Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 134.1 >
edited by Herong Lu
on 2022/07/26 09:19
To version < 146.6 >
edited by Xiaoling
on 2022/08/16 14:18
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Lu
1 +XWiki.Xiaoling
Content
... ... @@ -1,4 +1,4 @@
1 -0
1 +
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -6,15 +6,15 @@
6 6  
7 7  
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 10  
10 += 1.  LA66 LoRaWAN Shield =
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
13 +== 1.1  Overview ==
14 14  
15 +
15 15  (((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 18  )))
19 19  
20 20  (((
... ... @@ -22,13 +22,12 @@
22 22  )))
23 23  
24 24  (((
25 -(% 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.
25 +(% style="color:blue" %)**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.
26 26  )))
27 -)))
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.
30 +(% 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.
32 32  )))
33 33  )))
34 34  
... ... @@ -36,8 +36,10 @@
36 36  (((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 38  )))
38 +)))
39 39  
40 40  (((
41 +(((
41 41  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.
42 42  )))
43 43  )))
... ... @@ -52,10 +52,12 @@
52 52  
53 53  == 1.2  Features ==
54 54  
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
55 55  * Support LoRaWAN v1.0.4 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
58 -* SMD Antenna pad and i-pex antenna connector
61 +* SMA connector
59 59  * Available in different frequency LoRaWAN frequency bands.
60 60  * World-wide unique OTAA keys.
61 61  * AT Command via UART-TTL interface
... ... @@ -62,8 +62,12 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
68 +
69 +
70 +
65 65  == 1.3  Specification ==
66 66  
73 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,169 +82,111 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
85 -== 1.4  AT Command ==
86 86  
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89 89  
95 +== 1.4  Pin Mapping & LED ==
90 90  
91 91  
92 -== 1.5  Dimension ==
98 +[[image:image-20220814101457-1.png||height="553" width="761"]]
93 93  
94 -[[image:image-20220718094750-3.png]]
100 +~1. The LED lights up red when there is an upstream data packet
101 +2. When the network is successfully connected, the green light will be on for 5 seconds
102 +3. Purple light on when receiving downlink data packets
95 95  
96 96  
97 97  
98 -== 1.6  Pin Mapping ==
106 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
99 99  
100 -[[image:image-20220720111850-1.png]]
101 101  
109 +**Show connection diagram：**
102 102  
103 103  
104 -== 1.7  Land Pattern ==
112 +[[image:image-20220723170210-2.png||height="908" width="681"]]
105 105  
106 -[[image:image-20220517072821-2.png]]
107 107  
108 108  
116 +(% style="color:blue" %)**1.  open Arduino IDE**
109 109  
110 -= 2.  LA66 LoRaWAN Shield =
111 111  
119 +[[image:image-20220723170545-4.png]]
112 112  
113 -== 2.1  Overview ==
114 114  
115 115  
116 -(((
117 -[[image:image-20220715000826-2.png||height="145" width="220"]]
118 -)))
123 +(% style="color:blue" %)**2.  Open project**
119 119  
120 -(((
121 -
122 -)))
123 123  
124 -(((
125 -(% style="color:blue" %)**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.
126 -)))
126 +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]]
127 127  
128 -(((
129 -(((
130 -(% 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.
131 -)))
132 -)))
128 +[[image:image-20220726135239-1.png]]
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
139 139  
140 -(((
141 -(((
142 -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.
143 -)))
144 -)))
131 +(% 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**
145 145  
146 -(((
147 -(((
148 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 -)))
150 -)))
133 +[[image:image-20220726135356-2.png]]
151 151  
152 152  
136 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
153 153  
154 -== 2.2  Features ==
155 155  
156 -* Arduino Shield base on LA66 LoRaWAN module
157 -* Support LoRaWAN v1.0.4 protocol
158 -* Support peer-to-peer protocol
159 -* TCXO crystal to ensure RF performance on low temperature
160 -* SMA connector
161 -* Available in different frequency LoRaWAN frequency bands.
162 -* World-wide unique OTAA keys.
163 -* AT Command via UART-TTL interface
164 -* Firmware upgradable via UART interface
165 -* Ultra-long RF range
139 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
166 166  
167 -== 2.3  Specification ==
168 168  
169 -* CPU: 32-bit 48 MHz
170 -* Flash: 256KB
171 -* RAM: 64KB
172 -* Input Power Range: 1.8v ~~ 3.7v
173 -* Power Consumption: < 4uA.
