Wiki source code of LA66 LoRaWAN Module

Version 134.9 by Xiaoling on 2022/07/26 10:46

version	line-number	content
134.2	1
87.2	2
87.13	3	Table of Contents:
	4
1.1	5	{{toc/}}
	6
	7
6.1	8
87.2	9	= 1. LA66 LoRaWAN Module =
	10
	11
	12	== 1.1 What is LA66 LoRaWAN Module ==
	13
	14
87.15	15	(((
100.2	16	(((
	17	[[image:image-20220719093358-2.png\|\|height="145" width="220"]](% style="color:blue" %)
	18	)))
88.2	19
100.2	20	(((
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	24	(((
65.1	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.
87.15	26	)))
100.2	27	)))
1.1	28
87.15	29	(((
100.2	30	(((
101.4	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.
87.15	32	)))
100.2	33	)))
1.1	34
87.15	35	(((
100.2	36	(((
65.1	37	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	38	)))
1.1	39
87.15	40	(((
65.1	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.
87.15	42	)))
100.2	43	)))
1.1	44
87.15	45	(((
100.2	46	(((
65.1	47	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	48	)))
100.2	49	)))
1.1	50
67.1	51
100.2	52
87.2	53	== 1.2 Features ==
64.1	54
68.1	55	* Support LoRaWAN v1.0.4 protocol
	56	* Support peer-to-peer protocol
	57	* TCXO crystal to ensure RF performance on low temperature
	58	* SMD Antenna pad and i-pex antenna connector
	59	* Available in different frequency LoRaWAN frequency bands.
	60	* World-wide unique OTAA keys.
69.1	61	* AT Command via UART-TTL interface
	62	* Firmware upgradable via UART interface
	63	* Ultra-long RF range
64.1	64
87.2	65	== 1.3 Specification ==
	66
68.1	67	* CPU: 32-bit 48 MHz
	68	* Flash: 256KB
	69	* RAM: 64KB
66.1	70	* Input Power Range: 1.8v ~~ 3.7v
	71	* Power Consumption: < 4uA.
	72	* Frequency Range: 150 MHz ~~ 960 MHz
	73	* Maximum Power +22 dBm constant RF output
	74	* High sensitivity: -148 dBm
	75	* Temperature:
	76	** Storage: -55 ~~ +125℃
	77	** Operating: -40 ~~ +85℃
	78	* Humidity:
	79	** Storage: 5 ~~ 95% (Non-Condensing)
	80	** Operating: 10 ~~ 95% (Non-Condensing)
	81	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	82	* LoRa Rx current: <9 mA
	83	* I/O Voltage: 3.3v
1.1	84
87.2	85	== 1.4 AT Command ==
	86
98.2	87
66.1	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.
1.1	89
3.1	90
98.4	91
87.2	92	== 1.5 Dimension ==
3.1	93
98.2	94	[[image:image-20220718094750-3.png]]
3.1	95
	96
5.1	97
87.2	98	== 1.6 Pin Mapping ==
	99
101.2	100	[[image:image-20220720111850-1.png]]
87.2	101
5.1	102
	103
87.2	104	== 1.7 Land Pattern ==
	105
5.1	106	[[image:image-20220517072821-2.png]]
	107
	108
	109
87.2	110	= 2. LA66 LoRaWAN Shield =
6.1	111
	112
87.2	113	== 2.1 Overview ==
	114
90.1	115
100.2	116	(((
	117	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	118	)))
90.1	119
100.2	120	(((
	121
	122	)))
	123
	124	(((
100.4	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.
100.2	126	)))
71.1	127
90.1	128	(((
100.2	129	(((
101.4	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.
