Wiki source code of LA66 LoRaWAN Module

Version 134.7 by Xiaoling on 2022/07/26 10:44

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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	22	)))
	23
	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
134.4	65
87.2	66	== 1.3 Specification ==
	67
68.1	68	* CPU: 32-bit 48 MHz
	69	* Flash: 256KB
	70	* RAM: 64KB
66.1	71	* Input Power Range: 1.8v ~~ 3.7v
	72	* Power Consumption: < 4uA.
	73	* Frequency Range: 150 MHz ~~ 960 MHz
	74	* Maximum Power +22 dBm constant RF output
	75	* High sensitivity: -148 dBm
	76	* Temperature:
	77	** Storage: -55 ~~ +125℃
	78	** Operating: -40 ~~ +85℃
	79	* Humidity:
	80	** Storage: 5 ~~ 95% (Non-Condensing)
	81	** Operating: 10 ~~ 95% (Non-Condensing)
	82	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	83	* LoRa Rx current: <9 mA
	84	* I/O Voltage: 3.3v
1.1	85
134.4	86
87.2	87	== 1.4 AT Command ==
	88
98.2	89
66.1	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.
1.1	91
3.1	92
98.4	93
87.2	94	== 1.5 Dimension ==
3.1	95
98.2	96	[[image:image-20220718094750-3.png]]
3.1	97
	98
5.1	99
87.2	100	== 1.6 Pin Mapping ==
	101
101.2	102	[[image:image-20220720111850-1.png]]
87.2	103
5.1	104
	105
87.2	106	== 1.7 Land Pattern ==
	107
5.1	108	[[image:image-20220517072821-2.png]]
	109
	110
	111
87.2	112	= 2. LA66 LoRaWAN Shield =
6.1	113
	114
87.2	115	== 2.1 Overview ==
	116
90.1	117
100.2	118	(((
	119	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	120	)))
90.1	121
100.2	122	(((
	123
	124	)))
	125
	126	(((
100.4	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.
100.2	128	)))
71.1	129
90.1	130	(((
100.2	131	(((
101.4	132	(% 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	133	)))
100.2	134	)))
71.1	135
90.1	136	(((
100.2	137	(((
90.1	138	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	139	)))
100.2	140	)))
90.1	141
	142	(((
100.2	143	(((
90.1	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	)))
100.2	146	)))
90.1	147
	148	(((
100.2	149	(((
90.1	150	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	151	)))
100.2	152	)))
90.1	153
	154
100.2	155
87.2	156	== 2.2 Features ==
71.1	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
	168
134.5	169
87.2	170	== 2.3 Specification ==
	171
71.1	172	* CPU: 32-bit 48 MHz
	173	* Flash: 256KB
	174	* RAM: 64KB
	175	* Input Power Range: 1.8v ~~ 3.7v
	176	* Power Consumption: < 4uA.
	177	* Frequency Range: 150 MHz ~~ 960 MHz
	178	* Maximum Power +22 dBm constant RF output
	179	* High sensitivity: -148 dBm
	180	* Temperature:
	181	** Storage: -55 ~~ +125℃
	182	** Operating: -40 ~~ +85℃
	183	* Humidity:
	184	** Storage: 5 ~~ 95% (Non-Condensing)
	185	** Operating: 10 ~~ 95% (Non-Condensing)
	186	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	187	* LoRa Rx current: <9 mA
	188	* I/O Voltage: 3.3v
	189
134.5	190
125.1	191	== 2.4 LED ==
11.1	192
134.5	193
125.1	194	~1. The LED lights up red when there is an upstream data packet
	195	2. When the network is successfully connected, the green light will be on for 5 seconds
	196	3. Purple light on when receiving downlink data packets
11.1	197
	198
134.5	199
87.2	200	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	201
	202
134.3	203	Show connection diagram：
	204
	205
125.1	206	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	207
125.1	208
134.3	209
134.6	210	(% style="color:blue" %)1. open Arduino IDE
134.3	211
	212
125.1	213	[[image:image-20220723170545-4.png]]
	214
	215
134.3	216
134.6	217	(% style="color:blue" %)2. Open project
134.3	218
	219
134.7	220	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	221
125.1	222
	223
134.6	224	(% 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	225
	226
125.1	227
134.6	228	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	229
134.3	230
131.1	231	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	232
134.3	233
	234
87.2	235	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	236
	237
134.6	238	(% style="color:blue" %)1. Open project
134.3	239
	240
134.7	241	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	242
134.7	243
131.1	244	[[image:image-20220723172502-8.png]]
87.2	245
131.1	246
134.3	247
134.6	248	(% 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	249
	250
131.1	251	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	252
	253
134.2	254
133.1	255	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	256
