Wiki source code of LA66 LoRaWAN Module

Version 145.1 by Edwin Chen on 2022/08/14 10:15

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
	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
137.6	55
68.1	56	* Support LoRaWAN v1.0.4 protocol
	57	* Support peer-to-peer protocol
	58	* TCXO crystal to ensure RF performance on low temperature
	59	* SMD Antenna pad and i-pex antenna connector
	60	* Available in different frequency LoRaWAN frequency bands.
	61	* World-wide unique OTAA keys.
69.1	62	* AT Command via UART-TTL interface
	63	* Firmware upgradable via UART interface
	64	* Ultra-long RF range
64.1	65
87.2	66	== 1.3 Specification ==
	67
137.6	68
68.1	69	* CPU: 32-bit 48 MHz
	70	* Flash: 256KB
	71	* RAM: 64KB
66.1	72	* Input Power Range: 1.8v ~~ 3.7v
	73	* Power Consumption: < 4uA.
	74	* Frequency Range: 150 MHz ~~ 960 MHz
	75	* Maximum Power +22 dBm constant RF output
	76	* High sensitivity: -148 dBm
	77	* Temperature:
	78	** Storage: -55 ~~ +125℃
	79	** Operating: -40 ~~ +85℃
	80	* Humidity:
	81	** Storage: 5 ~~ 95% (Non-Condensing)
	82	** Operating: 10 ~~ 95% (Non-Condensing)
	83	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	84	* LoRa Rx current: <9 mA
	85	* I/O Voltage: 3.3v
1.1	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
137.6	108
5.1	109	[[image:image-20220517072821-2.png]]
	110
	111
	112
87.2	113	= 2. LA66 LoRaWAN Shield =
6.1	114
	115
87.2	116	== 2.1 Overview ==
	117
90.1	118
100.2	119	(((
	120	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	121	)))
90.1	122
100.2	123	(((
	124
	125	)))
	126
	127	(((
100.4	128	(% 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	129	)))
71.1	130
90.1	131	(((
100.2	132	(((
101.4	133	(% 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	134	)))
100.2	135	)))
71.1	136
90.1	137	(((
100.2	138	(((
90.1	139	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	140	)))
100.2	141	)))
90.1	142
	143	(((
100.2	144	(((
90.1	145	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.
	146	)))
100.2	147	)))
90.1	148
	149	(((
100.2	150	(((
90.1	151	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	152	)))
100.2	153	)))
90.1	154
	155
100.2	156
87.2	157	== 2.2 Features ==
71.1	158
137.6	159
71.1	160	* Arduino Shield base on LA66 LoRaWAN module
	161	* Support LoRaWAN v1.0.4 protocol
	162	* Support peer-to-peer protocol
	163	* TCXO crystal to ensure RF performance on low temperature
	164	* SMA connector
	165	* Available in different frequency LoRaWAN frequency bands.
	166	* World-wide unique OTAA keys.
	167	* AT Command via UART-TTL interface
	168	* Firmware upgradable via UART interface
	169	* Ultra-long RF range
	170
87.2	171	== 2.3 Specification ==
	172
137.6	173
71.1	174	* CPU: 32-bit 48 MHz
	175	* Flash: 256KB
	176	* RAM: 64KB
	177	* Input Power Range: 1.8v ~~ 3.7v
	178	* Power Consumption: < 4uA.
