Wiki source code of LA66 LoRaWAN Module

Version 137.4 by Xiaoling on 2022/07/29 09:17

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	(((
	21
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	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
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
137.1	218	[[image:image-20220726135239-1.png]]
125.1	219
	220
134.6	221	(% 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	222
137.1	223	[[image:image-20220726135356-2.png]]
134.3	224
125.1	225
134.6	226	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	227
134.3	228
131.1	229	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	230
134.3	231
	232
87.2	233	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	234
	235
134.6	236	(% style="color:blue" %)1. Open project
134.3	237
	238
134.7	239	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	240
134.7	241
131.1	242	[[image:image-20220723172502-8.png]]
87.2	243
131.1	244
134.3	245
134.6	246	(% 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	247
	248
131.1	249	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	250
	251
134.2	252
133.1	253	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	254
	255
134.6	256	(% style="color:blue" %)1. Open project
134.2	257
	258
134.7	259	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	260
	261
131.1	262	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	263
131.1	264
134.2	265
134.6	266	(% 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	267
	268
131.1	269	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	270
	271
134.2	272
134.6	273	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	274
133.1	275	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/]]
	276
	277	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	278
134.2	279
	280
87.2	281	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	282
	283
	284	=== 2.8.1 Items needed for update ===
	285
134.2	286
74.1	287	1. LA66 LoRaWAN Shield
	288	1. Arduino
	289	1. USB TO TTL Adapter
13.1	290
75.1	291	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	292
	293
87.2	294	=== 2.8.2 Connection ===
20.1	295
87.2	296
75.1	297	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	298
	299
87.17	300	(((
87.2	301	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	302	)))
87.2	303
87.16	304	(((
87.2	305	(% style="background-color:yellow" %)**GND <-> GND
87.8	306	TXD <-> TXD
	307	RXD <-> RXD**
87.16	308	)))
87.2	309
	310
77.1	311	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	312
75.1	313	Connect USB TTL Adapter to PC after connecting the wires
20.1	314
	315
75.1	316	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	317
	318
87.2	319	=== 2.8.3 Upgrade steps ===
20.1	320
	321
134.2	322	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	323
	324
75.1	325	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	326
	327
87.9	328
134.2	329	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	330
87.10	331
75.1	332	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	333
75.1	334
87.9	335
134.2	336	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	337
39.1	338
87.18	339	(((
87.2	340	(% 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	341	)))
87.2	342
	343
32.1	344	[[image:image-20220602103227-6.png]]
	345
87.2	346
32.1	347	[[image:image-20220602103357-7.png]]
	348
	349
87.2	350
76.1	351	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	352	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	353
87.2	354
32.1	355	[[image:image-20220602103844-8.png]]
	356
	357
87.2	358
76.1	359	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	360	(% style="color:blue" %)3. Select the bin file to burn
76.1	361
87.2	362
32.1	363	[[image:image-20220602104144-9.png]]
	364
87.2	365
32.1	366	[[image:image-20220602104251-10.png]]
	367
87.2	368
32.1	369	[[image:image-20220602104402-11.png]]
	370
	371
87.2	372
76.1	373	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	374	(% style="color:blue" %)4. Click to start the download
76.1	375
32.1	376	[[image:image-20220602104923-13.png]]
	377
	378
87.10	379
76.1	380	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	381	(% style="color:blue" %)5. Check update process
76.1	382
87.2	383
32.1	384	[[image:image-20220602104948-14.png]]
	385
	386
87.2	387
76.1	388	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	389	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	390
32.1	391	[[image:image-20220602105251-15.png]]
	392
72.1	393
	394
87.2	395	= 3. LA66 USB LoRaWAN Adapter =
6.1	396
7.1	397
87.2	398	== 3.1 Overview ==
	399
100.3	400
93.1	401	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	402
100.3	403
100.5	404	(((
91.1	405	(% 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	406	)))
52.1	407
100.5	408	(((
101.4	409	(% 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	410	)))
73.1	411
100.5	412	(((
90.1	413	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	414	)))
90.1	415
100.5	416	(((
90.1	417	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	418	)))
90.1	419
100.5	420	(((
90.1	421	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	422	)))
90.1	423
	424
100.3	425
87.2	426	== 3.2 Features ==
73.1	427
	428	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	429	* Ultra-long RF range
	430	* Support LoRaWAN v1.0.4 protocol
	431	* Support peer-to-peer protocol
	432	* TCXO crystal to ensure RF performance on low temperature
	433	* Spring RF antenna
	434	* Available in different frequency LoRaWAN frequency bands.
	435	* World-wide unique OTAA keys.
