Summary

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Details

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Lu

Content

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2	2
3		-{{box cssClass="floatinginfobox" title="**Contents**"}}
4		-{{toc/}}
5		-{{/box}}
	3	+**Table of Contents:**
6	6
7	7	{{toc/}}
8	8
...	...	@@ -14,17 +14,44 @@
14	14	== 1.1  What is LA66 LoRaWAN Module ==
15	15
16	16
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
	19	+
	20	+(((
	21	+
	22	+)))
	23	+
	24	+(((
17	17	(% 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.
	26	+)))
	27	+)))
18	18
19		-(% 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.
	29	+(((
	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.
	32	+)))
	33	+)))
20	20
	35	+(((
	36	+(((
21	21	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
22	22
	40	+(((
23	23	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	+)))
	43	+)))
24	24
	45	+(((
	46	+(((
25	25	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
26	26
27	27
	52	+
28	28	== 1.2  Features ==
29	29
30	30	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -37,7 +37,6 @@
37	37	* Firmware upgradable via UART interface
38	38	* Ultra-long RF range
39	39
40		-
41	41	== 1.3  Specification ==
42	42
43	43	* CPU: 32-bit 48 MHz
...	...	@@ -58,25 +58,25 @@
58	58	* LoRa Rx current: <9 mA
59	59	* I/O Voltage: 3.3v
60	60
61		-
62	62	== 1.4  AT Command ==
63	63
	87	+
64	64	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
65	65
66	66
	91	+
67	67	== 1.5  Dimension ==
68	68
69		-[[image:image-20220517072526-1.png]]
	94	+[[image:image-20220718094750-3.png]]
70	70
71	71
72	72
73	73	== 1.6  Pin Mapping ==
74	74
	100	+[[image:image-20220720111850-1.png]]
75	75
76		-[[image:image-20220523101537-1.png]]
77	77
78	78
79		-
80	80	== 1.7  Land Pattern ==
81	81
82	82	[[image:image-20220517072821-2.png]]
...	...	@@ -88,9 +88,45 @@
88	88
89	89	== 2.1  Overview ==
90	90
91		-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.
92	92
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
93	93
	120	+(((
	121	+
	122	+)))
	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	+)))
	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	+)))
	133	+
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
	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	+)))
	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	+)))
	151	+
	152	+
	153	+
94	94	== 2.2  Features ==
95	95
96	96	* Arduino Shield base on LA66 LoRaWAN module
...	...	@@ -104,7 +104,6 @@
104	104	* Firmware upgradable via UART interface
105	105	* Ultra-long RF range
106	106
107		-
108	108	== 2.3  Specification ==
109	109
110	110	* CPU: 32-bit 48 MHz
...	...	@@ -125,23 +125,62 @@
125	125	* LoRa Rx current: <9 mA
126	126	* I/O Voltage: 3.3v
127	127
	187	+== 2.4  LED ==
128	128
129		-== 2.4  Pin Mapping & LED ==
	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
130	130
131	131
132		-
133	133	== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
134	134
	196	+Show connection diagram：
135	135
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
136	136
	200	+1.open Arduino IDE
	201	+
	202	+[[image:image-20220723170545-4.png]]
	203	+
	204	+2.Open project
	205	+
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
	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	+
	210	+[[image:image-20220723171228-6.png]]
	211	+
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
	213	+
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	215	+
137	137	== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
138	138
	218	+1.Open project
139	139
	220	+[[image:image-20220723172502-8.png]]
140	140
141		-== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	222	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
142	142
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
143	143
144	144
	227	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	228	+
	229	+1.Open project
	230	+
	231	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	232	+
	233	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	234	+
	235	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	236	+
	237	+3.Integration into Node-red via TTNV3
	238	+
	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	+
	241	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	242	+
145	145	== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
146	146
147	147
...	...	@@ -160,12 +160,15 @@
160	160	[[image:image-20220602101311-3.png||height="276" width="600"]]
161	161
162	162
	261	+(((
163	163	(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	263	+)))
164	164
165		-
	265	+(((
166	166	(% style="background-color:yellow" %)**GND  <-> GND
167		-TXD  <->  TXD
168		-RXD  <->  RXD**
	267	+TXD  <->  TXD
	268	+RXD  <->  RXD**
	269	+)))
169	169
170	170
171	171	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
...	...	@@ -185,15 +185,20 @@
185	185	[[image:image-20220602102824-5.png||height="306" width="600"]]
186	186
187	187
	289	+
188	188	==== 2.  Press the RST switch once ====
189	189
	292	+
190	190	[[image:image-20220602104701-12.png||height="285" width="600"]]
191	191
192	192
	296	+
193	193	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194	194
195	195
	300	+(((
196	196	(% 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/]]**
	302	+)))
197	197
198	198
199	199	[[image:image-20220602103227-6.png]]
...	...	@@ -231,6 +231,7 @@
231	231	[[image:image-20220602104923-13.png]]
232	232
233	233
	340	+
234	234	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235	235	(% style="color:blue" %)**5. Check update process**
236	236
...	...	@@ -251,9 +251,32 @@
251	251
252	252	== 3.1  Overview ==
253	253
254		-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.
