Wiki source code of LA66 LoRaWAN Module

Version 100.6 by Xiaoling on 2022/07/19 11:49

version	line-number	content
87.2	1
	2
87.13	3	Table of Contents:
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1.1	5	{{toc/}}
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	7
6.1	8
87.2	9	= 1. LA66 LoRaWAN Module =
	10
	11
	12	== 1.1 What is LA66 LoRaWAN Module ==
	13
	14
87.15	15	(((
100.2	16	(((
	17	[[image:image-20220719093358-2.png\|\|height="145" width="220"]](% style="color:blue" %)
	18	)))
88.2	19
100.2	20	(((
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	22	)))
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	24	(((
65.1	25	(% style="color:blue" %)Dragino LA66(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
87.15	26	)))
100.2	27	)))
1.1	28
87.15	29	(((
100.2	30	(((
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
	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
	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
	104
100.2	105	[[image:image-20220719093156-1.png]]
5.1	106
	107
87.2	108
	109	== 1.7 Land Pattern ==
	110
5.1	111	[[image:image-20220517072821-2.png]]
	112
	113
	114
87.2	115	= 2. LA66 LoRaWAN Shield =
6.1	116
	117
87.2	118	== 2.1 Overview ==
	119
90.1	120
100.2	121	(((
	122	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	123	)))
90.1	124
100.2	125	(((
	126
	127	)))
	128
	129	(((
100.4	130	(% 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	131	)))
71.1	132
90.1	133	(((
100.2	134	(((
	135	(% 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	136	)))
100.2	137	)))
71.1	138
90.1	139	(((
100.2	140	(((
90.1	141	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	142	)))
100.2	143	)))
90.1	144
	145	(((
100.2	146	(((
90.1	147	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.
	148	)))
100.2	149	)))
90.1	150
	151	(((
100.2	152	(((
90.1	153	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	154	)))
100.2	155	)))
90.1	156
	157
100.2	158
87.2	159	== 2.2 Features ==
71.1	160
	161	* Arduino Shield base on LA66 LoRaWAN module
	162	* Support LoRaWAN v1.0.4 protocol
	163	* Support peer-to-peer protocol
	164	* TCXO crystal to ensure RF performance on low temperature
	165	* SMA connector
	166	* Available in different frequency LoRaWAN frequency bands.
	167	* World-wide unique OTAA keys.
	168	* AT Command via UART-TTL interface
	169	* Firmware upgradable via UART interface
	170	* Ultra-long RF range
	171
100.6	172
	173
87.2	174	== 2.3 Specification ==
	175
71.1	176	* CPU: 32-bit 48 MHz
	177	* Flash: 256KB
	178	* RAM: 64KB
	179	* Input Power Range: 1.8v ~~ 3.7v
	180	* Power Consumption: < 4uA.
	181	* Frequency Range: 150 MHz ~~ 960 MHz
	182	* Maximum Power +22 dBm constant RF output
	183	* High sensitivity: -148 dBm
	184	* Temperature:
	185	** Storage: -55 ~~ +125℃
	186	** Operating: -40 ~~ +85℃
	187	* Humidity:
	188	** Storage: 5 ~~ 95% (Non-Condensing)
	189	** Operating: 10 ~~ 95% (Non-Condensing)
	190	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	191	* LoRa Rx current: <9 mA
	192	* I/O Voltage: 3.3v
	193
100.6	194
	195
87.2	196	== 2.4 Pin Mapping & LED ==
11.1	197
	198
	199
87.2	200	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	201
	202
87.2	203
	204	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	205
	206
	207
	208	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	209
	210
	211
	212	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	213
	214
	215	=== 2.8.1 Items needed for update ===
	216
74.1	217	1. LA66 LoRaWAN Shield
	218	1. Arduino
	219	1. USB TO TTL Adapter
13.1	220
75.1	221	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	222
	223
87.2	224	=== 2.8.2 Connection ===
20.1	225
87.2	226
75.1	227	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	228
	229
87.17	230	(((
87.2	231	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	232	)))
87.2	233
87.16	234	(((
87.2	235	(% style="background-color:yellow" %)**GND <-> GND
87.8	236	TXD <-> TXD
	237	RXD <-> RXD**
87.16	238	)))
87.2	239
	240
77.1	241	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	242
75.1	243	Connect USB TTL Adapter to PC after connecting the wires
20.1	244
	245
75.1	246	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	247
	248
87.2	249	=== 2.8.3 Upgrade steps ===
20.1	250
	251
87.2	252	==== 1. Switch SW1 to put in ISP position ====
	253
	254
75.1	255	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	256
	257
87.9	258
87.2	259	==== 2. Press the RST switch once ====
32.1	260
87.10	261
75.1	262	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	263
75.1	264
87.9	265
87.2	266	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	267
39.1	268
87.18	269	(((
87.2	270	(% 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	271	)))
87.2	272
	273
32.1	274	[[image:image-20220602103227-6.png]]
	275
87.2	276
32.1	277	[[image:image-20220602103357-7.png]]
	278
	279
87.2	280
76.1	281	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	282	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	283
87.2	284
32.1	285	[[image:image-20220602103844-8.png]]
	286
	287
87.2	288
76.1	289	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	290	(% style="color:blue" %)3. Select the bin file to burn
76.1	291
87.2	292
32.1	293	[[image:image-20220602104144-9.png]]
	294
87.2	295
32.1	296	[[image:image-20220602104251-10.png]]
	297
87.2	298
32.1	299	[[image:image-20220602104402-11.png]]
	300
	301
87.2	302
76.1	303	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	304	(% style="color:blue" %)4. Click to start the download
76.1	305
32.1	306	[[image:image-20220602104923-13.png]]
	307
	308
87.10	309
76.1	310	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	311	(% style="color:blue" %)5. Check update process
76.1	312
87.2	313
32.1	314	[[image:image-20220602104948-14.png]]
	315
	316
87.2	317
76.1	318	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	319	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	320
32.1	321	[[image:image-20220602105251-15.png]]
	322
72.1	323
	324
