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Last modified by Xiaoling on 2025/02/07 16:37
From version 152.1
edited by Bei Jinggeng
on 2022/09/09 15:14
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To version 71.1
edited by Edwin Chen
on 2022/07/03 00:00
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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Bei
1 +XWiki.Edwin
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 -== 1.3  Specification ==
58 58  
33 +== Specification ==
59 59  
60 60  * CPU: 32-bit 48 MHz
61 61  * Flash: 256KB
62 62  * RAM: 64KB
63 -* Input Power Range: 5v
38 +* Input Power Range: 1.8v ~~ 3.7v
39 +* Power Consumption: < 4uA.
64 64  * Frequency Range: 150 MHz ~~ 960 MHz
65 65  * Maximum Power +22 dBm constant RF output
66 66  * High sensitivity: -148 dBm
... ... @@ -72,313 +72,263 @@
72 72  ** Operating: 10 ~~ 95% (Non-Condensing)
73 73  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74 74  * LoRa Rx current: <9 mA
51 +* I/O Voltage: 3.3v
75 75  
76 -== 1.4  Pin Mapping & LED ==
53 +== AT Command ==
77 77  
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.
78 78  
79 -[[image:image-20220813183239-3.png||height="526" width="662"]]
80 80  
58 +== Dimension ==
81 81  
60 +[[image:image-20220517072526-1.png]]
82 82  
83 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
84 84  
63 +== Pin Mapping ==
85 85  
86 -(((
87 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
88 -)))
65 +[[image:image-20220523101537-1.png]]
89 89  
67 +== Land Pattern ==
90 90  
91 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
69 +[[image:image-20220517072821-2.png]]
92 92  
93 93  
94 -[[image:image-20220723100027-1.png]]
72 +== Part Number ==
95 95  
74 +Part Number: **LA66-XXX**
96 96  
97 -Open the serial port tool
76 +**XX**: The default frequency band
98 98  
99 -[[image:image-20220602161617-8.png]]
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-20220602161718-9.png||height="457" width="800"]]
102 102  
103 103  
90 += LA66 LoRaWAN Shield =
104 104  
105 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
92 +== Overview ==
106 106  
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.
107 107  
108 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
109 109  
97 +== Features ==
110 110  
111 -[[image:image-20220602161935-10.png||height="498" width="800"]]
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  
113 113  
111 +== Specification ==
114 114  
115 -(% style="color:blue" %)**3. See Uplink Command**
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  
117 117  
118 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
132 +== Pin Mapping & LED ==
119 119  
120 -example: AT+SENDB=01,02,8,05820802581ea0a5
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
121 121  
122 -[[image:image-20220602162157-11.png||height="497" width="800"]]
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
123 123  
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124 124  
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
126 -(% style="color:blue" %)**4. Check to see if TTN received the message**
142 +=== what needs to be used ===
127 127  
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
128 128  
129 -[[image:image-20220817093644-1.png]]
146 +2.Arduino
130 130  
148 +3.USB TO TTL
131 131  
150 +[[image:image-20220602100052-2.png]]
132 132  
133 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
152 +=== Wiring Schematic ===
134 134  
154 +[[image:image-20220602101311-3.png]]
135 135  
136 -**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]]
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 137  
138 -(**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]])
158 +GND  >>>>>>>>>>>>GND
139 139  
160 +TXD  >>>>>>>>>>>>TXD
140 140  
141 -(% style="color:red" %)**Preconditions:**
162 +RXD  >>>>>>>>>>>>RXD
142 142  
143 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
145 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
166 +Connect to the PC after connecting the wires
146 146  
168 +[[image:image-20220602102240-4.png]]
147 147  
170 +=== Upgrade steps ===
148 148  
149 -(% style="color:blue" %)**Steps for usage:**
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" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
174 +[[image:image-20220602102824-5.png]]
152 152  
153 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 154  
178 +[[image:image-20220602104701-12.png]]
155 155  
156 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
180 +==== Open the upgrade application software ====
157 157  
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/]]
158 158  
184 +[[image:image-20220602103227-6.png]]
159 159  
160 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
186 +[[image:image-20220602103357-7.png]]
161 161  
188 +===== Select the COM port corresponding to USB TTL =====
162 162  
163 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
190 +[[image:image-20220602103844-8.png]]
164 164  
192 +===== Select the bin file to burn =====
165 165  
166 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
194 +[[image:image-20220602104144-9.png]]
167 167  
196 +[[image:image-20220602104251-10.png]]
168 168  
169 -[[image:image-20220723100439-2.png]]
198 +[[image:image-20220602104402-11.png]]
170 170  
200 +===== Click to start the download =====
171 171  
202 +[[image:image-20220602104923-13.png]]
172 172  
173 -(% style="color:blue" %)**2. Install Minicom in RPi.**
204 +===== The following figure appears to prove that the burning is in progress =====
174 174  
206 +[[image:image-20220602104948-14.png]]
175 175  
176 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
208 +===== The following picture appears to prove that the burning is successful =====
177 177  
178 - (% style="background-color:yellow" %)**apt update**
210 +[[image:image-20220602105251-15.png]]
179 179  
180 - (% style="background-color:yellow" %)**apt install minicom**
212 += LA66 USB LoRaWAN Adapter =
181 181  
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.