	257
134.6	258	(% style="color:blue" %)1. Open project
134.2	259
	260
134.7	261	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	262
	263
131.1	264	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	265
131.1	266
134.2	267
134.6	268	(% 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	269
	270
131.1	271	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	272
	273
134.2	274
134.6	275	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	276
133.1	277	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/]]
	278
	279	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	280
134.2	281
	282
87.2	283	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	284
	285
	286	=== 2.8.1 Items needed for update ===
	287
134.2	288
74.1	289	1. LA66 LoRaWAN Shield
	290	1. Arduino
	291	1. USB TO TTL Adapter
13.1	292
75.1	293	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	294
	295
87.2	296	=== 2.8.2 Connection ===
20.1	297
87.2	298
75.1	299	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	300
	301
87.17	302	(((
87.2	303	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	304	)))
87.2	305
87.16	306	(((
87.2	307	(% style="background-color:yellow" %)**GND <-> GND
87.8	308	TXD <-> TXD
	309	RXD <-> RXD**
87.16	310	)))
87.2	311
	312
77.1	313	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	314
75.1	315	Connect USB TTL Adapter to PC after connecting the wires
20.1	316
	317
75.1	318	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	319
	320
87.2	321	=== 2.8.3 Upgrade steps ===
20.1	322
	323
134.2	324	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	325
	326
75.1	327	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	328
	329
87.9	330
134.2	331	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	332
87.10	333
75.1	334	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	335
75.1	336
87.9	337
134.2	338	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	339
39.1	340
87.18	341	(((
87.2	342	(% 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	343	)))
87.2	344
	345
32.1	346	[[image:image-20220602103227-6.png]]
	347
87.2	348
32.1	349	[[image:image-20220602103357-7.png]]
	350
	351
87.2	352
76.1	353	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	354	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	355
87.2	356
32.1	357	[[image:image-20220602103844-8.png]]
	358
	359
87.2	360
76.1	361	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	362	(% style="color:blue" %)3. Select the bin file to burn
76.1	363
87.2	364
32.1	365	[[image:image-20220602104144-9.png]]
	366
87.2	367
32.1	368	[[image:image-20220602104251-10.png]]
	369
87.2	370
32.1	371	[[image:image-20220602104402-11.png]]
	372
	373
87.2	374
76.1	375	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	376	(% style="color:blue" %)4. Click to start the download
76.1	377
32.1	378	[[image:image-20220602104923-13.png]]
	379
	380
87.10	381
76.1	382	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	383	(% style="color:blue" %)5. Check update process
76.1	384
87.2	385
32.1	386	[[image:image-20220602104948-14.png]]
	387
	388
87.2	389
76.1	390	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	391	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	392
32.1	393	[[image:image-20220602105251-15.png]]
	394
72.1	395
	396
87.2	397	= 3. LA66 USB LoRaWAN Adapter =
6.1	398
7.1	399
87.2	400	== 3.1 Overview ==
	401
100.3	402
93.1	403	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	404
100.3	405
100.5	406	(((
91.1	407	(% 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	408	)))
52.1	409
100.5	410	(((
101.4	411	(% 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	412	)))
73.1	413
100.5	414	(((
90.1	415	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	416	)))
90.1	417
100.5	418	(((
90.1	419	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	420	)))
90.1	421
100.5	422	(((
90.1	423	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	424	)))
90.1	425
	426
100.3	427
87.2	428	== 3.2 Features ==
73.1	429
	430	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	431	* Ultra-long RF range
	432	* Support LoRaWAN v1.0.4 protocol
	433	* Support peer-to-peer protocol
	434	* TCXO crystal to ensure RF performance on low temperature
	435	* Spring RF antenna
	436	* Available in different frequency LoRaWAN frequency bands.
	437	* World-wide unique OTAA keys.
