Wiki source code of LA66 LoRaWAN Module

Version 141.1 by Edwin Chen on 2022/08/13 18:13

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
137.6	66
	67
87.2	68	== 1.3 Specification ==
	69
137.6	70
68.1	71	* CPU: 32-bit 48 MHz
	72	* Flash: 256KB
	73	* RAM: 64KB
66.1	74	* Input Power Range: 1.8v ~~ 3.7v
	75	* Power Consumption: < 4uA.
	76	* Frequency Range: 150 MHz ~~ 960 MHz
	77	* Maximum Power +22 dBm constant RF output
	78	* High sensitivity: -148 dBm
	79	* Temperature:
	80	** Storage: -55 ~~ +125℃
	81	** Operating: -40 ~~ +85℃
	82	* Humidity:
	83	** Storage: 5 ~~ 95% (Non-Condensing)
	84	** Operating: 10 ~~ 95% (Non-Condensing)
	85	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	86	* LoRa Rx current: <9 mA
	87	* I/O Voltage: 3.3v
1.1	88
137.6	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
137.6	112
5.1	113	[[image:image-20220517072821-2.png]]
	114
	115
	116
87.2	117	= 2. LA66 LoRaWAN Shield =
6.1	118
	119
87.2	120	== 2.1 Overview ==
	121
90.1	122
100.2	123	(((
	124	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	125	)))
90.1	126
100.2	127	(((
	128
	129	)))
	130
	131	(((
100.4	132	(% 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	133	)))
71.1	134
90.1	135	(((
100.2	136	(((
101.4	137	(% 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	138	)))
100.2	139	)))
71.1	140
90.1	141	(((
100.2	142	(((
90.1	143	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	144	)))
100.2	145	)))
90.1	146
	147	(((
100.2	148	(((
90.1	149	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.
	150	)))
100.2	151	)))
90.1	152
	153	(((
100.2	154	(((
90.1	155	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	156	)))
100.2	157	)))
90.1	158
	159
100.2	160
87.2	161	== 2.2 Features ==
71.1	162
137.6	163
71.1	164	* Arduino Shield base on LA66 LoRaWAN module
	165	* Support LoRaWAN v1.0.4 protocol
	166	* Support peer-to-peer protocol
	167	* TCXO crystal to ensure RF performance on low temperature
	168	* SMA connector
	169	* Available in different frequency LoRaWAN frequency bands.
	170	* World-wide unique OTAA keys.
	171	* AT Command via UART-TTL interface
	172	* Firmware upgradable via UART interface
	173	* Ultra-long RF range
	174
137.6	175
	176
87.2	177	== 2.3 Specification ==
	178
137.6	179
71.1	180	* CPU: 32-bit 48 MHz
	181	* Flash: 256KB
	182	* RAM: 64KB
	183	* Input Power Range: 1.8v ~~ 3.7v
	184	* Power Consumption: < 4uA.
	185	* Frequency Range: 150 MHz ~~ 960 MHz
	186	* Maximum Power +22 dBm constant RF output
	187	* High sensitivity: -148 dBm
	188	* Temperature:
	189	** Storage: -55 ~~ +125℃
	190	** Operating: -40 ~~ +85℃
	191	* Humidity:
	192	** Storage: 5 ~~ 95% (Non-Condensing)
	193	** Operating: 10 ~~ 95% (Non-Condensing)
	194	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	195	* LoRa Rx current: <9 mA
	196	* I/O Voltage: 3.3v
	197
137.6	198
	199
125.1	200	== 2.4 LED ==
11.1	201
134.5	202
125.1	203	~1. The LED lights up red when there is an upstream data packet
	204	2. When the network is successfully connected, the green light will be on for 5 seconds
	205	3. Purple light on when receiving downlink data packets
11.1	206
	207
134.5	208
87.2	209	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	210
	211
134.3	212	Show connection diagram：
	213
	214
125.1	215	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	216
125.1	217
134.3	218
134.6	219	(% style="color:blue" %)1. open Arduino IDE
134.3	220
	221
125.1	222	[[image:image-20220723170545-4.png]]
	223
	224
134.3	225
134.6	226	(% style="color:blue" %)2. Open project
134.3	227
	228
134.7	229	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	230
137.1	231	[[image:image-20220726135239-1.png]]
125.1	232
	233
134.6	234	(% 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	235
137.1	236	[[image:image-20220726135356-2.png]]
134.3	237
125.1	238
134.6	239	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	240
134.3	241
131.1	242	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	243
134.3	244
	245
87.2	246	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	247
	248
134.6	249	(% style="color:blue" %)1. Open project
134.3	250
	251
134.7	252	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	253
134.7	254
131.1	255	[[image:image-20220723172502-8.png]]
87.2	256
131.1	257
134.3	258
134.6	259	(% 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	260
	261
131.1	262	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	263
	264
134.2	265
133.1	266	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	267
	268
134.6	269	(% style="color:blue" %)1. Open project
134.2	270
	271
134.7	272	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	273
	274
131.1	275	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	276
131.1	277
134.2	278
134.6	279	(% 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	280
	281
131.1	282	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	283
	284
134.2	285
134.6	286	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	287
133.1	288	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/]]
	289
	290	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	291
134.2	292
	293
87.2	294	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	295
	296
	297	=== 2.8.1 Items needed for update ===
	298
134.2	299
74.1	300	1. LA66 LoRaWAN Shield
	301	1. Arduino
	302	1. USB TO TTL Adapter
13.1	303
75.1	304	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	305
	306
137.6	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
137.6	333
87.2	334	=== 2.8.3 Upgrade steps ===
20.1	335
	336
134.2	337	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	338
	339
75.1	340	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	341