90.1	131	)))
100.2	132	)))
71.1	133
90.1	134	(((
100.2	135	(((
90.1	136	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	137	)))
100.2	138	)))
90.1	139
	140	(((
100.2	141	(((
90.1	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	)))
100.2	144	)))
90.1	145
	146	(((
100.2	147	(((
90.1	148	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	149	)))
100.2	150	)))
90.1	151
	152
100.2	153
87.2	154	== 2.2 Features ==
71.1	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
	166
87.2	167	== 2.3 Specification ==
	168
71.1	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
125.1	187	== 2.4 LED ==
11.1	188
134.5	189
125.1	190	~1. The LED lights up red when there is an upstream data packet
	191	2. When the network is successfully connected, the green light will be on for 5 seconds
	192	3. Purple light on when receiving downlink data packets
11.1	193
	194
134.5	195
87.2	196	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	197
	198
134.3	199	Show connection diagram：
	200
	201
125.1	202	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	203
125.1	204
134.3	205
134.6	206	(% style="color:blue" %)1. open Arduino IDE
134.3	207
	208
125.1	209	[[image:image-20220723170545-4.png]]
	210
	211
134.3	212
134.6	213	(% style="color:blue" %)2. Open project
134.3	214
	215
134.7	216	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]]
134.3	217
125.1	218
	219
134.6	220	(% 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
134.3	221
	222
125.1	223
134.6	224	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	225
134.3	226
131.1	227	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	228
134.3	229
	230
87.2	231	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	232
	233
134.6	234	(% style="color:blue" %)1. Open project
134.3	235
	236
134.7	237	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]]
134.3	238
134.7	239
131.1	240	[[image:image-20220723172502-8.png]]
87.2	241
131.1	242
134.3	243
134.6	244	(% 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
134.3	245
	246
131.1	247	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	248
	249
134.2	250
133.1	251	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	252
	253
134.6	254	(% style="color:blue" %)1. Open project
134.2	255
	256
134.7	257	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]]
134.2	258
	259
131.1	260	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	261
131.1	262
134.2	263
134.6	264	(% 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
134.2	265
	266
131.1	267	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	268
	269
134.2	270
134.6	271	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	272
133.1	273	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/]]
	274
	275	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	276
134.2	277
	278
87.2	279	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	280
	281
	282	=== 2.8.1 Items needed for update ===
	283
134.2	284
74.1	285	1. LA66 LoRaWAN Shield
	286	1. Arduino
	287	1. USB TO TTL Adapter
13.1	288
75.1	289	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	290
	291
87.2	292	=== 2.8.2 Connection ===
20.1	293
87.2	294
75.1	295	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	296
	297
87.17	298	(((
87.2	299	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	300	)))
87.2	301
87.16	302	(((
87.2	303	(% style="background-color:yellow" %)**GND <-> GND
87.8	304	TXD <-> TXD
	305	RXD <-> RXD**
87.16	306	)))
87.2	307
	308
77.1	309	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	310
75.1	311	Connect USB TTL Adapter to PC after connecting the wires
20.1	312
	313
75.1	314	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	315
	316
87.2	317	=== 2.8.3 Upgrade steps ===
20.1	318
	319
134.2	320	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	321
	322
75.1	323	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	324
	325
87.9	326
134.2	327	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	328
87.10	329
75.1	330	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	331
75.1	332
87.9	333
134.2	334	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	335
39.1	336
87.18	337	(((
87.2	338	(% 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/]]
87.18	339	)))
87.2	340
	341
32.1	342	[[image:image-20220602103227-6.png]]
	343
87.2	344
32.1	345	[[image:image-20220602103357-7.png]]
	346
	347
87.2	348
76.1	349	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	350	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	351
87.2	352
32.1	353	[[image:image-20220602103844-8.png]]
	354
	355
87.2	356
76.1	357	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	358	(% style="color:blue" %)3. Select the bin file to burn
76.1	359
87.2	360
32.1	361	[[image:image-20220602104144-9.png]]
	362
87.2	363
32.1	364	[[image:image-20220602104251-10.png]]
	365
87.2	366
32.1	367	[[image:image-20220602104402-11.png]]
	368
	369
87.2	370
76.1	371	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	372	(% style="color:blue" %)4. Click to start the download
76.1	373
32.1	374	[[image:image-20220602104923-13.png]]
	375
	376
87.10	377
76.1	378	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	379	(% style="color:blue" %)5. Check update process
76.1	380
87.2	381
32.1	382	[[image:image-20220602104948-14.png]]
	383
	384
87.2	385
76.1	386	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	387	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	388
32.1	389	[[image:image-20220602105251-15.png]]
	390
72.1	391
	392
87.2	393	= 3. LA66 USB LoRaWAN Adapter =
6.1	394
7.1	395
87.2	396	== 3.1 Overview ==
	397
100.3	398
93.1	399	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	400
100.3	401
100.5	402	(((
91.1	403	(% 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.
