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Last modified by Dilisi S on 2025/04/23 19:23
From version 9.1
edited by Dilisi S
on 2025/03/03 02:28
Change comment: Uploaded new attachment "ThingsBoard-add-data-converter-downlink.png", version {1}
To version 22.1
edited by Dilisi S
on 2025/03/04 04:36
Change comment: Uploaded new attachment "Integrations-list.png", version {1}

Summary

Details

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2 2  
3 3  {{toc/}}
4 4  
5 +{{warning}}
6 +Draft Document
7 +{{/warning}}
5 5  
6 6  = Introduction =
7 7  
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.
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.
9 9  
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 +
15 +
16 += Add New Device =
17 +
18 +In the left navigation, click **Entities** and then click **Devices**.
19 +
20 +
21 +[[image:ThingsBoard-Device.png]]
22 +
23 +
24 +On the **Devices **page, click on the ‘**+**’ button, and then click on the **Add new device **from the dropdown menu.
25 +
26 +
27 +[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
28 +
29 +
30 +
31 += Data Converters =
32 +
33 +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.
34 +
35 +
36 +== Uplink ==
37 +
38 +In the left navigation, click **Integrations center**, and then click **Data converters**.
39 +
40 +
41 +[[image:ThingsBoard-Data-Converters.png]]
42 +
43 +
44 +On the **Data converters** page, click on the ‘+’ button, and then click on the **Create new converter** from the dropdown menu.
45 +
46 +
47 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
48 +
49 +
50 +The **Add data converter** window will appear. Name it ‘**UDP Uplink Converter NB/CB**’ and select the Type as **Uplink**.
51 +
52 +Click on the **JavaScript** button. Now copy and paste the following script to the **Decoder function** section:
53 +
54 +{{code language="JavaScript"}}
55 +//Version: 0.1
56 +// decode payload to string
57 +var payloadStr = decodeToString(payload);
58 +
59 +// decode payload to JSON
60 +var objdata = {};
61 +var obj1 = {};
62 +var data = decodeToJson(payload);
63 +var deviceName = data.IMEI;
64 +delete data.IMEI;
65 +var modelname = "Dragino " + data.Model;
66 +//var mod = data.mod
67 +delete data.Model;
68 +//delete data.mod
69 +var timestamp = new Date().getTime();
70 +
71 +for (var key in data) {
72 +
73 + if (Number(key)) {
74 + obj1[key] = data[key];
75 + obj1[key][obj1[key].length - 1] = Number(new Date(
76 + obj1[key][obj1[key].length - 1]));
77 +
78 + }
79 +//Alec submitted25/02/25
80 +//turn old key into new
81 + else if (key === "Reading") {
82 + objdata["reading"] = data[key];
83 + } else if (key === "work mode") {
84 + objdata["work_mode"] = data[key];
85 + } else if (key === "hum") {
86 + objdata["humidity"] = data[key];
87 + }else if (key === "hum2") {
88 + objdata["humidity2"] = data[key];
89 + } else if (key === "hum3") {
90 + objdata["humidity3"] = data[key];
91 + } else if (key === "tem") {
92 + objdata["temperature"] = data[key];
93 + } else if (key === "tem2") {
94 + objdata["temperature2"] = data[key];
95 + } else if (key === "tem3") {
96 + objdata["temperature3"] = data[key];
97 + } else if (key === "DS18B20_Temp") {
98 + objdata["temperature_pro"] = data[key];
99 + } else if (key === "ds18b20_temperature") {
100 + objdata["temperature_pro"] = data[key];
101 + } else if (key === "DS18B20_temperature_pro") {
102 + objdata["temperature_pro"] = data[key];
103 + } else if (key === "tdc send flag") {
104 + objdata["tdc_send_flag"] = data[key];
105 + } else if (key === "trigger mode") {
106 + objdata["trigger_mode"] = data[key];
107 + } else if (key === "soil dielectric constant") {
108 + objdata["soil_dielectric_constant"] = data[key];
109 + } else if (key === "door open num") {
110 + objdata["door_open_num"] = data[key];
111 + } else if (key === "door duration") {
112 + objdata["door_duration"] = data[key];
113 + } else if (key === "count time") {
114 + objdata["count_time"] = data[key];
115 + } else if (key === "last open time2") {
116 + objdata["last_open_time2"] = data[key];
117 + } else if (key === "last open time3") {
118 + objdata["last_open_time3"] = data[key];
119 + }
120 +//Alec submitted25/02/25
121 + else {
122 + objdata[key] = data[key]
123 + }
124 +}
125 +var listdata = [{
126 + "ts": timestamp,
127 + "values": objdata
128 +}]
129 +for (var key1 in obj1) {
130 + if (modelname == "Dragino RS485-NB") {
131 + listdata.push({
132 + "ts": obj1[key1][obj1[key1].length - 1],
133 + "values": {
134 + "Payload": obj1[key1][0],
135 + }
136 + })
137 + } else {
138 + listdata.push({