	179	* Frequency Range: 150 MHz ~~ 960 MHz
	180	* Maximum Power +22 dBm constant RF output
	181	* High sensitivity: -148 dBm
	182	* Temperature:
	183	** Storage: -55 ~~ +125℃
	184	** Operating: -40 ~~ +85℃
	185	* Humidity:
	186	** Storage: 5 ~~ 95% (Non-Condensing)
	187	** Operating: 10 ~~ 95% (Non-Condensing)
	188	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	189	* LoRa Rx current: <9 mA
	190	* I/O Voltage: 3.3v
	191
144.1	192	== 2.4 Pin Mapping & LED ==
137.6	193
11.1	194
125.1	195	~1. The LED lights up red when there is an upstream data packet
	196	2. When the network is successfully connected, the green light will be on for 5 seconds
	197	3. Purple light on when receiving downlink data packets
11.1	198
	199
134.5	200
87.2	201	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	202
	203
134.3	204	Show connection diagram：
	205
	206
125.1	207	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	208
125.1	209
134.3	210
134.6	211	(% style="color:blue" %)1. open Arduino IDE
134.3	212
	213
125.1	214	[[image:image-20220723170545-4.png]]
	215
	216
134.3	217
134.6	218	(% style="color:blue" %)2. Open project
134.3	219
	220
134.7	221	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	222
137.1	223	[[image:image-20220726135239-1.png]]
125.1	224
	225
134.6	226	(% 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	227
137.1	228	[[image:image-20220726135356-2.png]]
134.3	229
125.1	230
134.6	231	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	232
134.3	233
131.1	234	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	235
134.3	236
	237
87.2	238	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	239
	240
134.6	241	(% style="color:blue" %)1. Open project
134.3	242
	243
134.7	244	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	245
134.7	246
131.1	247	[[image:image-20220723172502-8.png]]
87.2	248
131.1	249
134.3	250
134.6	251	(% 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	252
	253
131.1	254	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	255
	256
134.2	257
133.1	258	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	259
	260
134.6	261	(% style="color:blue" %)1. Open project
134.2	262
	263
134.7	264	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	265
	266
131.1	267	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	268
131.1	269
134.2	270
134.6	271	(% 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	272
	273
131.1	274	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	275
	276
134.2	277
134.6	278	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	279
133.1	280	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/]]
	281
	282	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	283
134.2	284
	285
87.2	286	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	287
	288
	289	=== 2.8.1 Items needed for update ===
	290
134.2	291
74.1	292	1. LA66 LoRaWAN Shield
	293	1. Arduino
	294	1. USB TO TTL Adapter
13.1	295
75.1	296	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	297
	298
137.6	299
87.2	300	=== 2.8.2 Connection ===
20.1	301
87.2	302
75.1	303	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	304
	305
87.17	306	(((
87.2	307	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	308	)))
87.2	309
87.16	310	(((
87.2	311	(% style="background-color:yellow" %)**GND <-> GND
87.8	312	TXD <-> TXD
	313	RXD <-> RXD**
87.16	314	)))
87.2	315
	316
77.1	317	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	318
75.1	319	Connect USB TTL Adapter to PC after connecting the wires
20.1	320
	321
75.1	322	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	323
	324
137.6	325
87.2	326	=== 2.8.3 Upgrade steps ===
20.1	327
	328
134.2	329	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	330
	331
75.1	332	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	333
	334
87.9	335
134.2	336	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	337
87.10	338
75.1	339	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	340
75.1	341
87.9	342
134.2	343	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	344
39.1	345
87.18	346	(((
87.2	347	(% 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	348	)))
87.2	349
	350
32.1	351	[[image:image-20220602103227-6.png]]
	352
87.2	353
32.1	354	[[image:image-20220602103357-7.png]]
	355
	356
87.2	357
76.1	358	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	359	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	360
87.2	361
32.1	362	[[image:image-20220602103844-8.png]]
	363
	364
87.2	365
76.1	366	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	367	(% style="color:blue" %)3. Select the bin file to burn
76.1	368
87.2	369
32.1	370	[[image:image-20220602104144-9.png]]
	371
87.2	372
32.1	373	[[image:image-20220602104251-10.png]]
	374
87.2	375
32.1	376	[[image:image-20220602104402-11.png]]
	377
	378
87.2	379
76.1	380	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	381	(% style="color:blue" %)4. Click to start the download
76.1	382
32.1	383	[[image:image-20220602104923-13.png]]
	384
	385
87.10	386
76.1	387	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	388	(% style="color:blue" %)5. Check update process
76.1	389
87.2	390
32.1	391	[[image:image-20220602104948-14.png]]
	392
	393
87.2	394
76.1	395	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	396	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	397
32.1	398	[[image:image-20220602105251-15.png]]
	399
72.1	400
	401
87.2	402	= 3. LA66 USB LoRaWAN Adapter =
6.1	403
7.1	404
87.2	405	== 3.1 Overview ==
	406
100.3	407
93.1	408	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	409
100.3	410
100.5	411	(((
91.1	412	(% 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	413	)))
52.1	414
100.5	415	(((
101.4	416	(% 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	417	)))
73.1	418
100.5	419	(((
90.1	420	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	421	)))
90.1	422
100.5	423	(((
90.1	424	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	425	)))
90.1	426
100.5	427	(((
90.1	428	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	429	)))
90.1	430
	431
100.3	432
87.2	433	== 3.2 Features ==
73.1	434
137.6	435
73.1	436	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	437	* Ultra-long RF range
	438	* Support LoRaWAN v1.0.4 protocol
	439	* Support peer-to-peer protocol
	440	* TCXO crystal to ensure RF performance on low temperature
	441	* Spring RF antenna
	442	* Available in different frequency LoRaWAN frequency bands.
