Summary

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Details

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Title

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1		-LA66 LoRaWAN Module
	1	+LA66 LoRaWAN Shield User Manual

Content

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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
	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
...	...	@@ -63,8 +63,11 @@
63	63	* Ultra-long RF range
64	64
65	65
	69	+
	70	+
66	66	== 1.3  Specification ==
67	67
	73	+
68	68	* CPU: 32-bit 48 MHz
69	69	* Flash: 256KB
70	70	* RAM: 64KB
...	...	@@ -84,144 +84,121 @@
84	84	* I/O Voltage: 3.3v
85	85
86	86
87		-== 1.4  AT Command ==
88	88
89	89
90		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	95	+== 1.4  Pin Mapping & LED ==
91	91
92	92
	98	+[[image:image-20220814101457-1.png||height="553" width="761"]]
93	93
94		-== 1.5  Dimension ==
	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		-[[image:image-20220718094750-3.png]]
97	97
98	98
	106	+== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
99	99
100	100
101		-== 1.6  Pin Mapping ==
	109	+**Show connection diagram：**
102	102
103	103
104		-[[image:image-20220719093156-1.png]]
	112	+[[image:image-20220723170210-2.png||height="908" width="681"]]
105	105
106	106
107	107
108		-== 1.7  Land Pattern ==
	116	+(% style="color:blue" %)**1.  open Arduino IDE**
109	109
110		-[[image:image-20220517072821-2.png]]
111	111
	119	+[[image:image-20220723170545-4.png]]
112	112
113	113
114		-= 2.  LA66 LoRaWAN Shield =
115	115
	123	+(% style="color:blue" %)**2.  Open project**
116	116
117		-== 2.1  Overview ==
118	118
	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]]
119	119
120		-(((
121		-[[image:image-20220715000826-2.png||height="145" width="220"]]
122		-)))
	128	+[[image:image-20220726135239-1.png]]
123	123
124		-(((
125		-
126		-)))
127	127
128		-(((
129		-(% 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.
130		-)))
	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**
131	131
132		-(((
133		-(((
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.
135		-)))
136		-)))
	133	+[[image:image-20220726135356-2.png]]
137	137
138		-(((
139		-(((
140		-Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141		-)))
142		-)))
143	143
144		-(((
145		-(((
146		-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.
147		-)))
148		-)))
	136	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
149	149
150		-(((
151		-(((
152		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153		-)))
154		-)))
155	155
	139	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
156	156
157	157
158		-== 2.2  Features ==
159	159
160		-* Arduino Shield base on LA66 LoRaWAN module
161		-* Support LoRaWAN v1.0.4 protocol
162		-* Support peer-to-peer protocol
163		-* TCXO crystal to ensure RF performance on low temperature
164		-* SMA connector
165		-* Available in different frequency LoRaWAN frequency bands.
166		-* World-wide unique OTAA keys.
167		-* AT Command via UART-TTL interface
168		-* Firmware upgradable via UART interface
169		-* Ultra-long RF range
	143	+== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
170	170
171	171
172		-== 2.3  Specification ==
	146	+(% style="color:blue" %)**1.  Open project**
173	173
174		-* CPU: 32-bit 48 MHz
175		-* Flash: 256KB
176		-* RAM: 64KB
177		-* Input Power Range: 1.8v ~~ 3.7v
178		-* Power Consumption: < 4uA.
179		-* Frequency Range: 150 MHz ~~ 960 MHz
180		-* Maximum Power +22 dBm constant RF output
181		-* High sensitivity: -148 dBm
182		-* Temperature:
183		-** Storage: -55 ~~ +125℃
184		-** Operating: -40 ~~ +85℃
185		-* Humidity:
186		-** Storage: 5 ~~ 95% (Non-Condensing)
187		-** Operating: 10 ~~ 95% (Non-Condensing)
188		-* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
189		-* LoRa Rx current: <9 mA
190		-* I/O Voltage: 3.3v
191	191
	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]]
192	192
193		-== 2.4  Pin Mapping & LED ==
194	194
	152	+[[image:image-20220723172502-8.png]]
195	195
196	196
197		-== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
198	198
	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**
199	199
200	200
201		-== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	159	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
202	202
203	203
204	204
205		-== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	163	+== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
206	206
207	207
	166	+(% style="color:blue" %)**1.  Open project**
208	208
209		-== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
210	210
	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]]
211	211
212		-=== 2.8.1  Items needed for update ===
213	213
	172	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	173	+
	174	+
	175	+
	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**
	177	+
	178	+
	179	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	180	+
	181	+
	182	+
	183	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	184	+
	185	+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/]]
	186	+
	187	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	188	+
	189	+
	190	+
	191	+== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	192	+
	193	+
	194	+=== 1.8.1  Items needed for update ===
	195	+
	196	+
214	214	1. LA66 LoRaWAN Shield
215	215	1. Arduino
216	216	1. USB TO TTL Adapter
217	217
218		-
219	219	[[image:image-20220602100052-2.png||height="385" width="600"]]
220	220
221	221
222		-=== 2.8.2  Connection ===
223	223
	205	+=== 1.8.2  Connection ===
224	224
	207	+
225	225	[[image:image-20220602101311-3.png||height="276" width="600"]]
226	226
227	227
...	...	@@ -244,10 +244,11 @@
244	244	[[image:image-20220602102240-4.png||height="304" width="600"]]
245	245
