Last modified by Alec Chen on 2025/04/02 18:03
From version 1.1
edited by Alec Chen
on 2025/04/02 14:48
Change comment: There is no comment for this version
To version 3.1
edited by Alec Chen
on 2025/04/02 16:29
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -How to integrating Dragino -NB and -CB series devices data with Thingseye
1 +How to communice Dragino -NB and -CB series devices data by MQTT with Thingseye
Content
... ... @@ -1,3 +1,5 @@
1 +**Table of Contents:**
2 +
1 1  = 1. Introduction =
2 2  
3 3  This document guides you on integrating Dragino **-NB** and **-CB** series devices data with Thingseye.
... ... @@ -8,28 +8,36 @@
8 8  
9 9  To complete this tutorial, you need to have certificate files. [[lns1.thingseye.io>>url:http://lns1.thingseye.io/]] is the Dragino's MQTT broker, which requires a CA certificate file, Certificate file, and the Private key file to use.
10 10  
11 -If customers need to use this MQTT connection with Thingseye, they need to contact the TE team to obtain three license files.
13 +If customers need to use this MQTT connection with Thingseye, they need to contact TE team to obtain three license files or click this [[link>>url:https://www.dropbox.com/scl/fo/d5s1wf36f4syv30a8laup/AK8FjVpNXYXCWodRnnQ1Hig?rlkey=jrz1ip0f0xwwq5z2m2gu1tuij&e=1&st=kl4caub0&dl=0]] to download the certificates..
12 12  
13 13  [[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/ins1.png?width=500&height=310&rev=1.1||alt="ins1.png" height="310" width="500"]]
14 14  
15 15  
16 -= 3. Creating Devices (Optional) =
18 += 3.General MQTT Connection =
17 17  
18 -**The following procedure is optional. If you haven't created any device in Thingseye first, Thingseye will automatically create a device for you based on the integration settings (the device name defined in the uplink decoder) just after it receives the first uplink from your device.Type your information message here.**
20 +The NB-IoT Sensor can send packet to server use MQTT protocol.
19 19  
20 -First, you need to create devices in Thingseye to represent your physical devices. For example, you can name it **Device A**, and the second device could be **Device B** or any name you prefer. The device name should be unique within the **Devices** space.
22 +Below are the commands.
21 21  
22 -In the left navigation, click **Entities -> Devices**.
24 +**AT Commands:**
23 23  
24 -Click the **Add Device** button (the button with the **+** sign), and from the dropdown menu, click **Add new device**.
26 +{{code language="none"}}
27 +AT+PRO=3,0                           //  Set to use MQTT protocol to uplink, Payload Type select Hex payload.
28 +AT+SERVADDR=120.24.4.116,1883        //  Set MQTT server address and port
29 +AT+CLIENT=CLIENT                     //  Set up the CLIENT of MQTT
30 +AT+UNAME=UNAME                       //  Set the username of MQTT
31 +AT+PWD=PWD                           //  Set the password of MQTT
32 +AT+PUBTOPIC=NSE01_PUB                //  Set the sending topic of MQTT
33 +AT+SUBTOPIC=NSE01_SUB                //  Set the subscription topic of MQTT
34 +{{/code}}
25 25  
26 -In the **Add new device** dialog box, enter the device name in the **Name** text box. For example, we will use **Device A**.
36 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/WebHome/image-20230802112413-4.png?rev=1.1||alt="image-20230802112413-4.png"]]
27 27  
28 -Click the **Add** button.
38 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/WebHome/image-20230802112413-5.png?width=987&height=530&rev=1.1||alt="image-20230802112413-5.png" height="530" width="987"]]
29 29  
30 -Skip the **connectivity testing** by clicking the **Close** button.
40 +(% class="text-uppercase small mark" %)##**Notice: MQTT protocol has a much higher power consumption compare with UDP/CoAP protocol. Please check the power analyze document and adjust the uplink**##
31 31  
32 -The device is created and listed on the **Devices** page. Note that its initial state is **Inactive** because it has not received any data yet.
42 +(% class="text-uppercase small mark" %)##**period to a suitable interval.**##
33 33  
34 34  = 4. Data Converters =
35 35  
... ... @@ -39,12 +39,13 @@
39 39  
40 40  In the left navigation, click **Integrations center**, and then click **Data converters**.
41 41  
42 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/data-converters-list-empty.png?rev=1.1||alt="data-converters-list-empty.png"]]
43 -
44 44  On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
45 45  
46 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/create-new-converter-menu.png?width=500&height=259&rev=1.1||alt="create-new-converter-menu.png"]]
54 +[[image:1743578461281-635.png]]
47 47  
56 +
57 +
58 +
48 48  The **Add data converter** window will appear.