	342
87.9	343
134.2	344	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	345
87.10	346
75.1	347	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	348
75.1	349
87.9	350
134.2	351	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	352
39.1	353
87.18	354	(((
87.2	355	(% 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	356	)))
87.2	357
	358
32.1	359	[[image:image-20220602103227-6.png]]
	360
87.2	361
32.1	362	[[image:image-20220602103357-7.png]]
	363
	364
87.2	365
76.1	366	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	367	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	368
87.2	369
32.1	370	[[image:image-20220602103844-8.png]]
	371
	372
87.2	373
76.1	374	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	375	(% style="color:blue" %)3. Select the bin file to burn
76.1	376
87.2	377
32.1	378	[[image:image-20220602104144-9.png]]
	379
87.2	380
32.1	381	[[image:image-20220602104251-10.png]]
	382
87.2	383
32.1	384	[[image:image-20220602104402-11.png]]
	385
	386
87.2	387
76.1	388	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	389	(% style="color:blue" %)4. Click to start the download
76.1	390
32.1	391	[[image:image-20220602104923-13.png]]
	392
	393
87.10	394
76.1	395	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	396	(% style="color:blue" %)5. Check update process
76.1	397
87.2	398
32.1	399	[[image:image-20220602104948-14.png]]
	400
	401
87.2	402
76.1	403	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	404	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	405
32.1	406	[[image:image-20220602105251-15.png]]
	407
72.1	408
	409
87.2	410	= 3. LA66 USB LoRaWAN Adapter =
6.1	411
7.1	412
87.2	413	== 3.1 Overview ==
	414
100.3	415
93.1	416	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	417
100.3	418
100.5	419	(((
91.1	420	(% 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	421	)))
52.1	422
100.5	423	(((
101.4	424	(% 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	425	)))
73.1	426
100.5	427	(((
90.1	428	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	429	)))
90.1	430
100.5	431	(((
90.1	432	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	433	)))
90.1	434
100.5	435	(((
90.1	436	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	437	)))
90.1	438
	439
100.3	440
87.2	441	== 3.2 Features ==
73.1	442
137.6	443
73.1	444	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	445	* Ultra-long RF range
	446	* Support LoRaWAN v1.0.4 protocol
	447	* Support peer-to-peer protocol
	448	* TCXO crystal to ensure RF performance on low temperature
	449	* Spring RF antenna
	450	* Available in different frequency LoRaWAN frequency bands.
	451	* World-wide unique OTAA keys.
	452	* AT Command via UART-TTL interface
	453	* Firmware upgradable via UART interface
93.3	454	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	455
137.6	456
	457
87.3	458	== 3.3 Specification ==
73.1	459
137.6	460
73.1	461	* CPU: 32-bit 48 MHz
	462	* Flash: 256KB
	463	* RAM: 64KB
	464	* Input Power Range: 5v
	465	* Frequency Range: 150 MHz ~~ 960 MHz
	466	* Maximum Power +22 dBm constant RF output
	467	* High sensitivity: -148 dBm
	468	* Temperature:
	469	** Storage: -55 ~~ +125℃
	470	** Operating: -40 ~~ +85℃
	471	* Humidity:
	472	** Storage: 5 ~~ 95% (Non-Condensing)
	473	** Operating: 10 ~~ 95% (Non-Condensing)
	474	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	475	* LoRa Rx current: <9 mA
	476
137.6	477
	478
87.3	479	== 3.4 Pin Mapping & LED ==
7.1	480
	481
87.3	482
	483	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	484
	485
100.5	486	(((
78.2	487	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	488	)))
58.1	489
	490
87.3	491	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	492
	493
106.1	494	[[image:image-20220723100027-1.png]]
78.2	495
87.3	496
58.1	497	Open the serial port tool
	498
	499	[[image:image-20220602161617-8.png]]
	500
78.2	501	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	502
	503
	504
87.3	505	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	506
78.2	507	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	508
87.3	509
78.2	510	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	511
78.2	512
	513
87.3	514	(% style="color:blue" %)3. See Uplink Command
78.2	515
87.3	516	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	517
58.1	518	example: AT+SENDB=01,02,8,05820802581ea0a5
	519
78.2	520	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	521
	522
	523
87.3	524	(% style="color:blue" %)4. Check to see if TTN received the message
	525
78.2	526	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	527
	528
	529
87.3	530	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	531
87.3	532
87.1	533	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	534
106.1	535	(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	536
87.3	537	(% style="color:red" %)Preconditions:
81.1	538
87.3	539	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	540
87.3	541	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	542
	543
	544
87.3	545	(% style="color:blue" %)Steps for usage:
	546
	547	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	548
	549	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	550
81.1	551	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	552
	553
	554
87.4	555	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	556
87.4	557
79.1	558	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	559
79.1	560
87.5	561	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	562
106.1	563	[[image:image-20220723100439-2.png]]
43.1	564
52.1	565
	566
87.4	567	(% style="color:blue" %)2. Install Minicom in RPi.