	443	* World-wide unique OTAA keys.
	444	* AT Command via UART-TTL interface
	445	* Firmware upgradable via UART interface
93.3	446	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	447
87.3	448	== 3.3 Specification ==
73.1	449
137.6	450
73.1	451	* CPU: 32-bit 48 MHz
	452	* Flash: 256KB
	453	* RAM: 64KB
	454	* Input Power Range: 5v
	455	* Frequency Range: 150 MHz ~~ 960 MHz
	456	* Maximum Power +22 dBm constant RF output
	457	* High sensitivity: -148 dBm
	458	* Temperature:
	459	** Storage: -55 ~~ +125℃
	460	** Operating: -40 ~~ +85℃
	461	* Humidity:
	462	** Storage: 5 ~~ 95% (Non-Condensing)
	463	** Operating: 10 ~~ 95% (Non-Condensing)
	464	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	465	* LoRa Rx current: <9 mA
	466
87.3	467	== 3.4 Pin Mapping & LED ==
7.1	468
143.1	469	[[image:image-20220813183239-3.png\|\|height="526" width="662"]]
7.1	470
87.3	471
	472	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	473
	474
100.5	475	(((
78.2	476	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	477	)))
58.1	478
	479
87.3	480	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	481
	482
106.1	483	[[image:image-20220723100027-1.png]]
78.2	484
87.3	485
58.1	486	Open the serial port tool
	487
	488	[[image:image-20220602161617-8.png]]
	489
78.2	490	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	491
	492
	493
87.3	494	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	495
78.2	496	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	497
87.3	498
78.2	499	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	500
78.2	501
	502
87.3	503	(% style="color:blue" %)3. See Uplink Command
78.2	504
87.3	505	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	506
58.1	507	example: AT+SENDB=01,02,8,05820802581ea0a5
	508
78.2	509	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	510
	511
	512
87.3	513	(% style="color:blue" %)4. Check to see if TTN received the message
	514
78.2	515	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	516
	517
	518
87.3	519	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	520
87.3	521
87.1	522	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	523
106.1	524	(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	525
87.3	526	(% style="color:red" %)Preconditions:
81.1	527
87.3	528	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	529
87.3	530	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	531
	532
	533
87.3	534	(% style="color:blue" %)Steps for usage:
	535
	536	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	537
	538	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	539
81.1	540	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	541
	542
	543
87.4	544	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	545
87.4	546
79.1	547	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	548
79.1	549
87.5	550	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	551
106.1	552	[[image:image-20220723100439-2.png]]
43.1	553
52.1	554
	555
87.4	556	(% style="color:blue" %)2. Install Minicom in RPi.