	436	* AT Command via UART-TTL interface
	437	* Firmware upgradable via UART interface
93.3	438	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	439
87.3	440	== 3.3 Specification ==
73.1	441
	442	* CPU: 32-bit 48 MHz
	443	* Flash: 256KB
	444	* RAM: 64KB
	445	* Input Power Range: 5v
	446	* Frequency Range: 150 MHz ~~ 960 MHz
	447	* Maximum Power +22 dBm constant RF output
	448	* High sensitivity: -148 dBm
	449	* Temperature:
	450	** Storage: -55 ~~ +125℃
	451	** Operating: -40 ~~ +85℃
	452	* Humidity:
	453	** Storage: 5 ~~ 95% (Non-Condensing)
	454	** Operating: 10 ~~ 95% (Non-Condensing)
	455	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	456	* LoRa Rx current: <9 mA
	457
87.3	458	== 3.4 Pin Mapping & LED ==
7.1	459
	460
87.3	461
	462	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	463
	464
100.5	465	(((
78.2	466	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	467	)))
58.1	468
	469
87.3	470	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	471
	472
106.1	473	[[image:image-20220723100027-1.png]]
78.2	474
87.3	475
58.1	476	Open the serial port tool
	477
	478	[[image:image-20220602161617-8.png]]
	479
78.2	480	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	481
	482
	483
87.3	484	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	485
78.2	486	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	487
87.3	488
78.2	489	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	490
78.2	491
	492
87.3	493	(% style="color:blue" %)3. See Uplink Command
78.2	494
87.3	495	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	496
58.1	497	example: AT+SENDB=01,02,8,05820802581ea0a5
	498
78.2	499	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	500
	501
	502
87.3	503	(% style="color:blue" %)4. Check to see if TTN received the message
	504
78.2	505	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	506
	507
	508
87.3	509	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	510
87.3	511
87.1	512	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	513
106.1	514	(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	515
87.3	516	(% style="color:red" %)Preconditions:
81.1	517
87.3	518	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	519
87.3	520	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	521
	522
	523
87.3	524	(% style="color:blue" %)Steps for usage:
	525
	526	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	527
	528	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	529
81.1	530	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	531
	532
	533
87.4	534	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	535
87.4	536
79.1	537	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	538
79.1	539
87.5	540	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	541
106.1	542	[[image:image-20220723100439-2.png]]
43.1	543
52.1	544
	545
87.4	546	(% style="color:blue" %)2. Install Minicom in RPi.
	547
79.1	548	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	549
87.4	550	(% style="background-color:yellow" %)apt update
52.1	551
87.4	552	(% style="background-color:yellow" %)apt install minicom
52.1	553
	554
79.1	555	Use minicom to connect to the RPI's terminal
52.1	556
79.1	557	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	558
	559
87.4	560
87.11	561	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	562
87.11	563	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	564
	565
79.1	566	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	567
	568
	569
87.4	570	(% style="color:blue" %)4. Send Uplink message
46.1	571
87.5	572	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	573
79.1	574	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	575
87.4	576
79.1	577	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	578
87.4	579
	580
79.1	581	Check to see if TTN received the message
	582
	583	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	584
	585
	586
134.1	587	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	588
134.2	589
134.10	590	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	591
134.2	592
106.1	593	[[image:image-20220723102027-3.png]]
63.1	594
106.1	595
134.2	596
	597	==== (% style="color:blue" %)Overview：(%%) ====
	598
	599
134.9	600	(((
134.1	601	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	602	)))
106.1	603
134.9	604	(((
111.1	605	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	606	)))
111.1	607
106.1	608
134.2	609
	610	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	611
	612
106.1	613	Requires a type-c to USB adapter
	614
	615	[[image:image-20220723104754-4.png]]
	616
	617
134.2	618
	619	==== (% style="color:blue" %)Use of APP:(%%) ====
	620
	621
110.1	622	Function and page introduction
	623
	624	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	625
134.9	626
110.1	627	1.Display LA66 USB LoRaWAN Module connection status
	628
	629	2.Check and reconnect
	630
	631	3.Turn send timestamps on or off
	632
	633	4.Display LoRaWan connection status
	634
	635	5.Check LoRaWan connection status
	636
	637	6.The RSSI value of the node when the ACK is received
	638
	639	7.Node's Signal Strength Icon
	640
	641	8.Set the packet sending interval of the node in seconds
	642
	643	9.AT command input box
	644
	645	10.Send AT command button
	646
	647	11.Node log box
	648
	649	12.clear log button
	650
	651	13.exit button
	652
134.2	653
106.1	654	LA66 USB LoRaWAN Module not connected
	655
110.1	656	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	657
134.2	658
	659
110.1	660	Connect LA66 USB LoRaWAN Module
106.1	661
110.1	662	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	663
134.2	664
	665
134.8	666	=== 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	667
	668
134.8	669	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	670
113.1	671	[[image:image-20220723134549-8.png]]
	672
	673
134.2	674
134.8	675	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	676
117.1	677	Sample JSON file please go to this link to download：放置JSON文件的链接
	678
115.1	679	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	680
117.1	681	The following is the positioning effect map
	682
	683	[[image:image-20220723144339-1.png]]
	684
134.2	685
	686
87.4	687	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	688
134.2	689
134.1	690	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	691
119.1	692	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	693
119.1	694	[[image:image-20220723150132-2.png]]
73.1	695
119.1	696
134.2	697
137.2	698	= 4. FAQ =
73.1	699
87.4	700
137.2	701	== 4.1 How to Compile Source Code for LA66? ==
	702
	703
137.3	704	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	705
	706
	707
	708	= 5. Order Info =
	709
	710
87.5	711	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	712
	713
87.5	714	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	715
87.5	716	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	717	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	718	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	719	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	720	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	721	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	722	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	723	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	724	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	725
137.2	726	= 6. Reference =
134.12	727
87.4	728
78.1	729	* 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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