Wiki source code of LA66 LoRaWAN Module

Version 134.5 by Xiaoling on 2022/07/26 10:38

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
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
	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
134.4	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
134.5	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
134.5	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
	218	1. open Arduino IDE
	219
	220
125.1	221	[[image:image-20220723170545-4.png]]
	222
	223
134.3	224
	225	2. Open project
	226
	227
	228	LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	229
131.1	230	[[image:image-20220723170750-5.png\|\|height="533" width="930"]]
125.1	231
	232
134.3	233
	234	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
	235
	236
125.1	237	[[image:image-20220723171228-6.png]]
	238
	239
134.3	240
	241	4. After the upload is successful, open the serial port monitoring and send the AT command
	242
	243
131.1	244	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	245
134.3	246
	247
87.2	248	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	249
	250
134.3	251	1. Open project
	252
	253
	254	Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	255
131.1	256	[[image:image-20220723172502-8.png]]
87.2	257
131.1	258
134.3	259
	260	2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	261
	262
131.1	263	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	264
	265
134.2	266
133.1	267	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	268
	269
134.2	270	1. Open project
	271
	272
	273	Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	274
	275
131.1	276	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	277
131.1	278
134.2	279
	280	2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	281
	282
131.1	283	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	284
	285
134.2	286
	287	3. Integration into Node-red via TTNV3
	288
133.1	289	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/]]
	290
	291	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	292
134.2	293
	294
87.2	295	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	296
	297
	298	=== 2.8.1 Items needed for update ===
	299
134.2	300
74.1	301	1. LA66 LoRaWAN Shield
	302	1. Arduino
	303	1. USB TO TTL Adapter
13.1	304
75.1	305	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	306
	307
87.2	308	=== 2.8.2 Connection ===
20.1	309
87.2	310
75.1	311	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	312
	313
87.17	314	(((
87.2	315	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	316	)))
87.2	317
87.16	318	(((
87.2	319	(% style="background-color:yellow" %)**GND <-> GND
87.8	320	TXD <-> TXD
	321	RXD <-> RXD**
87.16	322	)))
87.2	323
	324
77.1	325	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	326
75.1	327	Connect USB TTL Adapter to PC after connecting the wires
20.1	328
	329
75.1	330	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	331
	332
87.2	333	=== 2.8.3 Upgrade steps ===
20.1	334
	335
134.2	336	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	337
	338
75.1	339	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	340
	341
87.9	342
134.2	343	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	344
87.10	345
75.1	346	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	347
75.1	348
87.9	349
134.2	350	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	351
39.1	352
87.18	353	(((
87.2	354	(% 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	355	)))
87.2	356
	357
32.1	358	[[image:image-20220602103227-6.png]]
	359
87.2	360
32.1	361	[[image:image-20220602103357-7.png]]
	362
	363
87.2	364
76.1	365	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	366	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	367
87.2	368
32.1	369	[[image:image-20220602103844-8.png]]
	370
	371
87.2	372
76.1	373	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	374	(% style="color:blue" %)3. Select the bin file to burn
76.1	375
87.2	376
32.1	377	[[image:image-20220602104144-9.png]]
	378
87.2	379
32.1	380	[[image:image-20220602104251-10.png]]
	381
87.2	382
32.1	383	[[image:image-20220602104402-11.png]]
	384
	385
87.2	386
76.1	387	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	388	(% style="color:blue" %)4. Click to start the download
76.1	389
32.1	390	[[image:image-20220602104923-13.png]]
	391
	392
87.10	393
76.1	394	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	395	(% style="color:blue" %)5. Check update process
76.1	396
87.2	397
32.1	398	[[image:image-20220602104948-14.png]]
	399
	400
87.2	401
76.1	402	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	403	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	404
32.1	405	[[image:image-20220602105251-15.png]]
	406
72.1	407
	408
87.2	409	= 3. LA66 USB LoRaWAN Adapter =
6.1	410
7.1	411
87.2	412	== 3.1 Overview ==
	413
100.3	414
93.1	415	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	416
100.3	417
100.5	418	(((
91.1	419	(% 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	420	)))
52.1	421
100.5	422	(((
101.4	423	(% 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	424	)))
73.1	425
100.5	426	(((
90.1	427	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	428	)))
90.1	429
100.5	430	(((
90.1	431	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	432	)))
90.1	433
100.5	434	(((
90.1	435	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	436	)))
90.1	437
	438
100.3	439
87.2	440	== 3.2 Features ==
73.1	441
	442	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	443	* Ultra-long RF range
	444	* Support LoRaWAN v1.0.4 protocol
	445	* Support peer-to-peer protocol
	446	* TCXO crystal to ensure RF performance on low temperature
	447	* Spring RF antenna
	448	* Available in different frequency LoRaWAN frequency bands.
	449	* World-wide unique OTAA keys.