	438	* AT Command via UART-TTL interface
	439	* Firmware upgradable via UART interface
93.3	440	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	441
87.3	442	== 3.3 Specification ==
73.1	443
	444	* CPU: 32-bit 48 MHz
	445	* Flash: 256KB
	446	* RAM: 64KB
	447	* Input Power Range: 5v
	448	* Frequency Range: 150 MHz ~~ 960 MHz
	449	* Maximum Power +22 dBm constant RF output
	450	* High sensitivity: -148 dBm
	451	* Temperature:
	452	** Storage: -55 ~~ +125℃
	453	** Operating: -40 ~~ +85℃
	454	* Humidity:
	455	** Storage: 5 ~~ 95% (Non-Condensing)
	456	** Operating: 10 ~~ 95% (Non-Condensing)
	457	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	458	* LoRa Rx current: <9 mA
	459
87.3	460	== 3.4 Pin Mapping & LED ==
7.1	461
	462
87.3	463
	464	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	465
	466
100.5	467	(((
78.2	468	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	469	)))
58.1	470
	471
87.3	472	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	473
	474
106.1	475	[[image:image-20220723100027-1.png]]
78.2	476
87.3	477
58.1	478	Open the serial port tool
	479
	480	[[image:image-20220602161617-8.png]]
	481
78.2	482	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	483
	484
	485
87.3	486	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	487
78.2	488	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	489
87.3	490
78.2	491	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	492
78.2	493
	494
87.3	495	(% style="color:blue" %)3. See Uplink Command
78.2	496
87.3	497	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	498
58.1	499	example: AT+SENDB=01,02,8,05820802581ea0a5
	500
78.2	501	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	502
	503
	504
87.3	505	(% style="color:blue" %)4. Check to see if TTN received the message
	506
78.2	507	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	508
	509
	510
87.3	511	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	512
87.3	513
87.1	514	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	515
106.1	516	(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	517
87.3	518	(% style="color:red" %)Preconditions:
81.1	519
87.3	520	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	521
87.3	522	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	523
	524
	525
87.3	526	(% style="color:blue" %)Steps for usage:
	527
	528	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	529
	530	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	531
81.1	532	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	533
	534
	535
87.4	536	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	537
87.4	538
79.1	539	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	540
79.1	541
87.5	542	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	543
106.1	544	[[image:image-20220723100439-2.png]]
43.1	545
52.1	546
	547
87.4	548	(% style="color:blue" %)2. Install Minicom in RPi.
	549
79.1	550	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	551
87.4	552	(% style="background-color:yellow" %)apt update
52.1	553
87.4	554	(% style="background-color:yellow" %)apt install minicom
52.1	555
	556
79.1	557	Use minicom to connect to the RPI's terminal
52.1	558
79.1	559	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	560
	561
87.4	562
87.11	563	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	564
87.11	565	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	566
	567
79.1	568	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	569
	570
	571
87.4	572	(% style="color:blue" %)4. Send Uplink message
46.1	573
87.5	574	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	575
79.1	576	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	577
87.4	578
79.1	579	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	580
87.4	581
	582
79.1	583	Check to see if TTN received the message
	584
	585	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	586
	587
	588
134.1	589	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	590
134.2	591
106.1	592	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	593
134.2	594
106.1	595	[[image:image-20220723102027-3.png]]
63.1	596
106.1	597
134.2	598
	599	==== (% style="color:blue" %)Overview：(%%) ====
	600
	601
134.1	602	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.
106.1	603
111.1	604	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	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
	624	1.Display LA66 USB LoRaWAN Module connection status
	625
	626	2.Check and reconnect
	627
	628	3.Turn send timestamps on or off
	629
	630	4.Display LoRaWan connection status
	631
	632	5.Check LoRaWan connection status
	633
	634	6.The RSSI value of the node when the ACK is received
	635
	636	7.Node's Signal Strength Icon
	637
	638	8.Set the packet sending interval of the node in seconds
	639
	640	9.AT command input box
	641
	642	10.Send AT command button
	643
	644	11.Node log box
	645
	646	12.clear log button
	647
	648	13.exit button
	649
134.2	650
106.1	651	LA66 USB LoRaWAN Module not connected
	652
110.1	653	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	654
134.2	655
	656
110.1	657	Connect LA66 USB LoRaWAN Module
106.1	658
110.1	659	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	660
134.2	661
	662
134.1	663	=== 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	664
	665
134.2	666	1. Register LA66 USB LoRaWAN Module to TTNV3
	667
113.1	668	[[image:image-20220723134549-8.png]]
	669
	670
134.2	671
	672	2. Open Node-RED,And import the JSON file to generate the flow
	673
117.1	674	Sample JSON file please go to this link to download：放置JSON文件的链接
	675
115.1	676	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	677
117.1	678	The following is the positioning effect map
	679
	680	[[image:image-20220723144339-1.png]]
	681
134.2	682
	683
87.4	684	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	685
134.2	686
134.1	687	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	688
119.1	689	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	690
119.1	691	[[image:image-20220723150132-2.png]]
73.1	692
119.1	693
134.2	694
87.4	695	= 4. Order Info =
73.1	696
87.4	697
87.5	698	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	699
	700
87.5	701	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	702
87.5	703	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	704	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	705	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	706	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	707	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	708	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	709	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	710	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	711	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	712
87.4	713	= 5. Reference =
	714
134.2	715
78.1	716	* 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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