Wiki source code of LA66 LoRaWAN Module

Version 134.12 by Xiaoling on 2022/07/26 10:50

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	)))
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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
134.11	65
	66
	67
87.2	68	== 1.3 Specification ==
	69
68.1	70	* CPU: 32-bit 48 MHz
	71	* Flash: 256KB
	72	* RAM: 64KB
66.1	73	* Input Power Range: 1.8v ~~ 3.7v
	74	* Power Consumption: < 4uA.
	75	* Frequency Range: 150 MHz ~~ 960 MHz
	76	* Maximum Power +22 dBm constant RF output
	77	* High sensitivity: -148 dBm
	78	* Temperature:
	79	** Storage: -55 ~~ +125℃
	80	** Operating: -40 ~~ +85℃
	81	* Humidity:
	82	** Storage: 5 ~~ 95% (Non-Condensing)
	83	** Operating: 10 ~~ 95% (Non-Condensing)
	84	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	85	* LoRa Rx current: <9 mA
	86	* I/O Voltage: 3.3v
1.1	87
134.11	88
	89
	90
87.2	91	== 1.4 AT Command ==
	92
98.2	93
66.1	94	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	95
3.1	96
98.4	97
87.2	98	== 1.5 Dimension ==
3.1	99
98.2	100	[[image:image-20220718094750-3.png]]
3.1	101
	102
5.1	103
87.2	104	== 1.6 Pin Mapping ==
	105
101.2	106	[[image:image-20220720111850-1.png]]
87.2	107
5.1	108
	109
87.2	110	== 1.7 Land Pattern ==
	111
5.1	112	[[image:image-20220517072821-2.png]]
	113
	114
	115
87.2	116	= 2. LA66 LoRaWAN Shield =
6.1	117
	118
87.2	119	== 2.1 Overview ==
	120
90.1	121
100.2	122	(((
	123	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	124	)))
90.1	125
100.2	126	(((
	127
	128	)))
	129
	130	(((
100.4	131	(% 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	132	)))
71.1	133
90.1	134	(((
100.2	135	(((
101.4	136	(% 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	137	)))
100.2	138	)))
71.1	139
90.1	140	(((
100.2	141	(((
90.1	142	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	143	)))
100.2	144	)))
90.1	145
	146	(((
100.2	147	(((
90.1	148	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.
	149	)))
100.2	150	)))
90.1	151
	152	(((
100.2	153	(((
90.1	154	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	155	)))
100.2	156	)))
90.1	157
	158
100.2	159
87.2	160	== 2.2 Features ==
71.1	161
	162	* Arduino Shield base on LA66 LoRaWAN module
	163	* Support LoRaWAN v1.0.4 protocol
	164	* Support peer-to-peer protocol
	165	* TCXO crystal to ensure RF performance on low temperature
	166	* SMA connector
	167	* Available in different frequency LoRaWAN frequency bands.
	168	* World-wide unique OTAA keys.
	169	* AT Command via UART-TTL interface
	170	* Firmware upgradable via UART interface
	171	* Ultra-long RF range
	172
134.11	173
	174
	175
87.2	176	== 2.3 Specification ==
	177
71.1	178	* CPU: 32-bit 48 MHz
	179	* Flash: 256KB
	180	* RAM: 64KB
	181	* Input Power Range: 1.8v ~~ 3.7v
	182	* Power Consumption: < 4uA.
	183	* Frequency Range: 150 MHz ~~ 960 MHz
	184	* Maximum Power +22 dBm constant RF output
	185	* High sensitivity: -148 dBm
	186	* Temperature:
	187	** Storage: -55 ~~ +125℃
	188	** Operating: -40 ~~ +85℃
	189	* Humidity:
	190	** Storage: 5 ~~ 95% (Non-Condensing)
	191	** Operating: 10 ~~ 95% (Non-Condensing)
	192	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	193	* LoRa Rx current: <9 mA
	194	* I/O Voltage: 3.3v
	195
134.11	196
	197
	198
125.1	199	== 2.4 LED ==
11.1	200
134.5	201
125.1	202	~1. The LED lights up red when there is an upstream data packet
	203	2. When the network is successfully connected, the green light will be on for 5 seconds
	204	3. Purple light on when receiving downlink data packets
11.1	205
	206
134.5	207
87.2	208	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	209
	210
134.3	211	Show connection diagram：
	212
	213
125.1	214	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	215
125.1	216
134.3	217
134.6	218	(% style="color:blue" %)1. open Arduino IDE
134.3	219
	220
125.1	221	[[image:image-20220723170545-4.png]]
	222
	223
134.3	224
134.6	225	(% style="color:blue" %)2. Open project
134.3	226
	227
134.7	228	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	229
125.1	230
	231
134.6	232	(% 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	233
	234
125.1	235
134.6	236	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	237
134.3	238
131.1	239	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	240
134.3	241
	242
87.2	243	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	244
	245
134.6	246	(% style="color:blue" %)1. Open project
134.3	247
	248
134.7	249	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	250
134.7	251
131.1	252	[[image:image-20220723172502-8.png]]
87.2	253
131.1	254
134.3	255
