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Last modified by Xiaoling on 2025/02/07 16:37
From version 150.1
edited by Edwin Chen
on 2022/08/30 19:09
Change comment: There is no comment for this version
To version 71.1
edited by Edwin Chen
on 2022/07/03 00:00
Change comment: There is no comment for this version

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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
9 9  
11 +(% 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.
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 -
13 -
14 -== 1.1  Overview ==
15 -
16 -
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
18 -
19 -
20 -(((
21 -(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
22 -)))
23 -
24 -(((
25 -(% 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.
26 -)))
27 -
28 -(((
29 29  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 -)))
31 31  
32 -(((
33 33  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
34 -)))
35 35  
36 -(((
37 37  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 -)))
39 39  
40 40  
20 +== Features ==
41 41  
42 -== 1.2  Features ==
43 -
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
25 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
30 +* Ultra-long RF range
56 56  
57 57  
58 -== 1.3  Specification ==
33 +== Specification ==
59 59  
60 -
61 61  * CPU: 32-bit 48 MHz
62 62  * Flash: 256KB
63 63  * RAM: 64KB
64 -* Input Power Range: 5v
38 +* Input Power Range: 1.8v ~~ 3.7v
39 +* Power Consumption: < 4uA.
65 65  * Frequency Range: 150 MHz ~~ 960 MHz
66 66  * Maximum Power +22 dBm constant RF output
67 67  * High sensitivity: -148 dBm
... ... @@ -73,313 +73,263 @@
73 73  ** Operating: 10 ~~ 95% (Non-Condensing)
74 74  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
75 75  * LoRa Rx current: <9 mA
51 +* I/O Voltage: 3.3v
76 76  
53 +== AT Command ==
77 77  
78 -== 1.4  Pin Mapping & LED ==
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
79 79  
80 80  
81 -[[image:image-20220813183239-3.png||height="526" width="662"]]
58 +== Dimension ==
82 82  
60 +[[image:image-20220517072526-1.png]]
83 83  
84 84  
85 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
63 +== Pin Mapping ==
86 86  
65 +[[image:image-20220523101537-1.png]]
87 87  
88 -(((
89 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
90 -)))
67 +== Land Pattern ==
91 91  
69 +[[image:image-20220517072821-2.png]]
92 92  
93 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
94 94  
72 +== Part Number ==
95 95  
96 -[[image:image-20220723100027-1.png]]
74 +Part Number: **LA66-XXX**
97 97  
76 +**XX**: The default frequency band
98 98  
99 -Open the serial port tool
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
100 100  
101 -[[image:image-20220602161617-8.png]]
102 102  
103 -[[image:image-20220602161718-9.png||height="457" width="800"]]
104 104  
90 += LA66 LoRaWAN Shield =
105 105  
92 +== Overview ==
106 106  
107 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
94 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
108 108  
109 109  
110 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
97 +== Features ==
111 111  
99 +* Arduino Shield base on LA66 LoRaWAN module
100 +* Support LoRaWAN v1.0.4 protocol
101 +* Support peer-to-peer protocol
102 +* TCXO crystal to ensure RF performance on low temperature
103 +* SMA connector
104 +* Available in different frequency LoRaWAN frequency bands.
105 +* World-wide unique OTAA keys.
106 +* AT Command via UART-TTL interface
107 +* Firmware upgradable via UART interface
108 +* Ultra-long RF range
112 112  
113 -[[image:image-20220602161935-10.png||height="498" width="800"]]
114 114  
111 +== Specification ==
115 115  
113 +* CPU: 32-bit 48 MHz
114 +* Flash: 256KB
115 +* RAM: 64KB
116 +* Input Power Range: 1.8v ~~ 3.7v
117 +* Power Consumption: < 4uA.