	450	* AT Command via UART-TTL interface
	451	* Firmware upgradable via UART interface
93.3	452	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	453
134.2	454
	455
87.3	456	== 3.3 Specification ==
73.1	457
	458	* CPU: 32-bit 48 MHz
	459	* Flash: 256KB
	460	* RAM: 64KB
	461	* Input Power Range: 5v
	462	* Frequency Range: 150 MHz ~~ 960 MHz
	463	* Maximum Power +22 dBm constant RF output
	464	* High sensitivity: -148 dBm
	465	* Temperature:
	466	** Storage: -55 ~~ +125℃
	467	** Operating: -40 ~~ +85℃
	468	* Humidity:
	469	** Storage: 5 ~~ 95% (Non-Condensing)
	470	** Operating: 10 ~~ 95% (Non-Condensing)
	471	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	472	* LoRa Rx current: <9 mA
	473
134.2	474
	475
87.3	476	== 3.4 Pin Mapping & LED ==
7.1	477
	478
87.3	479
	480	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	481
	482
100.5	483	(((
78.2	484	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	485	)))
58.1	486
	487
87.3	488	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	489
	490
106.1	491	[[image:image-20220723100027-1.png]]
78.2	492
87.3	493
58.1	494	Open the serial port tool
	495
	496	[[image:image-20220602161617-8.png]]
	497
78.2	498	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	499
	500
	501
87.3	502	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	503
78.2	504	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	505
87.3	506
78.2	507	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	508
78.2	509
	510
87.3	511	(% style="color:blue" %)3. See Uplink Command
78.2	512
87.3	513	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	514
58.1	515	example: AT+SENDB=01,02,8,05820802581ea0a5
	516
78.2	517	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	518
	519
	520
87.3	521	(% style="color:blue" %)4. Check to see if TTN received the message
	522
78.2	523	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	524
	525
	526
87.3	527	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	528
87.3	529
87.1	530	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	531
106.1	532	(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	533
87.3	534	(% style="color:red" %)Preconditions:
81.1	535
87.3	536	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	537
87.3	538	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	539
	540
	541
87.3	542	(% style="color:blue" %)Steps for usage:
	543
	544	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	545
	546	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	547
81.1	548	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	549
	550
	551
87.4	552	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	553
87.4	554
79.1	555	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	556
79.1	557
87.5	558	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	559
106.1	560	[[image:image-20220723100439-2.png]]
43.1	561
52.1	562
	563
87.4	564	(% style="color:blue" %)2. Install Minicom in RPi.
	565
79.1	566	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	567
87.4	568	(% style="background-color:yellow" %)apt update
52.1	569
87.4	570	(% style="background-color:yellow" %)apt install minicom
52.1	571
	572
79.1	573	Use minicom to connect to the RPI's terminal
52.1	574
79.1	575	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	576
	577
87.4	578
87.11	579	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	580
87.11	581	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	582
	583
79.1	584	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	585
	586
	587
87.4	588	(% style="color:blue" %)4. Send Uplink message
46.1	589
87.5	590	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	591
79.1	592	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	593
87.4	594
79.1	595	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	596
87.4	597
	598
79.1	599	Check to see if TTN received the message
	600
	601	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	602
	603
	604
134.1	605	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	606
134.2	607
106.1	608	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	609
134.2	610
106.1	611	[[image:image-20220723102027-3.png]]
63.1	612
106.1	613
134.2	614
	615	==== (% style="color:blue" %)Overview：(%%) ====
	616
	617
134.1	618	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	619
111.1	620	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	621
106.1	622
134.2	623
	624	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	625
	626
106.1	627	Requires a type-c to USB adapter
	628
	629	[[image:image-20220723104754-4.png]]
	630
	631
134.2	632
	633	==== (% style="color:blue" %)Use of APP:(%%) ====
	634
	635
110.1	636	Function and page introduction
	637
	638	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	639
	640	1.Display LA66 USB LoRaWAN Module connection status
	641
	642	2.Check and reconnect
	643
	644	3.Turn send timestamps on or off
	645
	646	4.Display LoRaWan connection status
	647
	648	5.Check LoRaWan connection status
	649
	650	6.The RSSI value of the node when the ACK is received
	651
	652	7.Node's Signal Strength Icon
	653
	654	8.Set the packet sending interval of the node in seconds
	655
	656	9.AT command input box
	657
	658	10.Send AT command button
	659
	660	11.Node log box
	661
	662	12.clear log button
	663
	664	13.exit button
	665
134.2	666
106.1	667	LA66 USB LoRaWAN Module not connected
	668
110.1	669	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	670
134.2	671
	672
110.1	673	Connect LA66 USB LoRaWAN Module
106.1	674
110.1	675	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	676
134.2	677
	678
134.1	679	=== 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	680
	681
134.2	682	1. Register LA66 USB LoRaWAN Module to TTNV3
	683
113.1	684	[[image:image-20220723134549-8.png]]
	685
	686
134.2	687
	688	2. Open Node-RED,And import the JSON file to generate the flow
	689
117.1	690	Sample JSON file please go to this link to download：放置JSON文件的链接
	691
115.1	692	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	693
117.1	694	The following is the positioning effect map
	695
	696	[[image:image-20220723144339-1.png]]
	697
134.2	698
	699
87.4	700	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	701
134.2	702
134.1	703	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	704
119.1	705	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	706
119.1	707	[[image:image-20220723150132-2.png]]
73.1	708
119.1	709
134.2	710
87.4	711	= 4. Order Info =
73.1	712
87.4	713
87.5	714	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	715
	716
87.5	717	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	718
87.5	719	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	720	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	721	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	722	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	723	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	724	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	725	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	726	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	727	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	728
134.2	729
87.4	730	= 5. Reference =
	731
134.2	732
78.1	733	* 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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