134.6	256	(% 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	257
	258
131.1	259	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	260
	261
134.2	262
133.1	263	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	264
	265
134.6	266	(% style="color:blue" %)1. Open project
134.2	267
	268
134.7	269	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	270
	271
131.1	272	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	273
131.1	274
134.2	275
134.6	276	(% 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	277
	278
131.1	279	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	280
	281
134.2	282
134.6	283	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	284
133.1	285	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/]]
	286
	287	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	288
134.2	289
	290
87.2	291	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	292
	293
	294	=== 2.8.1 Items needed for update ===
	295
134.2	296
74.1	297	1. LA66 LoRaWAN Shield
	298	1. Arduino
	299	1. USB TO TTL Adapter
13.1	300
75.1	301	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	302
	303
87.2	304	=== 2.8.2 Connection ===
20.1	305
87.2	306
75.1	307	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	308
	309
87.17	310	(((
87.2	311	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	312	)))
87.2	313
87.16	314	(((
87.2	315	(% style="background-color:yellow" %)**GND <-> GND
87.8	316	TXD <-> TXD
	317	RXD <-> RXD**
87.16	318	)))
87.2	319
	320
77.1	321	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	322
75.1	323	Connect USB TTL Adapter to PC after connecting the wires
20.1	324
	325
75.1	326	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	327
	328
87.2	329	=== 2.8.3 Upgrade steps ===
20.1	330
	331
134.2	332	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	333
	334
75.1	335	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	336
	337
87.9	338
134.2	339	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	340
87.10	341
75.1	342	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	343
75.1	344
87.9	345
134.2	346	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	347
39.1	348
87.18	349	(((
87.2	350	(% 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	351	)))
87.2	352
	353
32.1	354	[[image:image-20220602103227-6.png]]
	355
87.2	356
32.1	357	[[image:image-20220602103357-7.png]]
	358
	359
87.2	360
76.1	361	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	362	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	363
87.2	364
32.1	365	[[image:image-20220602103844-8.png]]
	366
	367
87.2	368
76.1	369	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	370	(% style="color:blue" %)3. Select the bin file to burn
76.1	371
87.2	372
32.1	373	[[image:image-20220602104144-9.png]]
	374
87.2	375
32.1	376	[[image:image-20220602104251-10.png]]
	377
87.2	378
32.1	379	[[image:image-20220602104402-11.png]]
	380
	381
87.2	382
76.1	383	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	384	(% style="color:blue" %)4. Click to start the download
76.1	385
32.1	386	[[image:image-20220602104923-13.png]]
	387
	388
87.10	389
76.1	390	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	391	(% style="color:blue" %)5. Check update process
76.1	392
87.2	393
32.1	394	[[image:image-20220602104948-14.png]]
	395
	396
87.2	397
76.1	398	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	399	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	400
32.1	401	[[image:image-20220602105251-15.png]]
	402
72.1	403
	404
87.2	405	= 3. LA66 USB LoRaWAN Adapter =
6.1	406
7.1	407
87.2	408	== 3.1 Overview ==
	409
100.3	410
93.1	411	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	412
100.3	413
100.5	414	(((
91.1	415	(% 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	416	)))
52.1	417
100.5	418	(((
101.4	419	(% 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	420	)))
73.1	421
100.5	422	(((
90.1	423	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	424	)))
90.1	425
100.5	426	(((
90.1	427	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	428	)))
90.1	429
100.5	430	(((
90.1	431	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	432	)))
90.1	433
	434
100.3	435
87.2	436	== 3.2 Features ==
73.1	437
	438	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	439	* Ultra-long RF range
	440	* Support LoRaWAN v1.0.4 protocol
	441	* Support peer-to-peer protocol
	442	* TCXO crystal to ensure RF performance on low temperature
	443	* Spring RF antenna
	444	* Available in different frequency LoRaWAN frequency bands.
	445	* World-wide unique OTAA keys.