246	246
	230	+
247	247	=== 2.8.3  Upgrade steps ===
248	248
249	249
250		-==== 1.  Switch SW1 to put in ISP position ====
	234	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
251	251
252	252
253	253	[[image:image-20220602102824-5.png||height="306" width="600"]]
...	...	@@ -254,7 +254,7 @@
254	254
255	255
256	256
257		-==== 2.  Press the RST switch once ====
	241	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
258	258
259	259
260	260	[[image:image-20220602104701-12.png||height="285" width="600"]]
...	...	@@ -261,7 +261,7 @@
261	261
262	262
263	263
264		-==== 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(%%) ====
265	265
266	266
267	267	(((
...	...	@@ -329,20 +329,31 @@
329	329	[[image:image-20220715001142-3.png||height="145" width="220"]]
330	330
331	331
	316	+(((
332	332	(% 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.
	318	+)))
333	333
334		-(% 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.
	320	+(((
	321	+(% 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.
	322	+)))
335	335
	324	+(((
336	336	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	326	+)))
337	337
	328	+(((
338	338	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.
	330	+)))
339	339
	332	+(((
340	340	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	334	+)))
341	341
342	342
343	343
344	344	== 3.2  Features ==
345	345
	340	+
346	346	* LoRaWAN USB adapter base on LA66 LoRaWAN module
347	347	* Ultra-long RF range
348	348	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -355,9 +355,9 @@
355	355	* Firmware upgradable via UART interface
356	356	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
357	357
358		-
359	359	== 3.3  Specification ==
360	360
	355	+
361	361	* CPU: 32-bit 48 MHz
362	362	* Flash: 256KB
363	363	* RAM: 64KB
...	...	@@ -374,21 +374,23 @@
374	374	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
375	375	* LoRa Rx current: <9 mA
376	376
377		-
378	378	== 3.4  Pin Mapping & LED ==
379	379
	374	+[[image:image-20220813183239-3.png||height="526" width="662"]]
380	380
381	381
382	382	== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
383	383
384	384
	380	+(((
385	385	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	382	+)))
386	386
387	387
388	388	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
389	389
390	390
391		-[[image:image-20220602171217-1.png||height="538" width="800"]]
	388	+[[image:image-20220723100027-1.png]]
392	392
393	393
394	394	Open the serial port tool
...	...	@@ -429,6 +429,7 @@
429	429
430	430	**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]]
431	431
	429	+(**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]])
432	432
433	433	(% style="color:red" %)**Preconditions:**
434	434
...	...	@@ -456,7 +456,7 @@
456	456
457	457	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
458	458
459		-[[image:image-20220602171233-2.png||height="538" width="800"]]
	457	+[[image:image-20220723100439-2.png]]
460	460
461	461
462	462
...	...	@@ -501,18 +501,136 @@
501	501
502	502
503	503
504		-== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	502	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
505	505
506	506
	505	+=== 3.8.1  Hardware and Software Connection ===
507	507
	507	+
	508	+==== (% style="color:blue" %)**Overview：**(%%) ====
	509	+
	510	+
	511	+(((
	512	+DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
	513	+
	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	+)))
	518	+
	519	+
	520	+
	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	+
	539	+Function and page introduction
	540	+
	541	+[[image:image-20220723113448-7.png||height="995" width="450"]]
	542	+
	543	+**Block Explain:**
	544	+
	545	+1.  Display LA66 USB LoRaWAN Module connection status
	546	+
	547	+2.  Check and reconnect
	548	+
	549	+3.  Turn send timestamps on or off
	550	+
	551	+4.  Display LoRaWan connection status
	552	+
	553	+5.  Check LoRaWan connection status
	554	+
	555	+6.  The RSSI value of the node when the ACK is received
	556	+
	557	+7.  Node's Signal Strength Icon
	558	+
	559	+8.  Configure Location Uplink Interval
	560	+
	561	+9.  AT command input box
	562	+
	563	+10.  Send Button:  Send input box info to LA66 USB Adapter
	564	+
	565	+11.  Output Log from LA66 USB adapter
	566	+
	567	+12.  clear log button
	568	+
	569	+13.  exit button
	570	+
	571	+
	572	+LA66 USB LoRaWAN Module not connected
	573	+
	574	+[[image:image-20220723110520-5.png||height="677" width="508"]]
	575	+
	576	+
	577	+
	578	+Connect LA66 USB LoRaWAN Module
	579	+
	580	+[[image:image-20220723110626-6.png||height="681" width="511"]]
	581	+
	582	+
	583	+
	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	+
	589	+[[image:image-20220723134549-8.png]]
	590	+
	591	+
	592	+
	593	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	594	+
	595	+Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
	596	+
	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	+
	604	+[[image:image-20220723144339-1.png]]
	605	+
	606	+
	607	+
508	508	== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
509	509
510	510
	611	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
511	511
	613	+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)
512	512
513		-= 4.  Order Info =
	615	+[[image:image-20220723150132-2.png]]
514	514
515	515
	618	+
	619	+= 4.  FAQ =
	620	+
	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	+
516	516	**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
517	517
518	518
...	...	@@ -528,7 +528,7 @@
528	528	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
529	529	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
530	530
	647	+= 6.  Reference =
531	531
532		-= 5.  Reference =
533	533
534	534	* 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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