118 +* Frequency Range: 150 MHz ~~ 960 MHz
119 +* Maximum Power +22 dBm constant RF output
120 +* High sensitivity: -148 dBm
121 +* Temperature:
122 +** Storage: -55 ~~ +125℃
123 +** Operating: -40 ~~ +85℃
124 +* Humidity:
125 +** Storage: 5 ~~ 95% (Non-Condensing)
126 +** Operating: 10 ~~ 95% (Non-Condensing)
127 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128 +* LoRa Rx current: <9 mA
129 +* I/O Voltage: 3.3v
116 116  
117 -(% style="color:blue" %)**3. See Uplink Command**
118 118  
132 +== Pin Mapping & LED ==
119 119  
120 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
121 121  
122 -example: AT+SENDB=01,02,8,05820802581ea0a5
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
123 123  
124 -[[image:image-20220602162157-11.png||height="497" width="800"]]
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
125 125  
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
126 126  
142 +=== what needs to be used ===
127 127  
128 -(% style="color:blue" %)**4. Check to see if TTN received the message**
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
129 129  
146 +2.Arduino
130 130  
131 -[[image:image-20220817093644-1.png]]
148 +3.USB TO TTL
132 132  
150 +[[image:image-20220602100052-2.png]]
133 133  
152 +=== Wiring Schematic ===
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
154 +[[image:image-20220602101311-3.png]]
136 136  
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 137  
138 -**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]]
158 +GND  >>>>>>>>>>>>GND
139 139  
140 -(**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]])
160 +TXD  >>>>>>>>>>>>TXD
141 141  
162 +RXD  >>>>>>>>>>>>RXD
142 142  
143 -(% style="color:red" %)**Preconditions:**
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
145 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
166 +Connect to the PC after connecting the wires
146 146  
147 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
168 +[[image:image-20220602102240-4.png]]
148 148  
170 +=== Upgrade steps ===
149 149  
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
150 150  
151 -(% style="color:blue" %)**Steps for usage:**
174 +[[image:image-20220602102824-5.png]]
152 152  
153 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 154  
155 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
178 +[[image:image-20220602104701-12.png]]
156 156  
180 +==== Open the upgrade application software ====
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
182 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
159 159  
184 +[[image:image-20220602103227-6.png]]
160 160  
186 +[[image:image-20220602103357-7.png]]
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
188 +===== Select the COM port corresponding to USB TTL =====
163 163  
190 +[[image:image-20220602103844-8.png]]
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
192 +===== Select the bin file to burn =====
166 166  
194 +[[image:image-20220602104144-9.png]]
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
196 +[[image:image-20220602104251-10.png]]
169 169  
198 +[[image:image-20220602104402-11.png]]
170 170  
171 -[[image:image-20220723100439-2.png]]
200 +===== Click to start the download =====
172 172  
202 +[[image:image-20220602104923-13.png]]
173 173  
204 +===== The following figure appears to prove that the burning is in progress =====
174 174  
175 -(% style="color:blue" %)**2. Install Minicom in RPi.**
206 +[[image:image-20220602104948-14.png]]
176 176  
208 +===== The following picture appears to prove that the burning is successful =====
177 177  
178 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
210 +[[image:image-20220602105251-15.png]]
179 179  
180 - (% style="background-color:yellow" %)**apt update**
212 += LA66 USB LoRaWAN Adapter =
181 181  
182 - (% style="background-color:yellow" %)**apt install minicom**
214 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
183 183  
216 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
185 -Use minicom to connect to the RPI's terminal
218 +== Pin Mapping & LED ==
186 186  
187 -[[image:image-20220602153146-3.png||height="439" width="500"]]
220 +== Example Send & Get Messages via LoRaWAN in PC ==
188 188  
222 +Connect the LA66 LoRa Shield to the PC
189 189  
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
190 190  
191 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
226 +Open the serial port tool
192 192  
228 +[[image:image-20220602161617-8.png]]
193 193  
194 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
195 195  
232 +Press the reset switch RST on the LA66 LoRa Shield.
196 196  
197 -[[image:image-20220602154928-5.png||height="436" width="500"]]
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
198 198  
236 +[[image:image-20220602161935-10.png]]
199 199  
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
201 -(% style="color:blue" %)**4. Send Uplink message**
202 -
203 -
204 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
205 -
206 206  example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
242 +[[image:image-20220602162157-11.png]]
208 208  
209 -[[image:image-20220602160339-6.png||height="517" width="600"]]
210 -
211 -
212 -
213 213  Check to see if TTN received the message
214 214  
215 -[[image:image-20220602160627-7.png||height="369" width="800"]]
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
216 216  
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
217 217  
250 +Connect the LA66 LoRa Shield to the RPI
218 218  
219 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
220 220  
254 +Log in to the RPI's terminal and connect to the serial port
221 221  
222 -=== 1.8.1  Hardware and Software Connection ===
256 +[[image:image-20220602153146-3.png]]
223 223  
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
224 224  
261 +[[image:image-20220602154928-5.png]]
225 225  
226 -==== (% style="color:blue" %)**Overview：**(%%) ====
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
227 227  
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
228 228  
229 -(((
230 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
267 +[[image:image-20220602160339-6.png]]
231 231  
232 -* Send real-time location information of mobile phone to LoRaWAN network.