182 182  
183 -Use minicom to connect to the RPI's terminal
216 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
185 -[[image:image-20220602153146-3.png||height="439" width="500"]]
218 +== Pin Mapping & LED ==
186 186  
220 +== Example Send & Get Messages via LoRaWAN in PC ==
187 187  
222 +Connect the LA66 LoRa Shield to the PC
188 188  
189 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
190 190  
226 +Open the serial port tool
191 191  
192 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
228 +[[image:image-20220602161617-8.png]]
193 193  
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
194 194  
195 -[[image:image-20220602154928-5.png||height="436" width="500"]]
232 +Press the reset switch RST on the LA66 LoRa Shield.
196 196  
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
197 197  
236 +[[image:image-20220602161935-10.png]]
198 198  
199 -(% style="color:blue" %)**4. Send Uplink message**
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
201 -
202 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
203 -
204 204  example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
242 +[[image:image-20220602162157-11.png]]
206 206  
207 -[[image:image-20220602160339-6.png||height="517" width="600"]]
208 -
209 -
210 -
211 211  Check to see if TTN received the message
212 212  
213 -[[image:image-20220602160627-7.png||height="369" width="800"]]
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
214 214  
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
215 215  
250 +Connect the LA66 LoRa Shield to the RPI
216 216  
217 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
218 218  
254 +Log in to the RPI's terminal and connect to the serial port
219 219  
220 -=== 1.8.1  Hardware and Software Connection ===
256 +[[image:image-20220602153146-3.png]]
221 221  
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
222 222  
261 +[[image:image-20220602154928-5.png]]
223 223  
224 -==== (% style="color:blue" %)**Overview：**(%%) ====
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 225  
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -(((
228 -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]]
229 229  
230 -* Send real-time location information of mobile phone to LoRaWAN network.
231 -* Check LoRaWAN network signal strengh.
232 -* Manually send messages to LoRaWAN network.
233 -)))
269 +Check to see if TTN received the message
234 234  
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
235 235  
273 +=== Install Minicom ===
236 236  
275 +Enter the following command in the RPI terminal
237 237  
238 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
277 +apt update
239 239  
279 +[[image:image-20220602143155-1.png]]
240 240  
241 -A USB to Type-C adapter is needed to connect to a Mobile phone.
281 +apt install minicom
242 242  
243 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
283 +[[image:image-20220602143744-2.png]]
244 244  
245 -[[image:image-20220813174353-2.png||height="360" width="313"]]
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
246 246  
287 +==== Take python as an example： ====
247 247  
289 +===== Preconditions: =====
248 248  
249 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
291 +1.LA66 USB LoRaWAN Adapter works fine
250 250  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
251 251  
252 -[[(% 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 =====
253 253  
254 -[[image:image-20220813173738-1.png]]
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
255 255  
299 +2.Run the script and see the TTN
256 256  
301 +[[image:image-20220602115852-3.png]]
257 257  
258 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
259 259  
260 260  
261 -Function and page introduction
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
262 262  
263 263  
264 -[[image:image-20220723113448-7.png||height="995" width="450"]]
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
265 265  
266 -**Block Explain:**
267 -
268 -1.  Display LA66 USB LoRaWAN Module connection status
269 -
270 -2.  Check and reconnect
271 -
272 -3.  Turn send timestamps on or off
273 -
274 -4.  Display LoRaWan connection status
275 -
276 -5.  Check LoRaWan connection status
277 -
278 -6.  The RSSI value of the node when the ACK is received
279 -
280 -7.  Node's Signal Strength Icon
281 -
282 -8.  Configure Location Uplink Interval
283 -
284 -9.  AT command input box
285 -
286 -10.  Send Button:  Send input box info to LA66 USB Adapter
287 -
288 -11.  Output Log from LA66 USB adapter
289 -
290 -12.  clear log button
291 -
292 -13.  exit button
293 -
294 -
295 -
296 -LA66 USB LoRaWAN Module not connected
297 -
298 -
299 -[[image:image-20220723110520-5.png||height="677" width="508"]]
300 -
301 -
302 -
303 -Connect LA66 USB LoRaWAN Module
304 -
305 -[[image:image-20220723110626-6.png||height="681" width="511"]]
306 -
307 -
308 -
309 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
310 -
311 -
312 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
313 -
314 -
315 -[[image:image-20220723134549-8.png]]
316 -
317 -
318 -
319 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
320 -
321 -
322 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
323 -
324 -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/]]
325 -
326 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
327 -
328 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/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 -= 4.  Reference =
379 -
380 -
381 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
382 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
383 -
384 384  
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