49 49  
50 50  Let's create an uplink data converter for the device named '**Device A**'. Name it ‘**MQTT Uplink Converter - Device A**’ and select the Type as **Uplink**.
... ... @@ -128,12 +128,15 @@
128 128  
129 129  = 5. Add Integration =
130 130  
142 +== 5.1. Creat new MQTT integration ==
143 +
131 131  In the left navigation, click **Integrations center**, and then click **Integrations**.
132 132  
133 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/integrations-list-empty.png?rev=1.1||alt="integrations-list-empty.png"]]
134 -
135 135  On the **Integrations** page, click on the '**+**' button.
136 136  
148 +[[image:1743578691561-822.png]]
149 +
150 +
137 137  The **Add integration** window appears.
138 138  
139 139  In the **Add integration** window, configure the following settings:
... ... @@ -141,203 +141,94 @@
141 141  **Basic settings:**
142 142  
143 143  * **Integration type**: MQTT
144 -* **Name**: MQTT integration - Device A
158 +* **Name**: MQTT integration
145 145  * **Enable integration**: YES
160 +* **Debug mode**：YES
146 146  * **Allows create devices or assets**: YES
147 147  
148 148  Click **Next** button.
149 149  
150 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/add-integration-basic-settings.png?width=500&height=504&rev=1.2||alt="add-integration-basic-settings.png"]]
165 +[[image:1743578960106-916.png||height="549" width="547"]]
151 151  
152 -**Uplink data converter:**
153 153  
154 -* Click on the **Select existing** button.
155 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
168 +**Uplink/downlink  data converter:**
156 156  
170 +* (((
171 +Next, directly select to create a new Uplink data converter .
172 +)))
173 +
157 157  Click **Next** button.
158 158  
159 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/add-integration-ul-data-converter.png?width=500&height=505&rev=1.1||alt="add-integration-ul-data-converter.png"]]
176 +[[image:1743581191958-140.png||height="547" width="543"]]
160 160  
161 -**Downlink data converter:**
162 162  
163 -Dragino NB/CB devices don't require a downlink data converter to decode their payloads, so you can skip this step.
164 164  
165 -* Click on the **Skip **button in the Downlink data converter section.
180 +**Downlink data converter:**
166 166  
182 +* Next, directly select to create a new Uplink data converter .
183 +
167 167  Click **Skip** button.
168 168  
169 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/integration-dl-skip.png?width=500&height=511&rev=1.1||alt="integration-dl-skip.png"]]
186 +[[image:1743581287837-189.png||height="547" width="542"]]
170 170  
188 +
171 171  **Connection:**
172 172  
173 -* **Host**: Host URL (Eg. **//011731f7xxxxxxxxxxxfbbedfc63f4.s1.eu.hivemq.cloud//**)
191 +* **Host**: [[lns1.thingseye.io>>url:http://lns1.thingseye.io/]]
174 174  * **Port**: 8883
175 -* **Credentials type**: Basic
176 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
177 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
193 +* **Credentials **: PEM(Paste 3 certificates to boxs below)Click this [[link>>url:https://www.dropbox.com/scl/fo/d5s1wf36f4syv30a8laup/AK8FjVpNXYXCWodRnnQ1Hig?rlkey=jrz1ip0f0xwwq5z2m2gu1tuij&e=1&st=kl4caub0&dl=0]] to download the certificates.
194 +* **Password:** Password or nothng
178 178  * **Enable SSL**: YES
179 -* **Topic: device/a** (The topic can be anything; you can even use just the device name.)
180 -* **QoS:** 0-At most once
196 +* **Topic: ** **It needs to align with the device's topic.**
197 +* **QoS:** 0-At most once or an MQTT QoS level
181 181  
182 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/add-integartion-connection.png?width=500&height=505&rev=1.1||alt="add-integartion-connection.png"]]
199 +Click **Skip** button.
183 183  
184 -Click on the **Advanced settings** button.
201 +[[image:1743579352961-586.png||height="507" width="502"]]
185 185  
186 -* **Clean session:** YES
187 -* **Retained**: YES
203 +[[image:1743580606618-281.png||height="495" width="504"]]
188 188  
189 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/add-integration-connection-advanced-settings.png?width=500&height=510&rev=1.2||alt="add-integration-connection-advanced-settings.png"]]
190 190  
191 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
192 -
193 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/check-connection.png?width=300&height=83&rev=1.1||alt="check-connection.png"]]
194 -
195 -If the connection is successful, you will see the **Connected** message. If not, check your connection parameters again.