174 -* Frequency Range: 150 MHz ~~ 960 MHz
175 -* Maximum Power +22 dBm constant RF output
176 -* High sensitivity: -148 dBm
177 -* Temperature:
178 -** Storage: -55 ~~ +125℃
179 -** Operating: -40 ~~ +85℃
180 -* Humidity:
181 -** Storage: 5 ~~ 95% (Non-Condensing)
182 -** Operating: 10 ~~ 95% (Non-Condensing)
183 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 -* LoRa Rx current: <9 mA
185 -* I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
143 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
188 188  
189 -~1. The LED lights up red when there is an upstream data packet
190 -2. When the network is successfully connected, the green light will be on for 5 seconds
191 -3. Purple light on when receiving downlink data packets
192 192  
146 +(% style="color:blue" %)**1.  Open project**
193 193  
194 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195 195  
196 -Show connection diagram：
149 +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]]
197 197  
198 -[[image:image-20220723170210-2.png||height="908" width="681"]]
199 199  
200 -1.open Arduino IDE
152 +[[image:image-20220723172502-8.png]]
201 201  
202 -[[image:image-20220723170545-4.png]]
203 203  
204 -2.Open project
205 205  
206 -[[image:image-20220723170750-5.png||height="533" width="930"]]
156 +(% 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**
207 207  
208 -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
209 209  
210 -[[image:image-20220723171228-6.png]]
159 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
211 211  
212 -4.After the upload is successful, open the serial port monitoring and send the AT command
213 213  
214 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
215 215  
216 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
163 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
217 217  
218 -1.Open project
219 219  
220 -[[image:image-20220723172502-8.png]]
166 +(% style="color:blue" %)**1.  Open project**
221 221  
222 -2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
223 223  
224 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
169 +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]]
225 225  
226 226  
227 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
172 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
228 228  
229 -1.Open project
230 230  
231 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
232 232  
233 -2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
176 +(% 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**
234 234  
178 +
235 235  [[image:image-20220723173950-11.png||height="665" width="1012"]]
236 236  
237 -3.Integration into Node-red via TTNV3
238 238  
182 +
183 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 +
239 239  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/]]
240 240  
241 241  [[image:image-20220723175700-12.png||height="602" width="995"]]
242 242  
243 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
244 244  
245 245  
246 -=== 2.8.1  Items needed for update ===
191 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
247 247  
193 +
194 +=== 1.8.1  Items needed for update ===
195 +
196 +
248 248  1. LA66 LoRaWAN Shield
249 249  1. Arduino
250 250  1. USB TO TTL Adapter
... ... @@ -252,9 +252,10 @@
252 252  [[image:image-20220602100052-2.png||height="385" width="600"]]
253 253  
254 254  
255 -=== 2.8.2  Connection ===
256 256  
205 +=== 1.8.2  Connection ===
257 257  
207 +
258 258  [[image:image-20220602101311-3.png||height="276" width="600"]]
259 259  
260 260  
... ... @@ -277,10 +277,11 @@
277 277  [[image:image-20220602102240-4.png||height="304" width="600"]]
278 278  
279 279  
230 +
280 280  === 2.8.3  Upgrade steps ===
281 281  
282 282  
283 -==== 1.  Switch SW1 to put in ISP position ====
234 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
284 284  
285 285  
286 286  [[image:image-20220602102824-5.png||height="306" width="600"]]
... ... @@ -287,7 +287,7 @@
287 287  
288 288  
289 289  
290 -==== 2.  Press the RST switch once ====
241 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
291 291  
292 292  
293 293  [[image:image-20220602104701-12.png||height="285" width="600"]]
... ... @@ -294,7 +294,7 @@
294 294  
295 295  
296 296  
297 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
248 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
298 298  
299 299  
300 300  (((
... ... @@ -386,6 +386,7 @@
386 386  
387 387  == 3.2  Features ==
388 388  
340 +
389 389  * LoRaWAN USB adapter base on LA66 LoRaWAN module
390 390  * Ultra-long RF range
391 391  * Support LoRaWAN v1.0.4 protocol
... ... @@ -400,6 +400,7 @@
400 400  
401 401  == 3.3  Specification ==
402 402  
355 +
403 403  * CPU: 32-bit 48 MHz
404 404  * Flash: 256KB
405 405  * RAM: 64KB
... ... @@ -418,6 +418,7 @@
418 418  
419 419  == 3.4  Pin Mapping & LED ==
420 420  
374 +[[image:image-20220813183239-3.png||height="526" width="662"]]
421 421  
422 422  
423 423  == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
... ... @@ -545,82 +545,115 @@
545 545  
546 546  
547 547  
548 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
502 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
549 549  
550 -=== 3.8.1 DRAGINO-LA66-APP ===
551 551  
552 -[[image:image-20220723102027-3.png]]
505 +=== 3.8.1  Hardware and Software Connection ===
553 553  
554 -==== Overview： ====
555 555  
556 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
508 +==== (% style="color:blue" %)**Overview：**(%%) ====
557 557  
558 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
559 559  
560 -==== Conditions of Use： ====
511 +(((
512 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
561 561  
562 -Requires a type-c to USB adapter
514 +* Send real-time location information of mobile phone to LoRaWAN network.