255	255
	362	+[[image:image-20220715001142-3.png||height="145" width="220"]]
256	256
	364	+
	365	+(((
	366	+(% 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.
	367	+)))
	368	+
	369	+(((
	370	+(% 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.
	371	+)))
	372	+
	373	+(((
	374	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	375	+)))
	376	+
	377	+(((
	378	+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.
	379	+)))
	380	+
	381	+(((
	382	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	383	+)))
	384	+
	385	+
	386	+
257	257	== 3.2  Features ==
258	258
259	259	* LoRaWAN USB adapter base on LA66 LoRaWAN module
...	...	@@ -266,8 +266,9 @@
266	266	* World-wide unique OTAA keys.
267	267	* AT Command via UART-TTL interface
268	268	* Firmware upgradable via UART interface
	399	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
269	269
270		-== Specification ==
	401	+== 3.3  Specification ==
271	271
272	272	* CPU: 32-bit 48 MHz
273	273	* Flash: 256KB
...	...	@@ -285,16 +285,24 @@
285	285	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286	286	* LoRa Rx current: <9 mA
287	287
288		-== Pin Mapping & LED ==
	419	+== 3.4  Pin Mapping & LED ==
289	289
290		-== Example Send & Get Messages via LoRaWAN in PC ==
291	291
	422	+
	423	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	424	+
	425	+
	426	+(((
292	292	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	428	+)))
293	293
294		-~1. Connect the LA66 USB LoRaWAN adapter to PC
295	295
296		-[[image:image-20220602171217-1.png||height="538" width="800"]]
	431	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
297	297
	433	+
	434	+[[image:image-20220723100027-1.png]]
	435	+
	436	+
298	298	Open the serial port tool
299	299
300	300	[[image:image-20220602161617-8.png]]
...	...	@@ -302,67 +302,76 @@
302	302	[[image:image-20220602161718-9.png||height="457" width="800"]]
303	303
304	304
305		-2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
306	306
	445	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	446	+
307	307	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308	308
	449	+
309	309	[[image:image-20220602161935-10.png||height="498" width="800"]]
310	310
311	311
312		-3. See Uplink Command
313	313
314		-Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	454	+(% style="color:blue" %)**3. See Uplink Command**
315	315
	456	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	457	+
316	316	example: AT+SENDB=01,02,8,05820802581ea0a5
317	317
318	318	[[image:image-20220602162157-11.png||height="497" width="800"]]
319	319
320	320
321		-4. Check to see if TTN received the message
322	322
	464	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	465	+
323	323	[[image:image-20220602162331-12.png||height="420" width="800"]]
324	324
325	325
326	326
327		-== Example:Send PC's CPU/RAM usage to TTN via python ==
	470	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
328	328
329		-(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
	472	+
330	330	**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]]
331	331
332		-(% class="wikigeneratedid" id="HPreconditions:" %)
333		-**Preconditions:**
	475	+(**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]])
334	334
335		-1.LA66 USB LoRaWAN Adapter works fine
	477	+(% style="color:red" %)**Preconditions:**
336	336
337		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	479	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
338	338
339		-(% class="wikigeneratedid" id="HStepsforusage" %)
340		-**Steps for usage**
	481	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
341	341
342		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
343	343
344		-2.Run the python script in PC and see the TTN
345	345
	485	+(% style="color:blue" %)**Steps for usage:**
	486	+
	487	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	488	+
	489	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	490	+
346	346	[[image:image-20220602115852-3.png||height="450" width="1187"]]
347	347
348	348
349	349
350		-== Example Send & Get Messages via LoRaWAN in RPi ==
	495	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
351	351
	497	+
352	352	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353	353
354		-~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
355	355
356		-[[image:image-20220602171233-2.png||height="538" width="800"]]
	501	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
357	357
	503	+[[image:image-20220723100439-2.png]]
358	358
359		-2. Install Minicom in RPi.