233 -* Check LoRaWAN network signal strengh.
234 -* Manually send messages to LoRaWAN network.
235 -)))
269 +Check to see if TTN received the message
236 236  
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
237 237  
273 +=== Install Minicom ===
238 238  
275 +Enter the following command in the RPI terminal
239 239  
240 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
277 +apt update
241 241  
279 +[[image:image-20220602143155-1.png]]
242 242  
243 -A USB to Type-C adapter is needed to connect to a Mobile phone.
281 +apt install minicom
244 244  
245 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
283 +[[image:image-20220602143744-2.png]]
246 246  
247 -[[image:image-20220813174353-2.png||height="360" width="313"]]
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
248 248  
287 +==== Take python as an example： ====
249 249  
289 +===== Preconditions: =====
250 250  
251 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
291 +1.LA66 USB LoRaWAN Adapter works fine
252 252  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
253 253  
254 -[[(% 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)
295 +===== Steps for usage =====
255 255  
256 -[[image:image-20220813173738-1.png]]
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
257 257  
299 +2.Run the script and see the TTN
258 258  
301 +[[image:image-20220602115852-3.png]]
259 259  
260 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
261 261  
262 262  
263 -Function and page introduction
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
264 264  
265 265  
266 -[[image:image-20220723113448-7.png||height="995" width="450"]]
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
267 267  
268 -**Block Explain:**
269 -
270 -1.  Display LA66 USB LoRaWAN Module connection status
271 -
272 -2.  Check and reconnect
273 -
274 -3.  Turn send timestamps on or off
275 -
276 -4.  Display LoRaWan connection status
277 -
278 -5.  Check LoRaWan connection status
279 -
280 -6.  The RSSI value of the node when the ACK is received
281 -
282 -7.  Node's Signal Strength Icon
283 -
284 -8.  Configure Location Uplink Interval
285 -
286 -9.  AT command input box
287 -
288 -10.  Send Button:  Send input box info to LA66 USB Adapter
289 -
290 -11.  Output Log from LA66 USB adapter
291 -
292 -12.  clear log button
293 -
294 -13.  exit button
295 -
296 -
297 -
298 -LA66 USB LoRaWAN Module not connected
299 -
300 -
301 -[[image:image-20220723110520-5.png||height="677" width="508"]]
302 -
303 -
304 -
305 -Connect LA66 USB LoRaWAN Module
306 -
307 -[[image:image-20220723110626-6.png||height="681" width="511"]]
308 -
309 -
310 -
311 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
312 -
313 -
314 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
315 -
316 -
317 -[[image:image-20220723134549-8.png]]
318 -
319 -
320 -
321 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
322 -
323 -
324 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
325 -
326 -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/]]
327 -
328 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
329 -
330 -
331 -Example output in NodeRed is as below:
332 -
333 -[[image:image-20220723144339-1.png]]
334 -
335 -
336 -
337 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
338 -
339 -
340 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
341 -
342 -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)
343 -
344 -
345 -[[image:image-20220723150132-2.png]]
346 -
347 -
348 -
349 -= 2.  FAQ =
350 -
351 -
352 -== 2.1  How to Compile Source Code for LA66? ==
353 -
354 -
355 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
356 -
357 -
358 -
359 -= 3.  Order Info =
360 -
361 -
362 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
363 -
364 -
365 -(% style="color:blue" %)**XXX**(%%): The default frequency band
366 -
367 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
368 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
369 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
370 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
371 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
372 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
373 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
374 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
375 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
376 -
377 -
378 -
379 -= 4.  Reference =
380 -
381 -
382 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
383 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
384 -
385 385  
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