Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 100.5 >
edited by Xiaoling
on 2022/07/19 11:45
To version < 151.1 >
edited by Edwin Chen
on 2022/08/20 11:23
>
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
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -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 v1.0.4 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.
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  
55 -* Support LoRaWAN v1.0.4 protocol
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
58 +* Support LoRaWAN v1.0.3 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 +62,10 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
68 +
65 65  == 1.3  Specification ==
66 66  
71 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,131 +82,116 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
85 -== 1.4  AT Command ==
86 86  
91 +== 1.4  Pin Mapping & LED ==
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  
94 +[[image:image-20220817085048-1.png||height="533" width="734"]]
90 90  
91 91  
92 -== 1.5  Dimension ==
93 93  
94 -[[image:image-20220718094750-3.png]]
98 +~1. The LED lights up red when there is an upstream data packet
99 +2. When the network is successfully connected, the green light will be on for 5 seconds
100 +3. Purple light on when receiving downlink data packets
95 95  
96 96  
103 +[[image:image-20220820112305-1.png||height="515" width="749"]]
97 97  
98 98  
99 -== 1.6  Pin Mapping ==
100 100  
107 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
101 101  
102 -[[image:image-20220719093156-1.png]]
103 103  
110 +**Show connection diagram：**
104 104  
105 105  
106 -== 1.7  Land Pattern ==
113 +[[image:image-20220723170210-2.png||height="908" width="681"]]
107 107  
108 -[[image:image-20220517072821-2.png]]
109 109  
110 110  
117 +(% style="color:blue" %)**1.  open Arduino IDE**
111 111  
112 -= 2.  LA66 LoRaWAN Shield =
113 113  
120 +[[image:image-20220723170545-4.png]]
114 114  
115 -== 2.1  Overview ==
116 116  
117 117  
118 -(((
119 -[[image:image-20220715000826-2.png||height="145" width="220"]]
120 -)))
124 +(% style="color:blue" %)**2.  Open project**
121 121  
122 -(((
123 -
124 -)))
125 125  
126 -(((
127 -(% 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.
128 -)))
127 +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]]
129 129  
130 -(((
131 -(((
132 -(% 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.
133 -)))
134 -)))
129 +[[image:image-20220726135239-1.png]]
135 135  
136 -(((
137 -(((
138 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 -)))
140 -)))
141 141  
142 -(((
143 -(((
144 -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.
145 -)))
146 -)))
147 147  
148 -(((
149 -(((
150 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 -)))
152 -)))
133 +(% 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**
153 153  
135 +[[image:image-20220726135356-2.png]]
154 154  
155 155  
156 -== 2.2  Features ==
157 157  
158 -* Arduino Shield base on LA66 LoRaWAN module
159 -* Support LoRaWAN v1.0.4 protocol
160 -* Support peer-to-peer protocol
161 -* TCXO crystal to ensure RF performance on low temperature
162 -* SMA connector
163 -* Available in different frequency LoRaWAN frequency bands.
164 -* World-wide unique OTAA keys.
165 -* AT Command via UART-TTL interface
166 -* Firmware upgradable via UART interface
167 -* Ultra-long RF range
139 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
168 168  
169 -== 2.3  Specification ==
170 170  
171 -* CPU: 32-bit 48 MHz
172 -* Flash: 256KB
173 -* RAM: 64KB
174 -* Input Power Range: 1.8v ~~ 3.7v
175 -* Power Consumption: < 4uA.