87.2	325	= 3. LA66 USB LoRaWAN Adapter =
6.1	326
7.1	327
87.2	328	== 3.1 Overview ==
	329
100.3	330
93.1	331	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	332
100.3	333
100.5	334	(((
91.1	335	(% 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	336	)))
52.1	337
100.5	338	(((
90.1	339	(% 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	340	)))
73.1	341
100.5	342	(((
90.1	343	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	344	)))
90.1	345
100.5	346	(((
90.1	347	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	348	)))
90.1	349
100.5	350	(((
90.1	351	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	352	)))
90.1	353
	354
100.3	355
87.2	356	== 3.2 Features ==
73.1	357
	358	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	359	* Ultra-long RF range
	360	* Support LoRaWAN v1.0.4 protocol
	361	* Support peer-to-peer protocol
	362	* TCXO crystal to ensure RF performance on low temperature
	363	* Spring RF antenna
	364	* Available in different frequency LoRaWAN frequency bands.
	365	* World-wide unique OTAA keys.
	366	* AT Command via UART-TTL interface
	367	* Firmware upgradable via UART interface
93.3	368	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	369
100.2	370
100.5	371
87.3	372	== 3.3 Specification ==
73.1	373
	374	* CPU: 32-bit 48 MHz
	375	* Flash: 256KB
	376	* RAM: 64KB
	377	* Input Power Range: 5v
	378	* Frequency Range: 150 MHz ~~ 960 MHz
	379	* Maximum Power +22 dBm constant RF output
	380	* High sensitivity: -148 dBm
	381	* Temperature:
	382	** Storage: -55 ~~ +125℃
	383	** Operating: -40 ~~ +85℃
	384	* Humidity:
	385	** Storage: 5 ~~ 95% (Non-Condensing)
	386	** Operating: 10 ~~ 95% (Non-Condensing)
	387	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	388	* LoRa Rx current: <9 mA
	389
100.2	390
100.5	391
87.3	392	== 3.4 Pin Mapping & LED ==
7.1	393
	394
87.3	395
	396	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	397
	398
100.5	399	(((
78.2	400	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	401	)))
58.1	402
	403
87.3	404	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	405
	406
78.2	407	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	408
87.3	409
58.1	410	Open the serial port tool
	411
	412	[[image:image-20220602161617-8.png]]
	413
78.2	414	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	415
	416
	417
87.3	418	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	419
78.2	420	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	421
87.3	422
78.2	423	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	424
78.2	425
	426
87.3	427	(% style="color:blue" %)3. See Uplink Command
78.2	428
87.3	429	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	430
58.1	431	example: AT+SENDB=01,02,8,05820802581ea0a5
	432
78.2	433	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	434
	435
	436
87.3	437	(% style="color:blue" %)4. Check to see if TTN received the message
	438
78.2	439	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	440
	441
	442
87.3	443	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	444
87.3	445
87.1	446	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	447
	448
87.3	449	(% style="color:red" %)Preconditions:
81.1	450
87.3	451	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	452
87.3	453	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	454
	455
	456
87.3	457	(% style="color:blue" %)Steps for usage:
	458
	459	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	460
	461	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	462
81.1	463	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	464
	465
	466
87.4	467	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	468
87.4	469
79.1	470	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	471
79.1	472
87.5	473	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	474
78.2	475	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	476
52.1	477
	478
87.4	479	(% style="color:blue" %)2. Install Minicom in RPi.
	480
79.1	481	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	482
87.4	483	(% style="background-color:yellow" %)apt update
52.1	484
87.4	485	(% style="background-color:yellow" %)apt install minicom
52.1	486
	487
79.1	488	Use minicom to connect to the RPI's terminal
52.1	489
79.1	490	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	491
	492
87.4	493
87.11	494	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	495
87.11	496	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	497
	498
79.1	499	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	500
	501
	502
87.4	503	(% style="color:blue" %)4. Send Uplink message
46.1	504
87.5	505	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	506
79.1	507	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	508
87.4	509
79.1	510	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	511
87.4	512
	513
79.1	514	Check to see if TTN received the message
	515
	516	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	517
	518
	519
87.4	520	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	521
13.1	522
63.1	523
87.4	524	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	525
	526
	527
	528
87.4	529	= 4. Order Info =
73.1	530
87.4	531
87.5	532	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	533
	534
87.5	535	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	536
87.5	537	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	538	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	539	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	540	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	541	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	542	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	543	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	544	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	545	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	546
100.3	547
87.4	548	= 5. Reference =
	549
78.1	550	* 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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