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Last modified by Dilisi S on 2025/04/23 19:23
From version 20.1
edited by Dilisi S
on 2025/03/04 04:18
Change comment: Uploaded new attachment "Data-converter-list-uplink-only.png", version {1}
To 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}

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2 2  
3 3  {{toc/}}
4 4  
5 -{{warning}}
6 -Draft Document
7 -{{/warning}}
8 8  
9 9  = Introduction =
10 10  
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.
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.
12 12  
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 -
34 -== Uplink ==
35 -
36 -In the left navigation, click ‘Integrations center’, and then click ‘Data converters’.
37 -
38 -
39 -[[image:ThingsBoard-Data-Converters.png]]
40 -
41 -
42 -On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
43 -
44 -
45 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
46 -
47 -
48 -The ‘Add data converter’ window will appear. Name it ‘**UDP Uplink Converter NB/CB**’ and select the Type as ‘Uplink’.
49 -
50 -Click on the ‘JavaScript’ button. Now copy and paste the following script to the ‘Decoder function’ section:
51 -
52 -{{code language="JavaScript"}}
53 -//Version: 0.1
54 -// decode payload to string
55 -var payloadStr = decodeToString(payload);
56 -
57 -// decode payload to JSON
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();
68 -
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 -}
144 -var result = {
145 -
146 - deviceName: deviceName,
147 - deviceType: modelname,
148 - attributes: {
149 - model: modelname,
150 - //customerName: "NB-CB",
151 - //groupName: "NB-CB",
152 - //integrationName: metadata['integrationName']
153 -
154 - },
155 - telemetry: listdata
156 -}
157 -
158 -function decodeToString(payload) {
159 - return String.fromCharCode.apply(String, payload);
160 -}
161 -
162 -function decodeToJson(payload) {
163 - // covert payload to string.
164 - var str = decodeToString(payload);
165 -
166 - // parse string to JSON
167 - var data = JSON.parse(str);
168 - return data;
169 -}
170 -
171 -return result;
172 -
173 -{{/code}}
174 -
175 -Click on the ‘Add’ button.
176 -
177 -
178 -[[image:ThingsBoard-add-data-converter-uplink.png||width="500"]]
179 -
180 -
181 -The uplink data converter is added to ThingsBoard and appears on the ‘Data Converters’ page
182 -
183 -
184 -== Downlink ==
185 -
186 -On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
187 -
188 -
189 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
190 -
191 -
192 -The ‘**Add data converter**’ window will appear. Name it ‘**UDP Downlink Converter NB/CB**’ and select the Type as ‘**Downlink**’.
193 -
194 -Click on the ‘**JavaScript**’ button. Now copy and paste the following script to the ‘**Encoder function**’ section:
195 -
196 -
197 -{{code language="JavaScript"}}
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('');
205 205  
206 - // 使用btoa进行base64编码
207 - return btoa(binaryString);
208 -}
209 -
210 -// Result object with encoded downlink payload
211 -var result = {
212 - // downlink data content type: JSON, TEXT or BINARY (base64 format)
213 - contentType: "BINARY",
214 -
215 - // downlink data
216 - data:hexToBase64(metadata.shared_value)
217 -
218 - // Optional metadata object presented in key/value format
219 - //metadata: {}
220 -
221 -};
222 -
223 -return result;
224 -{{/code}}
225 -
226 -
227 -Click on the **Add** button.
228 -
229 -
230 -[[image:ThingsBoard-add-data-converter-downlink.png||height="532" width="500"]]
231 -
232 -
233 -= Add Integration =
234 -
235 -In the left navigation, click ‘Integrations center’, and then click ‘Integrations’.
236 -
237 -On the ‘Integrations’ page, click on the “+” button.
238 -
239 -
240 -[[image:ThingsBoard-add-integration.png]]
241 -
242 -
243 -The ‘Add integration’ window appears.
244 -
245 -In the Add Integration window, configure the following settings:
246 -
247 -**Basic settings:**
248 -
249 -* **Integration type**: UDP
250 -* **Name**: UDP Integration NB/CB
251 -
252 -Click **Next** button.
253 -
254 -
255 -[[image:add-integration-basic-settings.png||height="511" width="500"]]
256 -
257 -
258 -**Uplink data converter:**
259 -
260 -* Click on the ‘**Select existing**’ button.
261 -* Uplink data converter: Select ‘**UDP Uplink Converter NB/CB**’ from the dropdown list.
262 -
263 -Click **Next** button.
264 -
265 -
266 -[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
267 -
268 -
269 -**Downlink data converter:**
270 -
271 -* Click on the ‘**Select existing**’ button.
272 -* Downlink data converter: Select ‘**UDP Downlink Converter NB/CB**’ from the dropdown list.
273 -
274 -Click **Next** button.
275 -
276 -
277 -[[image:add-integration-downlink-data-converter.png||height="512" width="500"]]
278 -
279 -
280 -**Connection:**
281 -
282 -**Port**: 11582
283 -
284 -**Size of the buffer for inbound socket (in KB)**: 64
285 -
286 -**Cache Size**: 10000000
287 -
288 -**Cache time to live in minutes**: 1440
289 -
290 -
291 -Copy the two keys, **Integration key** and **Integration secret** into a text editor, as you will need them in the section ‘xxxxx’.
292 -
293 -Click on the **Add** button.
294 -
295 -
296 -[[image:add-integration-connection.png||height="511" width="500"]]
297 -
298 -
299 -
300 -= Verifying the receipt of data from the device =
301 -
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.
303 -
304 -
305 -
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