	568
79.1	569	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	570
87.4	571	(% style="background-color:yellow" %)apt update
52.1	572
87.4	573	(% style="background-color:yellow" %)apt install minicom
52.1	574
	575
79.1	576	Use minicom to connect to the RPI's terminal
52.1	577
79.1	578	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	579
	580
87.4	581
87.11	582	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	583
87.11	584	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	585
	586
79.1	587	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	588
	589
	590
87.4	591	(% style="color:blue" %)4. Send Uplink message
46.1	592
87.5	593	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	594
79.1	595	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	596
87.4	597
79.1	598	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	599
87.4	600
	601
79.1	602	Check to see if TTN received the message
	603
	604	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	605
	606
	607
139.2	608	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	609
134.2	610
139.2	611	=== 3.8.1 Hardware and Software Connection ===
13.1	612
134.2	613
	614	==== (% style="color:blue" %)Overview：(%%) ====
	615
	616
134.9	617	(((
139.2	618	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	619
139.2	620	* Send real-time location information of mobile phone to LoRaWAN network.
	621	* Check LoRaWAN network signal strengh.
	622	* Manually send messages to LoRaWAN network.
134.9	623	)))
111.1	624
106.1	625
134.2	626
139.2	627	==== (% style="color:blue" %)Hardware Connection:(%%) ====
134.2	628
139.2	629	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	630
139.2	631	Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	632
139.2	633	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	634
	635
139.2	636	==== (% style="color:blue" %)Download and Install App:(%%) ====
134.2	637
139.2	638	[[(% 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)
	639
	640	[[image:image-20220813173738-1.png]]
	641
	642
134.2	643	==== (% style="color:blue" %)Use of APP:(%%) ====
	644
110.1	645	Function and page introduction
	646
139.2	647	[[image:image-20220723113448-7.png\|\|height="995" width="450"]]
110.1	648
139.2	649	Block Explain:
134.9	650
139.2	651	1. Display LA66 USB LoRaWAN Module connection status
110.1	652
139.2	653	2. Check and reconnect
110.1	654
139.2	655	3. Turn send timestamps on or off
110.1	656
139.2	657	4. Display LoRaWan connection status
110.1	658
139.2	659	5. Check LoRaWan connection status
110.1	660
139.2	661	6. The RSSI value of the node when the ACK is received
110.1	662
139.2	663	7. Node's Signal Strength Icon
110.1	664
139.2	665	8. Configure Location Uplink Interval
110.1	666
139.2	667	9. AT command input box
110.1	668
139.2	669	10. Send Button: Send input box info to LA66 USB Adapter
110.1	670
139.2	671	11. Output Log from LA66 USB adapter
110.1	672
139.2	673	12. clear log button
110.1	674
139.2	675	13. exit button
110.1	676
134.2	677
106.1	678	LA66 USB LoRaWAN Module not connected
	679
139.2	680	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	681
134.2	682
	683
110.1	684	Connect LA66 USB LoRaWAN Module
106.1	685
139.2	686	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	687
134.2	688
	689
141.1	690	=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
111.1	691
	692
134.8	693	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	694
113.1	695	[[image:image-20220723134549-8.png]]
	696
	697
134.2	698
134.8	699	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	700
139.2	701	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	702
139.2	703	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	704
139.2	705	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	706
139.2	707
	708	Example output in NodeRed is as below:
	709
117.1	710	[[image:image-20220723144339-1.png]]
	711
134.2	712
	713
87.4	714	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	715
134.2	716
134.1	717	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	718
119.1	719	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	720
119.1	721	[[image:image-20220723150132-2.png]]
73.1	722
119.1	723
134.2	724
137.2	725	= 4. FAQ =
73.1	726
87.4	727
137.2	728	== 4.1 How to Compile Source Code for LA66? ==
	729
	730
137.3	731	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	732
	733
	734
	735	= 5. Order Info =
	736
	737
87.5	738	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	739
	740
87.5	741	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	742
87.5	743	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	744	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	745	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	746	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	747	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	748	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	749	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	750	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	751	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	752
137.5	753
	754
137.2	755	= 6. Reference =
134.12	756
87.4	757
78.1	758	* 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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