
89 + } else if (key === "tem") {
90 + objdata["temperature"] = data[key];
91 + } else if (key === "tem2") {
92 + objdata["temperature2"] = data[key];
93 + } else if (key === "tem3") {
94 + objdata["temperature3"] = data[key];
95 + } else if (key === "DS18B20_Temp") {
96 + objdata["temperature_pro"] = data[key];
97 + } else if (key === "ds18b20_temperature") {
98 + objdata["temperature_pro"] = data[key];
99 + } else if (key === "DS18B20_temperature_pro") {
100 + objdata["temperature_pro"] = data[key];
101 + } else if (key === "tdc send flag") {
102 + objdata["tdc_send_flag"] = data[key];
103 + } else if (key === "trigger mode") {
104 + objdata["trigger_mode"] = data[key];
105 + } else if (key === "soil dielectric constant") {
106 + objdata["soil_dielectric_constant"] = data[key];
107 + } else if (key === "door open num") {
108 + objdata["door_open_num"] = data[key];
109 + } else if (key === "door duration") {
110 + objdata["door_duration"] = data[key];
111 + } else if (key === "count time") {
112 + objdata["count_time"] = data[key];
113 + } else if (key === "last open time2") {
114 + objdata["last_open_time2"] = data[key];
115 + } else if (key === "last open time3") {
116 + objdata["last_open_time3"] = data[key];
117 + }
118 +//Alec submitted25/02/25
119 + else {
120 + objdata[key] = data[key]
121 + }
122 +}
123 +var listdata = [{
124 + "ts": timestamp,
125 + "values": objdata
126 +}]
127 +for (var key1 in obj1) {
128 + if (modelname == "Dragino RS485-NB") {
129 + listdata.push({
130 + "ts": obj1[key1][obj1[key1].length - 1],
131 + "values": {
132 + "Payload": obj1[key1][0],
133 + }
134 + })
135 + } else {
136 + listdata.push({
137 + "ts": obj1[key1][obj1[key1].length - 1],
138 + "values": {
139 + "values": obj1[key1]
140 + },
141 + })
142 + }
143 +}
129 129  var result = {
145 +
130 130   deviceName: deviceName,
131 - deviceType: deviceType,
147 + deviceType: modelname,
132 132   attributes: {
133 - integrationName: metadata['integrationName'],
149 + model: modelname,
150 + //customerName: "NB-CB",
151 + //groupName: "NB-CB",
152 + //integrationName: metadata['integrationName']
153 +
134 134   },
135 - telemetry: {
136 - temperature: data.temperature,
137 - humidity: data.humidity,
138 - }
139 -};
155 + telemetry: listdata
156 +}
140 140  
141 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
158 +function decodeToString(payload) {
159 + return String.fromCharCode.apply(String, payload);
160 +}
142 142  
143 -return result;
144 -{{/code}}
162 +function decodeToJson(payload) {
163 + // covert payload to string.
164 + var str = decodeToString(payload);
145 145  
166 + // parse string to JSON
167 + var data = JSON.parse(str);
168 + return data;
169 +}
146 146  
147 -Click on the **Add** button.
171 +return result;
148 148  
173 +{{/code}}
149 149  
175 +Click on the ‘Add’ button.
150 150  
151 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
152 152  
178 +[[image:ThingsBoard-add-data-converter-uplink.png||width="500"]]
153 153  
154 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
155 155  
156 -[[image:data-converter-list-showing-uplink-dc.png]]
181 +The uplink data converter is added to ThingsBoard and appears on the ‘Data Converters’ page
157 157  
158 158  
184 +== Downlink ==
159 159  
160 -== 3.2 Downlink ==
186 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
161 161  
162 162  
163 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
189 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
164 164  
165 165  
166 -[[image:create-new-converter-menu.png||width="500"]]
192 +The ‘**Add data converter**’ window will appear. Name it ‘**UDP Downlink Converter NB/CB**’ and select the Type as ‘**Downlink**’.