100.5	404	)))
52.1	405
100.5	406	(((
101.4	407	(% 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.
100.5	408	)))
73.1	409
100.5	410	(((
90.1	411	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	412	)))
90.1	413
100.5	414	(((
90.1	415	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.
100.5	416	)))
90.1	417
100.5	418	(((
90.1	419	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	420	)))
90.1	421
	422
100.3	423
87.2	424	== 3.2 Features ==
73.1	425
	426	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	427	* Ultra-long RF range
	428	* Support LoRaWAN v1.0.4 protocol
	429	* Support peer-to-peer protocol
	430	* TCXO crystal to ensure RF performance on low temperature
	431	* Spring RF antenna
	432	* Available in different frequency LoRaWAN frequency bands.
	433	* World-wide unique OTAA keys.
	434	* AT Command via UART-TTL interface
	435	* Firmware upgradable via UART interface
93.3	436	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	437
87.3	438	== 3.3 Specification ==
73.1	439
	440	* CPU: 32-bit 48 MHz
	441	* Flash: 256KB
	442	* RAM: 64KB
	443	* Input Power Range: 5v
	444	* Frequency Range: 150 MHz ~~ 960 MHz
	445	* Maximum Power +22 dBm constant RF output
	446	* High sensitivity: -148 dBm
	447	* Temperature:
	448	** Storage: -55 ~~ +125℃
	449	** Operating: -40 ~~ +85℃
	450	* Humidity:
	451	** Storage: 5 ~~ 95% (Non-Condensing)
	452	** Operating: 10 ~~ 95% (Non-Condensing)
	453	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	454	* LoRa Rx current: <9 mA
	455
87.3	456	== 3.4 Pin Mapping & LED ==
7.1	457
	458
87.3	459
	460	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	461
	462
100.5	463	(((
78.2	464	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	465	)))
58.1	466
	467
87.3	468	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	469
	470
106.1	471	[[image:image-20220723100027-1.png]]
78.2	472
87.3	473
58.1	474	Open the serial port tool
	475
	476	[[image:image-20220602161617-8.png]]
	477
78.2	478	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	479
	480
	481
87.3	482	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	483
78.2	484	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	485
87.3	486
78.2	487	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	488
78.2	489
	490
87.3	491	(% style="color:blue" %)3. See Uplink Command
78.2	492
87.3	493	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	494
58.1	495	example: AT+SENDB=01,02,8,05820802581ea0a5
	496
78.2	497	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	498
	499
	500
87.3	501	(% style="color:blue" %)4. Check to see if TTN received the message
	502
78.2	503	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	504
	505
	506
87.3	507	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	508
87.3	509
87.1	510	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]]
81.1	511
106.1	512	(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]])
81.1	513
87.3	514	(% style="color:red" %)Preconditions:
81.1	515
87.3	516	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	517
87.3	518	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	519
	520
	521
87.3	522	(% style="color:blue" %)Steps for usage:
	523
	524	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	525
	526	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	527
81.1	528	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	529
	530
	531
87.4	532	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	533
87.4	534
79.1	535	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	536
79.1	537
87.5	538	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	539
106.1	540	[[image:image-20220723100439-2.png]]
43.1	541
52.1	542
	543
87.4	544	(% style="color:blue" %)2. Install Minicom in RPi.