515 +* Check LoRaWAN network signal strengh.
516 +* Manually send messages to LoRaWAN network.
517 +)))
563 563  
564 -[[image:image-20220723104754-4.png]]
565 565  
566 -==== Use of APP: ====
567 567  
521 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
522 +
523 +A USB to Type-C adapter is needed to connect to a Mobile phone.
524 +
525 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
526 +
527 +[[image:image-20220813174353-2.png||height="360" width="313"]]
528 +
529 +
530 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
531 +
532 +[[(% 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)
533 +
534 +[[image:image-20220813173738-1.png]]
535 +
536 +
537 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
538 +
568 568  Function and page introduction
569 569  
570 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
541 +[[image:image-20220723113448-7.png||height="995" width="450"]]
571 571  
572 -1.Display LA66 USB LoRaWAN Module connection status
543 +**Block Explain:**
573 573  
574 -2.Check and reconnect
545 +1.  Display LA66 USB LoRaWAN Module connection status
575 575  
576 -3.Turn send timestamps on or off
547 +2.  Check and reconnect
577 577  
578 -4.Display LoRaWan connection status
549 +3.  Turn send timestamps on or off
579 579  
580 -5.Check LoRaWan connection status
551 +4.  Display LoRaWan connection status
581 581  
582 -6.The RSSI value of the node when the ACK is received
553 +5.  Check LoRaWan connection status
583 583  
584 -7.Node's Signal Strength Icon
555 +6.  The RSSI value of the node when the ACK is received
585 585  
586 -8.Set the packet sending interval of the node in seconds
557 +7.  Node's Signal Strength Icon
587 587  
588 -9.AT command input box
559 +8.  Configure Location Uplink Interval
589 589  
590 -10.Send AT command button
561 +9.  AT command input box
591 591  
592 -11.Node log box
563 +10.  Send Button:  Send input box info to LA66 USB Adapter
593 593  
594 -12.clear log button
565 +11.  Output Log from LA66 USB adapter
595 595  
596 -13.exit button
567 +12.  clear log button
597 597  
569 +13.  exit button
570 +
571 +
598 598  LA66 USB LoRaWAN Module not connected
599 599  
600 -[[image:image-20220723110520-5.png||height="903" width="677"]]
574 +[[image:image-20220723110520-5.png||height="677" width="508"]]
601 601  
576 +
577 +
602 602  Connect LA66 USB LoRaWAN Module
603 603  
604 -[[image:image-20220723110626-6.png||height="906" width="680"]]
580 +[[image:image-20220723110626-6.png||height="681" width="511"]]
605 605  
606 -=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
607 607  
608 -1.Register LA66 USB LoRaWAN Module to TTNV3
609 609  
584 +=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
585 +
586 +
587 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
588 +
610 610  [[image:image-20220723134549-8.png]]
611 611  
612 -2.Open Node-RED,And import the JSON file to generate the flow
613 613  
614 -Sample JSON file please go to this link to download：放置JSON文件的链接
615 615  
616 -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/]]
593 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
617 617  
618 -The following is the positioning effect map
595 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
619 619  
597 +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/]]
598 +
599 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
600 +
601 +
602 +Example output in NodeRed is as below:
603 +
620 620  [[image:image-20220723144339-1.png]]
621 621  
606 +
607 +
622 622  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
623 623  
610 +
624 624  The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
625 625  
626 626  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)
... ... @@ -628,9 +628,20 @@
628 628  [[image:image-20220723150132-2.png]]
629 629  
630 630  
631 -= 4.  Order Info =
632 632  
619 += 4.  FAQ =
633 633  
621 +
622 +== 4.1  How to Compile Source Code for LA66? ==
623 +
624 +
625 +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]]
626 +
627 +
628 +
629 += 5.  Order Info =
630 +
631 +
634 634  **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
635 635  
636 636  
... ... @@ -646,6 +646,7 @@
646 646  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
647 647  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
648 648  
649 -= 5.  Reference =
647 += 6.  Reference =
650 650  
649 +
651 651  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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