167 167  
194 +Click on the ‘**JavaScript**’ button. Now copy and paste the following script to the ‘**Encoder function**’ section:
168 168  
169 169  
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 -
175 175  {{code language="JavaScript"}}
176 -// Encode downlink data from incoming Rule Engine message
198 +function hexToBase64(hexString) {
199 + // 将16进制字符串两个字符转换为一个字节
200 + var bytes = hexString.match(/.{2}/g);
201 + // 对每个字节进行解析，并转换为对应的字符
202 + var binaryString = bytes.map(function(byte) {
203 + return String.fromCharCode(parseInt(byte, 16));
204 + }).join('');
205 +
206 + // 使用btoa进行base64编码
207 + return btoa(binaryString);
208 +}
177 177  
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 -
194 194  // Result object with encoded downlink payload
195 195  var result = {
196 -
197 197   // downlink data content type: JSON, TEXT or BINARY (base64 format)
198 - contentType: "JSON",
213 + contentType: "BINARY",
199 199  
200 200   // downlink data
201 - data: JSON.stringify(data),
216 + data:hexToBase64(metadata.shared_value)
202 202  
203 203   // Optional metadata object presented in key/value format
204 - metadata: {
205 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
206 - }
219 + //metadata: {}
207 207  
208 208  };
209 209  
... ... @@ -214,124 +214,79 @@
214 214  Click on the **Add** button.
215 215  
216 216  
230 +[[image:ThingsBoard-add-data-converter-downlink.png||height="532" width="500"]]
217 217  
218 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
219 219  
233 += Add Integration =
220 220  
221 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
235 +In the left navigation, click ‘Integrations center’, and then click ‘Integrations’.
222 222  
237 +On the ‘Integrations’ page, click on the “+” button.
223 223  
224 -[[image:data-converters-list.png]]
225 225  
240 +[[image:ThingsBoard-add-integration.png]]
226 226  
227 227  
228 -= 3. Add Integration =
243 +The ‘Add integration’ window appears.
229 229  
245 +In the Add Integration window, configure the following settings:
230 230  
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 -
245 245  **Basic settings:**
246 246  
247 -* **Integration type**: MQTT
248 -* **Name**: MQTT integration NB/CB
249 -* **Enable integration**: YES
250 -* **Allows create devices or assets**: YES
249 +* **Integration type**: UDP
250 +* **Name**: UDP Integration NB/CB
251 251  
252 252  Click **Next** button.
253 253  
254 254  
255 -
256 256  [[image:add-integration-basic-settings.png||height="511" width="500"]]
257 257  
258 258  
259 259  **Uplink data converter:**
260 260  
261 -* Click on the **Select existing** button.
262 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
260 +* Click on the ‘**Select existing**’ button.
261 +* Uplink data converter: Select ‘**UDP Uplink Converter NB/CB**’ from the dropdown list.
263 263  
264 264  Click **Next** button.
265 265  
266 266  
267 -
268 268  [[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
269 269  
270 270  
271 271  **Downlink data converter:**
272 272  
273 -* Click on the **Select existing** button.
274 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
271 +* Click on the ‘**Select existing**’ button.
272 +* Downlink data converter: Select ‘**UDP Downlink Converter NB/CB**’ from the dropdown list.
275 275  
276 276  Click **Next** button.
277 277  
278 278  
277 +[[image:add-integration-downlink-data-converter.png||height="512" width="500"]]
279 279  
280 -[[image:add-integration-downlink-data-converter.png||height="511" width="500"]]
281 281  
282 -
283 283  **Connection:**
284 284  
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
282 +**Port**: 11582
293 293  
294 -[[image:add-integration-connection.png||height="511" width="500"]]
284 +**Size of the buffer for inbound socket (in KB)**: 64
295 295  
286 +**Cache Size**: 10000000
296 296  
297 -Click on the **Advanced settings** button.
288 +**Cache time to live in minutes**: 1440
298 298  
299 -* **Clean session:** NO
300 -* **Retained**: NO
301 301  
302 -[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
291 +Copy the two keys, **Integration key** and **Integration secret** into a text editor, as you will need them in the section ‘xxxxx’.
303 303  
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 -
317 317  Click on the **Add** button.
318 318  
319 -You should see that the newly added integration is listed on the **Integrations** page.
320 320  
321 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
296 +[[image:add-integration-connection.png||height="511" width="500"]]
322 322  
323 323  
324 324  
325 -[[image:new-integration-pending.png]]
300 += Verifying the receipt of data from the device =
326 326  
302 +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.
327 327  
328 -= 5. Verifying the receipt of data from the device =
329 329  
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.
305 +
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