176 -* Frequency Range: 150 MHz ~~ 960 MHz
177 -* Maximum Power +22 dBm constant RF output
178 -* High sensitivity: -148 dBm
179 -* Temperature:
180 -** Storage: -55 ~~ +125℃
181 -** Operating: -40 ~~ +85℃
182 -* Humidity:
183 -** Storage: 5 ~~ 95% (Non-Condensing)
184 -** Operating: 10 ~~ 95% (Non-Condensing)
185 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
186 -* LoRa Rx current: <9 mA
187 -* I/O Voltage: 3.3v
142 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
188 188  
189 -== 2.4  Pin Mapping & LED ==
190 190  
191 191  
146 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
192 192  
193 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
194 194  
149 +(% style="color:blue" %)**1.  Open project**
195 195  
196 196  
197 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
152 +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]]
198 198  
199 199  
155 +[[image:image-20220723172502-8.png]]
200 200  
201 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
202 202  
203 203  
159 +(% 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**
204 204  
205 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
206 206  
162 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
207 207  
208 -=== 2.8.1  Items needed for update ===
209 209  
165 +
166 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
167 +
168 +
169 +(% style="color:blue" %)**1.  Open project**
170 +
171 +
172 +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]]
173 +
174 +
175 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 +
177 +
178 +
179 +(% 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**
180 +
181 +
182 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
183 +
184 +
185 +
186 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
187 +
188 +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/]]
189 +
190 +[[image:image-20220723175700-12.png||height="602" width="995"]]
191 +
192 +
193 +
194 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
195 +
196 +
197 +=== 1.8.1  Items needed for update ===
198 +
199 +
210 210  1. LA66 LoRaWAN Shield
211 211  1. Arduino
212 212  1. USB TO TTL Adapter
... ... @@ -214,9 +214,10 @@
214 214  [[image:image-20220602100052-2.png||height="385" width="600"]]
215 215  
216 216  
217 -=== 2.8.2  Connection ===
218 218  
208 +=== 1.8.2  Connection ===
219 219  
210 +
220 220  [[image:image-20220602101311-3.png||height="276" width="600"]]
221 221  
222 222  
... ... @@ -239,26 +239,29 @@
239 239  [[image:image-20220602102240-4.png||height="304" width="600"]]
240 240  
241 241  
242 -=== 2.8.3  Upgrade steps ===
243 243  
234 +=== 1.8.3  Upgrade steps ===
244 244  
245 -==== 1.  Switch SW1 to put in ISP position ====
246 246  
247 247  
238 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 +
240 +
248 248  [[image:image-20220602102824-5.png||height="306" width="600"]]
249 249  
250 250  
251 251  
252 -==== 2.  Press the RST switch once ====
245 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
253 253  
254 254  
255 -[[image:image-20220602104701-12.png||height="285" width="600"]]
248 +[[image:image-20220817085447-1.png]]
256 256  
257 257  
258 258  
259 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
260 260  
253 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
261 261  
255 +
262 262  (((
263 263  (% style="color:blue" %)**1. 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/]]**
264 264  )))
... ... @@ -315,216 +315,22 @@
315 315  
316 316  
317 317  
318 -= 3.  LA66 USB LoRaWAN Adapter =
312 += 2.  FAQ =
319 319  
320 320  
321 -== 3.1  Overview ==
315 +== 2.1  How to Compile Source Code for LA66? ==
322 322  
323 323  
324 -[[image:image-20220715001142-3.png||height="145" width="220"]]
318 +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]]
325 325  
326 326  
327 -(((
328 -(% 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.
329 -)))
330 330  
331 -(((
332 -(% 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.
333 -)))
322 += 3.  Order Info =
334 334  
335 -(((
336 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
337 -)))
338 338  
339 -(((
340 -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.
341 -)))
325 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
342 342  
343 -(((
344 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
345 -)))
346 346  
347 -
348 -
349 -== 3.2  Features ==
350 -
351 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
352 -* Ultra-long RF range
353 -* Support LoRaWAN v1.0.4 protocol
354 -* Support peer-to-peer protocol
355 -* TCXO crystal to ensure RF performance on low temperature
356 -* Spring RF antenna
357 -* Available in different frequency LoRaWAN frequency bands.
358 -* World-wide unique OTAA keys.
