Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 143.1 >
edited by Edwin Chen
on 2022/08/13 18:32
To version < 101.3 >
edited by Xiaoling
on 2022/07/20 11:21
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -28,7 +28,7 @@
28 28  
29 29  (((
30 30  (((
31 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
32 32  )))
33 33  )))
34 34  
... ... @@ -52,7 +52,6 @@
52 52  
53 53  == 1.2  Features ==
54 54  
55 -
56 56  * Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -64,9 +64,9 @@
64 64  * Ultra-long RF range
65 65  
66 66  
66 +
67 67  == 1.3  Specification ==
68 68  
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -86,6 +86,7 @@
86 86  * I/O Voltage: 3.3v
87 87  
88 88  
88 +
89 89  == 1.4  AT Command ==
90 90  
91 91  
... ... @@ -107,7 +107,6 @@
107 107  
108 108  == 1.7  Land Pattern ==
109 109  
110 -
111 111  [[image:image-20220517072821-2.png]]
112 112  
113 113  
... ... @@ -132,7 +132,7 @@
132 132  
133 133  (((
134 134  (((
135 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
134 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
136 136  )))
137 137  )))
138 138  
... ... @@ -158,7 +158,6 @@
158 158  
159 159  == 2.2  Features ==
160 160  
161 -
162 162  * Arduino Shield base on LA66 LoRaWAN module
163 163  * Support LoRaWAN v1.0.4 protocol
164 164  * Support peer-to-peer protocol
... ... @@ -171,9 +171,9 @@
171 171  * Ultra-long RF range
172 172  
173 173  
172 +
174 174  == 2.3  Specification ==
175 175  
176 -
177 177  * CPU: 32-bit 48 MHz
178 178  * Flash: 256KB
179 179  * RAM: 64KB
... ... @@ -193,106 +193,28 @@
193 193  * I/O Voltage: 3.3v
194 194  
195 195  
196 -== 2.4  LED ==
197 197  
195 +== 2.4  Pin Mapping & LED ==
198 198  
199 -~1. The LED lights up red when there is an upstream data packet
200 -2. When the network is successfully connected, the green light will be on for 5 seconds
201 -3. Purple light on when receiving downlink data packets
202 202  
203 203  
204 -
205 205  == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
206 206  
207 207  
208 -**Show connection diagram：**
209 209  
210 -
211 -[[image:image-20220723170210-2.png||height="908" width="681"]]
212 -
213 -
214 -
215 -(% style="color:blue" %)**1.  open Arduino IDE**
216 -
217 -
218 -[[image:image-20220723170545-4.png]]
219 -
220 -
221 -
222 -(% style="color:blue" %)**2.  Open project**
223 -
224 -
225 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
226 -
227 -[[image:image-20220726135239-1.png]]
228 -
229 -
230 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
231 -
232 -[[image:image-20220726135356-2.png]]
233 -
234 -
235 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
236 -
237 -
238 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
239 -
240 -
241 -
242 242  == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
243 243  
244 244  
245 -(% style="color:blue" %)**1.  Open project**
246 246  
207 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
247 247  
248 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
249 249  
250 250  
251 -[[image:image-20220723172502-8.png]]
252 -
253 -
254 -
255 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
256 -
257 -
258 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
259 -
260 -
261 -
262 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
263 -
264 -
265 -(% style="color:blue" %)**1.  Open project**
266 -
267 -
268 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
269 -
270 -
271 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
272 -
273 -
274 -
275 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
276 -
277 -
278 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
279 -
280 -
281 -
282 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
283 -
284 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
285 -
286 -[[image:image-20220723175700-12.png||height="602" width="995"]]
287 -
288 -
289 -
290 290  == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
291 291  
292 292  
293 293  === 2.8.1  Items needed for update ===
294 294  
295 -
296 296  1. LA66 LoRaWAN Shield
297 297  1. Arduino
298 298  1. USB TO TTL Adapter
... ... @@ -300,7 +300,6 @@
300 300  [[image:image-20220602100052-2.png||height="385" width="600"]]
301 301  
302 302  
303 -
304 304  === 2.8.2  Connection ===
305 305  
306 306  
... ... @@ -326,11 +326,10 @@
326 326  [[image:image-20220602102240-4.png||height="304" width="600"]]
327 327  
328 328  
329 -
330 330  === 2.8.3  Upgrade steps ===
331 331  
332 332  
333 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
251 +==== 1.  Switch SW1 to put in ISP position ====
334 334  
335 335  
336 336  [[image:image-20220602102824-5.png||height="306" width="600"]]
... ... @@ -337,7 +337,7 @@
337 337  
338 338  
339 339  
340 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
258 +==== 2.  Press the RST switch once ====
341 341  
342 342  
343 343  [[image:image-20220602104701-12.png||height="285" width="600"]]
... ... @@ -344,7 +344,7 @@
344 344  
345 345  
346 346  
347 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
265 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
348 348  
349 349  
350 350  (((
... ... @@ -417,7 +417,7 @@
417 417  )))
418 418  
419 419  (((
420 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
338 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
421 421  )))
422 422  
423 423  (((
... ... @@ -436,7 +436,6 @@
436 436  
437 437  == 3.2  Features ==
438 438  
439 -
440 440  * LoRaWAN USB adapter base on LA66 LoRaWAN module
441 441  * Ultra-long RF range
442 442  * Support LoRaWAN v1.0.4 protocol
... ... @@ -450,9 +450,9 @@
450 450  * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
451 451  
452 452  
370 +
453 453  == 3.3  Specification ==
454 454  
455 -
456 456  * CPU: 32-bit 48 MHz
457 457  * Flash: 256KB
458 458  * RAM: 64KB
... ... @@ -470,9 +470,9 @@
470 470  * LoRa Rx current: <9 mA
471 471  
472 472  
390 +
473 473  == 3.4  Pin Mapping & LED ==
474 474  
475 -[[image:image-20220813183239-3.png||height="526" width="662"]]
476 476  
477 477  
478 478  == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
... ... @@ -486,7 +486,7 @@
486 486  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
487 487  
488 488  
489 -[[image:image-20220723100027-1.png]]
406 +[[image:image-20220602171217-1.png||height="538" width="800"]]
490 490  
491 491  
492 492  Open the serial port tool
... ... @@ -527,7 +527,6 @@
527 527  
528 528  **Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
529 529  
530 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
531 531  
532 532  (% style="color:red" %)**Preconditions:**
533 533  
... ... @@ -555,7 +555,7 @@
555 555  
556 556  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
557 557  
558 -[[image:image-20220723100439-2.png]]
474 +[[image:image-20220602171233-2.png||height="538" width="800"]]
559 559  
560 560  
561 561  
... ... @@ -600,136 +600,18 @@
600 600  
601 601  
602 602  
603 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
519 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
604 604  
605 605  
606 -=== 3.8.1  Hardware and Software Connection ===
607 607  
608 -
609 -==== (% style="color:blue" %)**Overview：**(%%) ====
610 -
611 -
612 -(((
613 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
614 -
615 -* Send real-time location information of mobile phone to LoRaWAN network.