196 -
197 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/connection-success.png?width=500&height=511&rev=1.1||alt="connection-success.png"]]
198 -
199 199  Click on the **Add** button.
200 200  
201 201  You should see that the newly added integration is listed on the **Integrations** page.
202 202  
203 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
210 +Since we haven't received data from a device yet, the integration **Status** is shown as **Pending,  Active  instead if it have.**
204 204  
205 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/integration-added.png?rev=1.1||alt="integration-added.png"]]
206 206  
207 -= 6. Verifying the receipt of data from virtual devices =
208 208  
209 -== 6.1 How does it work? ==
210 210  
211 -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.
212 212  
213 -The Mosquitto client publishes messages (payloads) on the topic **/device/a**. Of course, you can use any topic for testing.
216 +== 5.2. Setup uplink and downlink converters ==
214 214  
215 -The MQTT payload format is as follows:
218 +First, you need to download the [[**MQTT uplink/downlink JS** **code**>>url:https://www.dropbox.com/scl/fo/d5s1wf36f4syv30a8laup/AK8FjVpNXYXCWodRnnQ1Hig?rlkey=jrz1ip0f0xwwq5z2m2gu1tuij&e=1&st=kl4caub0&dl=0]].
216 216  
217 -{{code language="none"}}
218 -{"IMEI": "350693903995577", "temperature":25, "humidity":80, "pressure":1005}
219 -{{/code}}
220 +* **Uplink Converter**
220 220  
221 -Once Thingseye receives this message, it forwards this payload to the matching device through the integration.
222 +The purpose of the decoder function is to parse the incoming data and metadata to a format that ThingsBoard can consume.
222 222  
223 -== 5.2 Sending messages ==
224 +Go to the **Integrations center** -> **Data converters** page, and find that MQTT uplink converter that was newly created when the integration was created.
224 224  
225 -On your computer's terminal, issue the following MQTT command which simulates the device '**Device A'**. The message payload contains the fields IMEI, temperature, humidity, and pressure, which hold the values 350693903995577, 30, 80, and 1005 respectively. This payload is also (technically) known as telemetry.
226 +[[image:1743581830822-223.png]]
226 226  
227 -{{code language="none"}}
228 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":30, "humidity":80, "pressure":1005}'
229 -{{/code}}
230 230  
231 -If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
229 +Enter edit mode and apply **MQTT uplink JS code** to this uplink converter.
232 232  
233 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/integration-active.png?rev=1.2||alt="integration-active.png"]]
231 +[[image:1743581965585-763.png]]
234 234  
235 -== 6.3 Viewing messages ==
236 236  
237 -Go back to the **Integrations** page.
234 +* **Downlink Converter**
238 238  
239 -Click on the **MQTT integration NB/CB** in the **Integrations** page to see its details.
236 +Go to the **Integrations center** -> **Data converters** page, and find that MQTT downlink converter that was newly created when the integration was created.
240 240  
241 -Click on the **Edit** button (//**pen icon**//).
242 242  
243 -Click on the **Disabled** button in the upper-right corner.
239 +Enter edit mode and apply **MQTT downlink JS code** to this downlink converter.
244 244  
245 -Turn on the **All messages (15 min)** option. This will enable displaying all messages in the **Events** tab. This setting will expire in 15 minutes, and you will need to repeat the same steps if you want to view the messages in the Events tab later.
241 +[[image:1743582084494-111.png]]
246 246  
247 -Click on the **Apply** button.
248 248  
249 -Then click on the **Apply changes** (//**tick icon**//) button.
250 250  
251 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/debug-enabled.png?width=700&height=301&rev=1.1||alt="debug-enabled.png"]]
252 252  
253 -Now go to the **Events** tab.
254 -
255 -Select the **Event type** as **Debug** from the dropdown list.
256 -
257 -Publish another message (of course, you can repeat the previous message by pressing the UP arrow on your keyboard and then press Enter key) to your MQTT broker from your terminal, for example:
258 -
259 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":30, "humidity":80, "pressure":1005}'
260 -
261 -Now you can see that uplink message in the **Events** tab (Click the **refresh** button if you didn't see any messages in the Events tab). The status should be **OK **if there is no errors in your integration.
262 -
263 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/Screenshot%202025-03-26%20at%2019.49.31.png?rev=1.1||alt="Screenshot 2025-03-26 at 19.49.31.png"]]
264 -
265 -Then click on the **three dots (...)** in the **Message** column. You can see the uplink message's **payload** in the **Message** window.
266 -
267 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/Screenshot%202025-03-26%20at%2019.47.52.png?rev=1.1||alt="Screenshot 2025-03-26 at 19.47.52.png"]]
268 -
269 -Now, you have successfully tested your integration with a simulated uplink payload and verified that it is received by Thingseye, and the device is provisioned.