360	360
	506	+
	507	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	508	+
361	361	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
362	362
363		-(% class="mark" %)apt update
	511	+ (% style="background-color:yellow" %)**apt update**
364	364
365		-(% class="mark" %)apt install minicom
	513	+ (% style="background-color:yellow" %)**apt install minicom**
366	366
367	367
368	368	Use minicom to connect to the RPI's terminal
...	...	@@ -370,20 +370,27 @@
370	370	[[image:image-20220602153146-3.png||height="439" width="500"]]
371	371
372	372
373		-3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
375	375
	522	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	523	+
	524	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	525	+
	526	+
376	376	[[image:image-20220602154928-5.png||height="436" width="500"]]
377	377
378	378
379		-4. Send Uplink message
380	380
381		-Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	531	+(% style="color:blue" %)**4. Send Uplink message**
382	382
	533	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	534	+
383	383	example: AT+SENDB=01,02,8,05820802581ea0a5
384	384
	537	+
385	385	[[image:image-20220602160339-6.png||height="517" width="600"]]
386	386
	540	+
	541	+
387	387	Check to see if TTN received the message
388	388
389	389	[[image:image-20220602160627-7.png||height="369" width="800"]]
...	...	@@ -390,33 +390,107 @@
390	390
391	391
392	392
393		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	548	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
394	394
	550	+=== 3.8.1 DRAGINO-LA66-APP ===
395	395
396		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	552	+[[image:image-20220723102027-3.png]]
397	397
	554	+==== Overview： ====
398	398
	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.
399	399
400		-= Order Info =
	558	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
401	401
402		-Part Number:
	560	+==== Conditions of Use： ====
403	403
404		-**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
	562	+Requires a type-c to USB adapter
405	405
406		-**XXX**: The default frequency band
	564	+[[image:image-20220723104754-4.png]]
407	407
408		-* **AS923**: LoRaWAN AS923 band
409		-* **AU915**: LoRaWAN AU915 band
410		-* **EU433**: LoRaWAN EU433 band
411		-* **EU868**: LoRaWAN EU868 band
412		-* **KR920**: LoRaWAN KR920 band
413		-* **US915**: LoRaWAN US915 band
414		-* **IN865**: LoRaWAN IN865 band
415		-* **CN470**: LoRaWAN CN470 band
416		-* **PP**: Peer to Peer LoRa Protocol
	566	+==== Use of APP: ====
417	417
418		-= Reference =
	568	+Function and page introduction
419	419
420		-* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	570	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
421	421
422		-
	572	+1.Display LA66 USB LoRaWAN Module connection status
	573	+
	574	+2.Check and reconnect
	575	+
	576	+3.Turn send timestamps on or off
	577	+
	578	+4.Display LoRaWan connection status
	579	+
	580	+5.Check LoRaWan connection status
	581	+
	582	+6.The RSSI value of the node when the ACK is received
	583	+
	584	+7.Node's Signal Strength Icon
	585	+
	586	+8.Set the packet sending interval of the node in seconds
	587	+
	588	+9.AT command input box
	589	+
	590	+10.Send AT command button
	591	+
	592	+11.Node log box
	593	+
	594	+12.clear log button
	595	+
	596	+13.exit button
	597	+
	598	+LA66 USB LoRaWAN Module not connected
	599	+
	600	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	601	+
	602	+Connect LA66 USB LoRaWAN Module
	603	+
	604	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	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	+
	608	+1.Register LA66 USB LoRaWAN Module to TTNV3
	609	+
	610	+[[image:image-20220723134549-8.png]]
	611	+
	612	+2.Open Node-RED,And import the JSON file to generate the flow
	613	+
	614	+Sample JSON file please go to this link to download：放置JSON文件的链接
	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/]]
	617	+
	618	+The following is the positioning effect map
	619	+
	620	+[[image:image-20220723144339-1.png]]
	621	+
	622	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	623	+
	624	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	625	+
	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)
	627	+
	628	+[[image:image-20220723150132-2.png]]
	629	+
	630	+
	631	+= 4.  Order Info =
	632	+
	633	+
	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	+
	636	+
	637	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	638	+
	639	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	640	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	641	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	642	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	643	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	644	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	645	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	646	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	647	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	648	+
	649	+= 5.  Reference =
	650	+
	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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