616 -* Check LoRaWAN network signal strengh.
617 -* Manually send messages to LoRaWAN network.
618 -)))
619 -
620 -
621 -
622 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
623 -
624 -A USB to Type-C adapter is needed to connect to a Mobile phone.
625 -
626 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
627 -
628 -[[image:image-20220813174353-2.png||height="360" width="313"]]
629 -
630 -
631 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
632 -
633 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
634 -
635 -[[image:image-20220813173738-1.png]]
636 -
637 -
638 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
639 -
640 -Function and page introduction
641 -
642 -[[image:image-20220723113448-7.png||height="995" width="450"]]
643 -
644 -**Block Explain:**
645 -
646 -1.  Display LA66 USB LoRaWAN Module connection status
647 -
648 -2.  Check and reconnect
649 -
650 -3.  Turn send timestamps on or off
651 -
652 -4.  Display LoRaWan connection status
653 -
654 -5.  Check LoRaWan connection status
655 -
656 -6.  The RSSI value of the node when the ACK is received
657 -
658 -7.  Node's Signal Strength Icon
659 -
660 -8.  Configure Location Uplink Interval
661 -
662 -9.  AT command input box
663 -
664 -10.  Send Button:  Send input box info to LA66 USB Adapter
665 -
666 -11.  Output Log from LA66 USB adapter
667 -
668 -12.  clear log button
669 -
670 -13.  exit button
671 -
672 -
673 -LA66 USB LoRaWAN Module not connected
674 -
675 -[[image:image-20220723110520-5.png||height="677" width="508"]]
676 -
677 -
678 -
679 -Connect LA66 USB LoRaWAN Module
680 -
681 -[[image:image-20220723110626-6.png||height="681" width="511"]]
682 -
683 -
684 -
685 -=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
686 -
687 -
688 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
689 -
690 -[[image:image-20220723134549-8.png]]
691 -
692 -
693 -
694 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
695 -
696 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
697 -
698 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
699 -
700 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
701 -
702 -
703 -Example output in NodeRed is as below:
704 -
705 -[[image:image-20220723144339-1.png]]
706 -
707 -
708 -
709 709  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
710 710  
711 711  
712 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
713 713  
714 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
715 715  
716 -[[image:image-20220723150132-2.png]]
528 += 4.  Order Info =
717 717  
718 718  
719 -
720 -= 4.  FAQ =
721 -
722 -
723 -== 4.1  How to Compile Source Code for LA66? ==
724 -
725 -
726 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
727 -
728 -
729 -
730 -= 5.  Order Info =
731 -
732 -
733 733  **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
734 734  
735 735  
... ... @@ -745,8 +745,6 @@
745 745  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
746 746  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
747 747  
546 += 5.  Reference =
748 748  
749 -= 6.  Reference =
750 -
751 -
752 752  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
image-20220723100027-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -1.1 MB
Content
image-20220723100439-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -749.8 KB
Content
image-20220723102027-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -28.7 KB
Content
image-20220723104754-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -231.5 KB
Content
image-20220723110520-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -3.2 MB
Content
image-20220723110626-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -3.6 MB
Content
image-20220723113448-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -298.5 KB
Content
image-20220723134549-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -392.3 KB
Content
image-20220723144339-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -324.7 KB
Content
image-20220723150132-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -698.8 KB
Content
image-20220723165950-1.jpeg
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -278.4 KB
Content
image-20220723170210-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -883.0 KB
Content
image-20220723170545-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -31.1 KB
Content
image-20220723170750-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -119.0 KB
Content
image-20220723171228-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -34.2 KB
Content
image-20220723172235-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -262.3 KB
Content
image-20220723172502-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -112.0 KB
Content
image-20220723172938-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -104.8 KB
Content
image-20220723173341-10.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -117.9 KB
Content
image-20220723173950-11.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -121.9 KB
Content
image-20220723175700-12.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -96.4 KB
Content
image-20220726135239-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -91.4 KB
Content
image-20220726135356-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Lu
Size
... ... @@ -1,1 +1,0 @@
1 -45.6 KB
Content
image-20220813173738-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -13.2 KB
Content
image-20220813174353-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -189.1 KB
Content
image-20220813183239-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -642.4 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0