359 -* AT Command via UART-TTL interface
360 -* Firmware upgradable via UART interface
361 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
362 -
363 -
364 -
365 -== 3.3  Specification ==
366 -
367 -* CPU: 32-bit 48 MHz
368 -* Flash: 256KB
369 -* RAM: 64KB
370 -* Input Power Range: 5v
371 -* Frequency Range: 150 MHz ~~ 960 MHz
372 -* Maximum Power +22 dBm constant RF output
373 -* High sensitivity: -148 dBm
374 -* Temperature:
375 -** Storage: -55 ~~ +125℃
376 -** Operating: -40 ~~ +85℃
377 -* Humidity:
378 -** Storage: 5 ~~ 95% (Non-Condensing)
379 -** Operating: 10 ~~ 95% (Non-Condensing)
380 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
381 -* LoRa Rx current: <9 mA
382 -
383 -
384 -
385 -== 3.4  Pin Mapping & LED ==
386 -
387 -
388 -
389 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
390 -
391 -
392 -(((
393 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 -)))
395 -
396 -
397 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
398 -
399 -
400 -[[image:image-20220602171217-1.png||height="538" width="800"]]
401 -
402 -
403 -Open the serial port tool
404 -
405 -[[image:image-20220602161617-8.png]]
406 -
407 -[[image:image-20220602161718-9.png||height="457" width="800"]]
408 -
409 -
410 -
411 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
412 -
413 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
414 -
415 -
416 -[[image:image-20220602161935-10.png||height="498" width="800"]]
417 -
418 -
419 -
420 -(% style="color:blue" %)**3. See Uplink Command**
421 -
422 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 -
424 -example: AT+SENDB=01,02,8,05820802581ea0a5
425 -
426 -[[image:image-20220602162157-11.png||height="497" width="800"]]
427 -
428 -
429 -
430 -(% style="color:blue" %)**4. Check to see if TTN received the message**
431 -
432 -[[image:image-20220602162331-12.png||height="420" width="800"]]
433 -
434 -
435 -
436 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
437 -
438 -
439 -**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]]
440 -
441 -
442 -(% style="color:red" %)**Preconditions:**
443 -
444 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
445 -
446 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
447 -
448 -
449 -
450 -(% style="color:blue" %)**Steps for usage:**
451 -
452 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
453 -
454 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
455 -
456 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
457 -
458 -
459 -
460 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
461 -
462 -
463 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
464 -
465 -
466 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
467 -
468 -[[image:image-20220602171233-2.png||height="538" width="800"]]
469 -
470 -
471 -
472 -(% style="color:blue" %)**2. Install Minicom in RPi.**
473 -
474 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
475 -
476 - (% style="background-color:yellow" %)**apt update**
477 -
478 - (% style="background-color:yellow" %)**apt install minicom**
479 -
480 -
481 -Use minicom to connect to the RPI's terminal
482 -
483 -[[image:image-20220602153146-3.png||height="439" width="500"]]
484 -
485 -
486 -
487 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
488 -
489 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
490 -
491 -
492 -[[image:image-20220602154928-5.png||height="436" width="500"]]
493 -
494 -
495 -
496 -(% style="color:blue" %)**4. Send Uplink message**
497 -
498 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
499 -
500 -example: AT+SENDB=01,02,8,05820802581ea0a5
501 -
502 -
503 -[[image:image-20220602160339-6.png||height="517" width="600"]]
504 -
505 -
506 -
507 -Check to see if TTN received the message
508 -
509 -[[image:image-20220602160627-7.png||height="369" width="800"]]
510 -
511 -
512 -
513 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
514 -
515 -
516 -
517 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
518 -
519 -
520 -
521 -
522 -= 4.  Order Info =
523 -
524 -
525 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
526 -
527 -
528 528  (% style="color:blue" %)**XXX**(%%): The default frequency band
529 529  
530 530  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -539,6 +539,9 @@
539 539  
540 540  
541 541  
542 -= 5.  Reference =
342 += 4.  Reference =
543 543  
544 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
344 +
345 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 +
347 +
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