	446	* AT Command via UART-TTL interface
	447	* Firmware upgradable via UART interface
93.3	448	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	449
134.10	450
87.3	451	== 3.3 Specification ==
73.1	452
	453	* CPU: 32-bit 48 MHz
	454	* Flash: 256KB
	455	* RAM: 64KB
	456	* Input Power Range: 5v
	457	* Frequency Range: 150 MHz ~~ 960 MHz
	458	* Maximum Power +22 dBm constant RF output
	459	* High sensitivity: -148 dBm
	460	* Temperature:
	461	** Storage: -55 ~~ +125℃
	462	** Operating: -40 ~~ +85℃
	463	* Humidity:
	464	** Storage: 5 ~~ 95% (Non-Condensing)
	465	** Operating: 10 ~~ 95% (Non-Condensing)
	466	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	467	* LoRa Rx current: <9 mA
	468
134.10	469
87.3	470	== 3.4 Pin Mapping & LED ==
7.1	471
	472
87.3	473
	474	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	475
	476
100.5	477	(((
78.2	478	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	479	)))
58.1	480
	481
87.3	482	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	483
	484
106.1	485	[[image:image-20220723100027-1.png]]
78.2	486
87.3	487
58.1	488	Open the serial port tool
	489
	490	[[image:image-20220602161617-8.png]]
	491
78.2	492	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	493
	494
	495
87.3	496	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	497
78.2	498	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	499
87.3	500
78.2	501	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	502
78.2	503
	504
87.3	505	(% style="color:blue" %)3. See Uplink Command
78.2	506
87.3	507	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	508
58.1	509	example: AT+SENDB=01,02,8,05820802581ea0a5
	510
78.2	511	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	512
	513
	514
87.3	515	(% style="color:blue" %)4. Check to see if TTN received the message
	516
78.2	517	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	518
	519
	520
87.3	521	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	522
87.3	523
87.1	524	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	525
106.1	526	(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	527
87.3	528	(% style="color:red" %)Preconditions:
81.1	529
87.3	530	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	531
87.3	532	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	533
	534
	535
87.3	536	(% style="color:blue" %)Steps for usage:
	537
	538	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	539
	540	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	541
81.1	542	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	543
	544
	545
87.4	546	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	547
87.4	548
79.1	549	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	550
79.1	551
87.5	552	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	553
106.1	554	[[image:image-20220723100439-2.png]]
43.1	555
52.1	556
	557
87.4	558	(% style="color:blue" %)2. Install Minicom in RPi.
	559
79.1	560	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	561
87.4	562	(% style="background-color:yellow" %)apt update
52.1	563
87.4	564	(% style="background-color:yellow" %)apt install minicom
52.1	565
	566
79.1	567	Use minicom to connect to the RPI's terminal
52.1	568
79.1	569	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	570
	571
87.4	572
87.11	573	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	574
87.11	575	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	576
	577
79.1	578	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	579
	580
	581
87.4	582	(% style="color:blue" %)4. Send Uplink message
46.1	583
87.5	584	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	585
79.1	586	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	587
87.4	588
79.1	589	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	590
87.4	591
	592
79.1	593	Check to see if TTN received the message
	594
	595	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	596
	597
	598
134.1	599	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	600
134.2	601
134.10	602	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	603
134.2	604
106.1	605	[[image:image-20220723102027-3.png]]
63.1	606
106.1	607
134.2	608
	609	==== (% style="color:blue" %)Overview：(%%) ====
	610
	611
134.9	612	(((
134.1	613	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	614	)))
106.1	615
134.9	616	(((
111.1	617	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	618	)))
111.1	619
106.1	620
134.2	621
	622	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	623
	624
106.1	625	Requires a type-c to USB adapter
	626
	627	[[image:image-20220723104754-4.png]]
	628
	629
134.2	630
	631	==== (% style="color:blue" %)Use of APP:(%%) ====
	632
	633
110.1	634	Function and page introduction
	635
	636	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	637
134.9	638
110.1	639	1.Display LA66 USB LoRaWAN Module connection status
	640
	641	2.Check and reconnect
	642
	643	3.Turn send timestamps on or off
	644
	645	4.Display LoRaWan connection status
	646
	647	5.Check LoRaWan connection status
	648
	649	6.The RSSI value of the node when the ACK is received
	650
	651	7.Node's Signal Strength Icon
	652
	653	8.Set the packet sending interval of the node in seconds
	654
	655	9.AT command input box
	656
	657	10.Send AT command button
	658
	659	11.Node log box
	660
	661	12.clear log button
	662
	663	13.exit button
	664
134.2	665
106.1	666	LA66 USB LoRaWAN Module not connected
	667
110.1	668	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	669
134.2	670
	671
110.1	672	Connect LA66 USB LoRaWAN Module
106.1	673
110.1	674	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	675
134.2	676
	677
134.8	678	=== 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	679
	680
134.8	681	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	682
113.1	683	[[image:image-20220723134549-8.png]]
	684
	685
134.2	686
134.8	687	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	688
117.1	689	Sample JSON file please go to this link to download：放置JSON文件的链接
	690
115.1	691	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	692
117.1	693	The following is the positioning effect map
	694
	695	[[image:image-20220723144339-1.png]]
	696
134.2	697
	698
87.4	699	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	700
134.2	701
134.1	702	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	703
119.1	704	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	705
119.1	706	[[image:image-20220723150132-2.png]]
73.1	707
119.1	708
134.2	709
87.4	710	= 4. Order Info =
73.1	711
87.4	712
87.5	713	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	714
	715
87.5	716	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	717
87.5	718	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	719	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	720	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	721	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	722	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	723	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	724	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	725	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	726	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	727
134.8	728
134.12	729
	730
	731
87.4	732	= 5. Reference =
	733
134.2	734
78.1	735	* 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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