Wiki source code of LA66 LoRaWAN Module

Version 101.3 by Xiaoling on 2022/07/20 11:21

version	line-number	content
87.2	1
	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	(((
65.1	31	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 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
100.6	65
101.3	66
87.2	67	== 1.3 Specification ==
	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
100.6	87
101.3	88
87.2	89	== 1.4 AT Command ==
	90
98.2	91
66.1	92	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	93
3.1	94
98.4	95
87.2	96	== 1.5 Dimension ==
3.1	97
98.2	98	[[image:image-20220718094750-3.png]]
3.1	99
	100
5.1	101
87.2	102	== 1.6 Pin Mapping ==
	103
101.2	104	[[image:image-20220720111850-1.png]]
87.2	105
5.1	106
	107
87.2	108	== 1.7 Land Pattern ==
	109
5.1	110	[[image:image-20220517072821-2.png]]
	111
	112
	113
87.2	114	= 2. LA66 LoRaWAN Shield =
6.1	115
	116
87.2	117	== 2.1 Overview ==
	118
90.1	119
100.2	120	(((
	121	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	122	)))
90.1	123
100.2	124	(((
	125
	126	)))
	127
	128	(((
100.4	129	(% 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	130	)))
71.1	131
90.1	132	(((
100.2	133	(((
	134	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 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	135	)))
100.2	136	)))
71.1	137
90.1	138	(((
100.2	139	(((
90.1	140	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	141	)))
100.2	142	)))
90.1	143
	144	(((
100.2	145	(((
90.1	146	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.
	147	)))
100.2	148	)))
90.1	149
	150	(((
100.2	151	(((
90.1	152	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	153	)))
100.2	154	)))
90.1	155
	156
100.2	157
87.2	158	== 2.2 Features ==
71.1	159
	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
100.6	171
101.3	172
87.2	173	== 2.3 Specification ==
	174
71.1	175	* CPU: 32-bit 48 MHz
	176	* Flash: 256KB
	177	* RAM: 64KB
	178	* Input Power Range: 1.8v ~~ 3.7v
	179	* Power Consumption: < 4uA.
	180	* Frequency Range: 150 MHz ~~ 960 MHz
	181	* Maximum Power +22 dBm constant RF output
	182	* High sensitivity: -148 dBm
	183	* Temperature:
	184	** Storage: -55 ~~ +125℃
	185	** Operating: -40 ~~ +85℃
	186	* Humidity:
	187	** Storage: 5 ~~ 95% (Non-Condensing)
	188	** Operating: 10 ~~ 95% (Non-Condensing)
	189	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	190	* LoRa Rx current: <9 mA
	191	* I/O Voltage: 3.3v
	192
100.6	193
101.3	194
87.2	195	== 2.4 Pin Mapping & LED ==
11.1	196
	197
	198
87.2	199	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	200
	201
87.2	202
	203	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	204
	205
	206
	207	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	208
	209
	210
	211	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	212
	213
	214	=== 2.8.1 Items needed for update ===
	215
74.1	216	1. LA66 LoRaWAN Shield
	217	1. Arduino
	218	1. USB TO TTL Adapter
13.1	219
75.1	220	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	221
	222
87.2	223	=== 2.8.2 Connection ===
20.1	224
87.2	225
75.1	226	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	227
	228
87.17	229	(((
87.2	230	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	231	)))
87.2	232
87.16	233	(((
87.2	234	(% style="background-color:yellow" %)**GND <-> GND
87.8	235	TXD <-> TXD
	236	RXD <-> RXD**
87.16	237	)))
87.2	238
	239
77.1	240	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	241
75.1	242	Connect USB TTL Adapter to PC after connecting the wires
20.1	243
	244
75.1	245	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	246
	247
87.2	248	=== 2.8.3 Upgrade steps ===
20.1	249
	250
87.2	251	==== 1. Switch SW1 to put in ISP position ====
	252
	253
75.1	254	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	255
	256
87.9	257
87.2	258	==== 2. Press the RST switch once ====
32.1	259
87.10	260
75.1	261	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	262
75.1	263
87.9	264
87.2	265	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	266
39.1	267
87.18	268	(((
87.2	269	(% 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	270	)))
87.2	271
	272
32.1	273	[[image:image-20220602103227-6.png]]
	274
87.2	275
32.1	276	[[image:image-20220602103357-7.png]]
	277
	278
87.2	279
76.1	280	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	281	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	282
87.2	283
32.1	284	[[image:image-20220602103844-8.png]]
	285
	286
87.2	287
76.1	288	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	289	(% style="color:blue" %)3. Select the bin file to burn
76.1	290
87.2	291
32.1	292	[[image:image-20220602104144-9.png]]
	293
87.2	294
32.1	295	[[image:image-20220602104251-10.png]]
	296
87.2	297
32.1	298	[[image:image-20220602104402-11.png]]
	299
	300
87.2	301
76.1	302	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	303	(% style="color:blue" %)4. Click to start the download
76.1	304
32.1	305	[[image:image-20220602104923-13.png]]
	306
	307
87.10	308
76.1	309	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	310	(% style="color:blue" %)5. Check update process
76.1	311
87.2	312
32.1	313	[[image:image-20220602104948-14.png]]
	314
	315
87.2	316
76.1	317	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	318	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	319
32.1	320	[[image:image-20220602105251-15.png]]
	321
72.1	322
	323
87.2	324	= 3. LA66 USB LoRaWAN Adapter =
6.1	325
7.1	326
87.2	327	== 3.1 Overview ==
	328
100.3	329
93.1	330	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	331
100.3	332
100.5	333	(((
91.1	334	(% 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	335	)))
52.1	336
100.5	337	(((