	545
79.1	546	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	547
87.4	548	(% style="background-color:yellow" %)apt update
52.1	549
87.4	550	(% style="background-color:yellow" %)apt install minicom
52.1	551
	552
79.1	553	Use minicom to connect to the RPI's terminal
52.1	554
79.1	555	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	556
	557
87.4	558
87.11	559	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	560
87.11	561	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	562
	563
79.1	564	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	565
	566
	567
87.4	568	(% style="color:blue" %)4. Send Uplink message
46.1	569
87.5	570	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	571
79.1	572	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	573
87.4	574
79.1	575	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	576
87.4	577
	578
79.1	579	Check to see if TTN received the message
	580
	581	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	582
	583
	584
134.1	585	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	586
134.2	587
106.1	588	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	589
134.2	590
106.1	591	[[image:image-20220723102027-3.png]]
63.1	592
106.1	593
134.2	594
	595	==== (% style="color:blue" %)Overview：(%%) ====
	596
	597
134.9	598	(((
134.1	599	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.
134.9	600	)))
106.1	601
134.9	602	(((
111.1	603	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
134.9	604	)))
111.1	605
106.1	606
134.2	607
	608	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	609
	610
106.1	611	Requires a type-c to USB adapter
	612
	613	[[image:image-20220723104754-4.png]]
	614
	615
134.2	616
	617	==== (% style="color:blue" %)Use of APP:(%%) ====
	618
	619
110.1	620	Function and page introduction
	621
	622	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	623
134.9	624
110.1	625	1.Display LA66 USB LoRaWAN Module connection status
	626
	627	2.Check and reconnect
	628
	629	3.Turn send timestamps on or off
	630
	631	4.Display LoRaWan connection status
	632
	633	5.Check LoRaWan connection status
	634
	635	6.The RSSI value of the node when the ACK is received
	636
	637	7.Node's Signal Strength Icon
	638
	639	8.Set the packet sending interval of the node in seconds
	640
	641	9.AT command input box
	642
	643	10.Send AT command button
	644
	645	11.Node log box
	646
	647	12.clear log button
	648
	649	13.exit button
	650
134.2	651
106.1	652	LA66 USB LoRaWAN Module not connected
	653
110.1	654	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	655
134.2	656
	657
110.1	658	Connect LA66 USB LoRaWAN Module
106.1	659
110.1	660	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	661
134.2	662
	663
134.8	664	=== 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 ===
111.1	665
	666
134.8	667	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	668
113.1	669	[[image:image-20220723134549-8.png]]
	670
	671
134.2	672
134.8	673	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	674
117.1	675	Sample JSON file please go to this link to download：放置JSON文件的链接
	676
115.1	677	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/]]
113.1	678
117.1	679	The following is the positioning effect map
	680
	681	[[image:image-20220723144339-1.png]]
	682
134.2	683
	684
87.4	685	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	686
134.2	687
134.1	688	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	689
119.1	690	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)
73.1	691
119.1	692	[[image:image-20220723150132-2.png]]
73.1	693
119.1	694
134.2	695
87.4	696	= 4. Order Info =
73.1	697
87.4	698
87.5	699	Part Number: (% style="color:blue" %)LA66-XXX(%%), (% style="color:blue" %)LA66-LoRaWAN-Shield-XXX (%%) or (% style="color:blue" %)LA66-USB-LoRaWAN-Adapter-XXX
87.4	700
	701
87.5	702	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	703
87.5	704	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	705	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	706	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	707	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	708	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	709	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	710	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	711	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	712	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	713
134.8	714
	715
87.4	716	= 5. Reference =
	717
134.2	718
78.1	719	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

Wiki source code of LA66 LoRaWAN Module

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