	557
79.1	558	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	559
87.4	560	(% style="background-color:yellow" %)apt update
52.1	561
87.4	562	(% style="background-color:yellow" %)apt install minicom
52.1	563
	564
79.1	565	Use minicom to connect to the RPI's terminal
52.1	566
79.1	567	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	568
	569
87.4	570
87.11	571	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	572
87.11	573	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	574
	575
79.1	576	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	577
	578
	579
87.4	580	(% style="color:blue" %)4. Send Uplink message
46.1	581
87.5	582	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	583
79.1	584	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	585
87.4	586
79.1	587	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	588
87.4	589
	590
79.1	591	Check to see if TTN received the message
	592
	593	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	594
	595
	596
139.2	597	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	598
134.2	599
139.2	600	=== 3.8.1 Hardware and Software Connection ===
13.1	601
134.2	602
	603	==== (% style="color:blue" %)Overview：(%%) ====
	604
	605
134.9	606	(((
139.2	607	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	608
139.2	609	* Send real-time location information of mobile phone to LoRaWAN network.
	610	* Check LoRaWAN network signal strengh.
	611	* Manually send messages to LoRaWAN network.
134.9	612	)))
111.1	613
106.1	614
134.2	615
139.2	616	==== (% style="color:blue" %)Hardware Connection:(%%) ====
134.2	617
139.2	618	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	619
139.2	620	Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	621
139.2	622	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	623
	624
139.2	625	==== (% style="color:blue" %)Download and Install App:(%%) ====
134.2	626
139.2	627	[[(% id="cke_bm_895007S" style="display:none" %) (%%)Download Link for Android apk >>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]. (Android Version Only)
	628
	629	[[image:image-20220813173738-1.png]]
	630
	631
134.2	632	==== (% style="color:blue" %)Use of APP:(%%) ====
	633
110.1	634	Function and page introduction
	635
139.2	636	[[image:image-20220723113448-7.png\|\|height="995" width="450"]]
110.1	637
139.2	638	Block Explain:
134.9	639
139.2	640	1. Display LA66 USB LoRaWAN Module connection status
110.1	641
139.2	642	2. Check and reconnect
110.1	643
139.2	644	3. Turn send timestamps on or off
110.1	645
139.2	646	4. Display LoRaWan connection status
110.1	647
139.2	648	5. Check LoRaWan connection status
110.1	649
139.2	650	6. The RSSI value of the node when the ACK is received
110.1	651
139.2	652	7. Node's Signal Strength Icon
110.1	653
139.2	654	8. Configure Location Uplink Interval
110.1	655
139.2	656	9. AT command input box
110.1	657
139.2	658	10. Send Button: Send input box info to LA66 USB Adapter
110.1	659
139.2	660	11. Output Log from LA66 USB adapter
110.1	661
139.2	662	12. clear log button
110.1	663
139.2	664	13. exit button
110.1	665
134.2	666
106.1	667	LA66 USB LoRaWAN Module not connected
	668
139.2	669	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	670
134.2	671
	672
110.1	673	Connect LA66 USB LoRaWAN Module
106.1	674
139.2	675	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	676
134.2	677
	678
141.1	679	=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
111.1	680
	681
134.8	682	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	683
113.1	684	[[image:image-20220723134549-8.png]]
	685
	686
134.2	687
134.8	688	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	689
139.2	690	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	691
139.2	692	For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
113.1	693
139.2	694	After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
117.1	695
139.2	696
	697	Example output in NodeRed is as below:
	698
117.1	699	[[image:image-20220723144339-1.png]]
	700
134.2	701
	702
87.4	703	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	704
134.2	705
134.1	706	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	707
119.1	708	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	709
119.1	710	[[image:image-20220723150132-2.png]]
73.1	711
119.1	712
134.2	713
137.2	714	= 4. FAQ =
73.1	715
87.4	716
137.2	717	== 4.1 How to Compile Source Code for LA66? ==
	718
	719
137.3	720	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	721
	722
	723
	724	= 5. Order Info =
	725
	726
87.5	727	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	728
	729
87.5	730	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	731
87.5	732	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	733	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	734	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	735	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	736	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	737	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	738	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	739	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	740	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	741
137.2	742	= 6. Reference =
134.12	743
87.4	744
78.1	745	* 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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