90.1	338	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 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	339	)))
73.1	340
100.5	341	(((
90.1	342	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	343	)))
90.1	344
100.5	345	(((
90.1	346	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	347	)))
90.1	348
100.5	349	(((
90.1	350	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	351	)))
90.1	352
	353
100.3	354
87.2	355	== 3.2 Features ==
73.1	356
	357	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	358	* Ultra-long RF range
	359	* Support LoRaWAN v1.0.4 protocol
	360	* Support peer-to-peer protocol
	361	* TCXO crystal to ensure RF performance on low temperature
	362	* Spring RF antenna
	363	* Available in different frequency LoRaWAN frequency bands.
	364	* World-wide unique OTAA keys.
	365	* AT Command via UART-TTL interface
	366	* Firmware upgradable via UART interface
93.3	367	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	368
100.2	369
101.3	370
87.3	371	== 3.3 Specification ==
73.1	372
	373	* CPU: 32-bit 48 MHz
	374	* Flash: 256KB
	375	* RAM: 64KB
	376	* Input Power Range: 5v
	377	* Frequency Range: 150 MHz ~~ 960 MHz
	378	* Maximum Power +22 dBm constant RF output
	379	* High sensitivity: -148 dBm
	380	* Temperature:
	381	** Storage: -55 ~~ +125℃
	382	** Operating: -40 ~~ +85℃
	383	* Humidity:
	384	** Storage: 5 ~~ 95% (Non-Condensing)
	385	** Operating: 10 ~~ 95% (Non-Condensing)
	386	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	387	* LoRa Rx current: <9 mA
	388
100.2	389
101.3	390
87.3	391	== 3.4 Pin Mapping & LED ==
7.1	392
	393
87.3	394
	395	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	396
	397
100.5	398	(((
78.2	399	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	400	)))
58.1	401
	402
87.3	403	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	404
	405
78.2	406	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	407
87.3	408
58.1	409	Open the serial port tool
	410
	411	[[image:image-20220602161617-8.png]]
	412
78.2	413	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	414
	415
	416
87.3	417	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	418
78.2	419	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	420
87.3	421
78.2	422	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	423
78.2	424
	425
87.3	426	(% style="color:blue" %)3. See Uplink Command
78.2	427
87.3	428	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	429
58.1	430	example: AT+SENDB=01,02,8,05820802581ea0a5
	431
78.2	432	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	433
	434
	435
87.3	436	(% style="color:blue" %)4. Check to see if TTN received the message
	437
78.2	438	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	439
	440
	441
87.3	442	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	443
87.3	444
87.1	445	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	446
	447
87.3	448	(% style="color:red" %)Preconditions:
81.1	449
87.3	450	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	451
87.3	452	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	453
	454
	455
87.3	456	(% style="color:blue" %)Steps for usage:
	457
	458	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	459
	460	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	461
81.1	462	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	463
	464
	465
87.4	466	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	467
87.4	468
79.1	469	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	470
79.1	471
87.5	472	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	473
78.2	474	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	475
52.1	476
	477
87.4	478	(% style="color:blue" %)2. Install Minicom in RPi.
	479
79.1	480	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	481
87.4	482	(% style="background-color:yellow" %)apt update
52.1	483
87.4	484	(% style="background-color:yellow" %)apt install minicom
52.1	485
	486
79.1	487	Use minicom to connect to the RPI's terminal
52.1	488
79.1	489	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	490
	491
87.4	492
87.11	493	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	494
87.11	495	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	496
	497
79.1	498	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	499
	500
	501
87.4	502	(% style="color:blue" %)4. Send Uplink message
46.1	503
87.5	504	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	505
79.1	506	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	507
87.4	508
79.1	509	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	510
87.4	511
	512
79.1	513	Check to see if TTN received the message
	514
	515	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	516
	517
	518
87.4	519	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	520
13.1	521
63.1	522
87.4	523	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	524
	525
	526
	527
87.4	528	= 4. Order Info =
73.1	529
87.4	530
87.5	531	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	532
	533
87.5	534	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	535
87.5	536	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	537	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	538	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	539	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	540	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	541	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	542	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	543	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	544	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	545
87.4	546	= 5. Reference =
	547
78.1	548	* 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

Applications

Navigation