270 -
271 -= 7. Creating a Dashboard =
272 -
273 -Thingseye **Dashboards** provide a powerful way to visualize and monitor real-time and historical data from connected devices. They allow users to create interactive, customizable panels displaying telemetry data, device status, and other key metrics. With a variety of widgets, including charts, maps, and tables, dashboards help users gain insights, track trends, and manage IoT deployments efficiently.
274 -
275 -This section guides you on how to create a dashboard to display temperature and humidity data from the device on a time-series chart. You may also use other widgets in Thingseye to display data according to your requirements.
276 -
277 -First simulate a few messages using MQTT. This time, we have added the 'humidity' field to the payload. Eg:
278 -
279 -{{code language="none"}}
280 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":80, "pressure":1005}'
281 -
282 -{{/code}}
283 -
284 -In **Thingseye**, from the left navigation menu, click **Dashboards**. Then, click the **+** button and select **Create new dashboard** from the dropdown menu.
285 -
286 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/dashboard-1.png?rev=1.1||alt="dashboard-1.png"]]
287 -
288 -In the **Title** text box, enter **NB/CB Test Dashboard** as the title of the dashboard.
289 -
290 -Click on the **Add** button.
291 -
292 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/dashboard-2.png?width=500&height=526&rev=1.1||alt="dashboard-2.png"]]
293 -
294 -Click on the **Add widget / Add new widget** button.
295 -
296 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/dashboard-3.png?rev=1.1||alt="dashboard-3.png"]]
297 -
298 -In the **Select widgets bundle** window, click **Charts**.
299 -
300 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/dashboard-4.png?width=700&height=537&rev=1.1||alt="dashboard-4.png"]]
301 -
302 -In the **Charts: select widget** window, click **Time series chart**.
303 -
304 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/dashboard-5.png?width=700&height=525&rev=1.1||alt="dashboard-5.png"]]
305 -
306 -Configure the **Time series chart** widget as follows:
307 -
308 -* **Datasource** - select **Device A** device you provisioned.
309 -* **Series**:
310 -** **temperature** - you can see this key by default.
311 -** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
312 -* Click on the **Add** button.
313 -
314 -(% class="box infomessage" %)
315 -(((
316 -You can add only the relevant fields from the device's payload to display data on a widget. These fields are called 'keys'.
317 -)))
318 -
319 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/Screenshot%202025-03-31%20at%2006.51.15.png?width=700&height=485&rev=1.1||alt="Screenshot 2025-03-31 at 06.51.15.png"]]
320 -
321 -The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner.
322 -
323 -Click the **Save** button to add the widget to the dashboard.
324 -
325 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/timeseries-3.png?width=700&height=347&rev=1.1||alt="timeseries-3.png"]]
326 -
327 -Now send the following MQTT messages from the terminal to simulate the data.
328 -
329 -{{code language="none"}}
330 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":22, "humidity":70, "pressure":1005}'
331 -
332 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":27, "humidity":72, "pressure":1005}'
333 -
334 -mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -u "xxxxx" -P "xxxxx" -t "device/a" -m '{"IMEI":"350693903995577", "temperature":19, "humidity":80, "pressure":1005}'
335 -{{/code}}
336 -
337 -The chart will update with the values in realtime, as shown in the below image.
338 -
339 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/ThingsBoard/timeseries-4.png?width=700&height=316&rev=1.1||alt="timeseries-4.png"]]
340 -
341 341  = 8. Configure Physical NB-IoT Sensor =
342 342  
343 343  Now, let's experiment with sending data to Thingseye using a real NB-IoT device. For example, we will use the **TS01-NB**.
1743578461281-635.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +272.1 KB
Content
1743578691561-822.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +230.6 KB
Content
1743578748298-164.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +86.7 KB
Content
1743578921379-944.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +85.5 KB
Content
1743578960106-916.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +85.4 KB
Content
1743579352961-586.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +104.7 KB
Content
1743580188942-159.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +157.1 KB
Content
1743580264901-750.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +154.8 KB
Content
1743580288154-524.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +154.3 KB
Content
1743580307872-530.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +155.1 KB
Content
1743580606618-281.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +127.1 KB
Content
1743581191958-140.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +154.2 KB
Content
1743581219626-974.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +156.7 KB
Content
1743581287837-189.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +180.8 KB
Content
1743581830822-223.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +249.6 KB
Content
1743581965585-763.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +418.9 KB
Content
1743582084494-111.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Alec
Size
... ... @@ -1,0 +1,1 @@
1 +418.8 KB
Content