139 + "ts": obj1[key1][obj1[key1].length - 1],
140 + "values": {
141 + "values": obj1[key1]
142 + },
143 + })
144 + }
145 +}
146 +var result = {
147 +
148 + deviceName: deviceName,
149 + deviceType: modelname,
150 + attributes: {
151 + model: modelname,
152 + //customerName: "NB-CB",
153 + //groupName: "NB-CB",
154 + //integrationName: metadata['integrationName']
155 +
156 + },
157 + telemetry: listdata
158 +}
159 +
160 +function decodeToString(payload) {
161 + return String.fromCharCode.apply(String, payload);
162 +}
163 +
164 +function decodeToJson(payload) {
165 + // covert payload to string.
166 + var str = decodeToString(payload);
167 +
168 + // parse string to JSON
169 + var data = JSON.parse(str);
170 + return data;
171 +}
172 +
173 +return result;
174 +
175 +{{/code}}
176 +
177 +Click on the **Add** button.
178 +
179 +
180 +[[image:ThingsBoard-add-data-converter-uplink.png||width="500"]]
181 +
182 +
183 +The uplink data converter is added to ThingsBoard and is listed on the **Data Converters** page.
184 +
185 +
186 +[[image:Data-converter-list-uplink-only.png]]
187 +
188 +
189 +== Downlink ==
190 +
191 +On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
192 +
193 +
194 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
195 +
196 +
197 +The **Add data converter** window will appear. Name it ‘**UDP Downlink Converter NB/CB**’ and select the Type as **Downlink**.
198 +
199 +Click on the **JavaScript** button. Now copy and paste the following script to the **Encoder function **section:
200 +
201 +
202 +{{code language="JavaScript"}}
203 +function hexToBase64(hexString) {
204 + // 将16进制字符串两个字符转换为一个字节
205 + var bytes = hexString.match(/.{2}/g);
206 + // 对每个字节进行解析，并转换为对应的字符
207 + var binaryString = bytes.map(function(byte) {
208 + return String.fromCharCode(parseInt(byte, 16));
209 + }).join('');
10 10  
211 + // 使用btoa进行base64编码
212 + return btoa(binaryString);
213 +}
214 +
215 +// Result object with encoded downlink payload
216 +var result = {
217 + // downlink data content type: JSON, TEXT or BINARY (base64 format)
218 + contentType: "BINARY",
219 +
220 + // downlink data
221 + data:hexToBase64(metadata.shared_value)
222 +
223 + // Optional metadata object presented in key/value format
224 + //metadata: {}
225 +
226 +};
227 +
228 +return result;
229 +{{/code}}
230 +
231 +
232 +Click on the **Add** button.
233 +
234 +
235 +[[image:ThingsBoard-add-data-converter-downlink.png||height="532" width="500"]]
236 +
237 +
238 +The downlink data converter is added to ThingsBoard and is listed on the **Data Converters** page.
239 +
240 +
241 +[[image:Data-converter-list.png]]
242 +
243 +
244 += Add Integration =
245 +
246 +In the left navigation, click **Integrations center**, and then click **Integrations**.
247 +
248 +On the **Integrations** page, click on the '**+**' button.
249 +
250 +
251 +[[image:ThingsBoard-add-integration.png]]
252 +
253 +
254 +The **Add integration** window appears.
255 +
256 +In the Add Integration window, configure the following settings:
257 +
258 +
259 +
260 +**Basic settings:**
261 +
262 +* **Integration type**: UDP
263 +* **Name**: UDP Integration NB/CB
264 +
265 +Click **Next** button.
266 +
267 +
268 +[[image:add-integration-basic-settings.png||height="511" width="500"]]
269 +
270 +
271 +**Uplink data converter:**
272 +
273 +* Click on the **Select existing** button.
274 +* **Uplink data converter**: Select **UDP Uplink Converter NB/CB **from the dropdown list.
275 +
276 +Click **Next** button.
277 +
278 +
279 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
280 +
281 +
282 +**Downlink data converter:**
283 +
284 +* Click on the **Select existing** button.
285 +* **Downlink data converter**: Select **UDP Downlink Converter NB/CB **from the dropdown list.
286 +
287 +Click **Next** button.
288 +
289 +
290 +[[image:add-integration-downlink-data-converter.png||height="512" width="500"]]
291 +
292 +
293 +**Connection:**
294 +
295 +* **Port**: 11582
296 +* **Size of the buffer for inbound socket (in KB)**: 64
297 +* **Cache Size**: 10000000
298 +* **Cache time to live in minutes**: 1440
299 +
300 +Copy the two keys, **Integration key** and **Integration secret** into a text editor, as you will need them in the section ‘xxxxx’.
301 +
302 +Click on the **Add** button.
303 +
304 +
305 +[[image:add-integration-connection.png||height="511" width="500"]]
306 +
307 +
308 +
309 += Verifying the receipt of data from the device =
310 +
311 +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.
312 +
313 +
314 +
Data-converter-list-uplink-only.png
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