Wiki source code of LA66 LoRaWAN Module

Version 96.1 by Xiaoling on 2022/07/18 09:47

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	(((
88.2	16	[[image:image-20220715000242-1.png\|\|height="110" width="132"]]
	17
65.1	18	(% 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	19	)))
1.1	20
87.15	21	(((
65.1	22	(% 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	23	)))
1.1	24
87.15	25	(((
65.1	26	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	27	)))
1.1	28
87.15	29	(((
65.1	30	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	31	)))
1.1	32
87.15	33	(((
65.1	34	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	35	)))
1.1	36
67.1	37
87.2	38	== 1.2 Features ==
64.1	39
68.1	40	* Support LoRaWAN v1.0.4 protocol
	41	* Support peer-to-peer protocol
	42	* TCXO crystal to ensure RF performance on low temperature
	43	* SMD Antenna pad and i-pex antenna connector
	44	* Available in different frequency LoRaWAN frequency bands.
	45	* World-wide unique OTAA keys.
69.1	46	* AT Command via UART-TTL interface
	47	* Firmware upgradable via UART interface
	48	* Ultra-long RF range
64.1	49
93.2	50
87.2	51	== 1.3 Specification ==
	52
68.1	53	* CPU: 32-bit 48 MHz
	54	* Flash: 256KB
	55	* RAM: 64KB
66.1	56	* Input Power Range: 1.8v ~~ 3.7v
	57	* Power Consumption: < 4uA.
	58	* Frequency Range: 150 MHz ~~ 960 MHz
	59	* Maximum Power +22 dBm constant RF output
	60	* High sensitivity: -148 dBm
	61	* Temperature:
	62	** Storage: -55 ~~ +125℃
	63	** Operating: -40 ~~ +85℃
	64	* Humidity:
	65	** Storage: 5 ~~ 95% (Non-Condensing)
	66	** Operating: 10 ~~ 95% (Non-Condensing)
	67	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	68	* LoRa Rx current: <9 mA
	69	* I/O Voltage: 3.3v
1.1	70
93.2	71
87.2	72	== 1.4 AT Command ==
	73
66.1	74	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	75
3.1	76
87.2	77	== 1.5 Dimension ==
3.1	78
66.1	79	[[image:image-20220517072526-1.png]]
3.1	80
	81
5.1	82
87.2	83	== 1.6 Pin Mapping ==
	84
	85
10.2	86	[[image:image-20220523101537-1.png]]
5.1	87
	88
87.2	89
	90	== 1.7 Land Pattern ==
	91
5.1	92	[[image:image-20220517072821-2.png]]
	93
	94
	95
87.2	96	= 2. LA66 LoRaWAN Shield =
6.1	97
	98
87.2	99	== 2.1 Overview ==
	100
90.1	101
	102	[[image:image-20220715000826-2.png\|\|height="386" width="449"]]
	103
	104
71.1	105	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.
	106
90.1	107	(((
	108	(% 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.
	109	)))
71.1	110
90.1	111	(((
	112	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	113	)))
	114
	115	(((
	116	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.
	117	)))
	118
	119	(((
	120	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	121	)))
	122
	123
87.2	124	== 2.2 Features ==
71.1	125
	126	* Arduino Shield base on LA66 LoRaWAN module
	127	* Support LoRaWAN v1.0.4 protocol
	128	* Support peer-to-peer protocol
	129	* TCXO crystal to ensure RF performance on low temperature
	130	* SMA connector
	131	* Available in different frequency LoRaWAN frequency bands.
	132	* World-wide unique OTAA keys.
	133	* AT Command via UART-TTL interface
	134	* Firmware upgradable via UART interface
	135	* Ultra-long RF range
	136
93.2	137
87.2	138	== 2.3 Specification ==
	139
71.1	140	* CPU: 32-bit 48 MHz
	141	* Flash: 256KB
	142	* RAM: 64KB
	143	* Input Power Range: 1.8v ~~ 3.7v
	144	* Power Consumption: < 4uA.
	145	* Frequency Range: 150 MHz ~~ 960 MHz
	146	* Maximum Power +22 dBm constant RF output
	147	* High sensitivity: -148 dBm
	148	* Temperature:
	149	** Storage: -55 ~~ +125℃
	150	** Operating: -40 ~~ +85℃
	151	* Humidity:
	152	** Storage: 5 ~~ 95% (Non-Condensing)
	153	** Operating: 10 ~~ 95% (Non-Condensing)
	154	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	155	* LoRa Rx current: <9 mA
	156	* I/O Voltage: 3.3v
	157
93.2	158
87.2	159	== 2.4 Pin Mapping & LED ==
11.1	160
	161
	162
87.2	163	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	164
	165
87.2	166
	167	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	168
	169
	170
	171	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	172
	173
	174
	175	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	176
	177
	178	=== 2.8.1 Items needed for update ===
	179
74.1	180	1. LA66 LoRaWAN Shield
	181	1. Arduino
	182	1. USB TO TTL Adapter
13.1	183
75.1	184	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	185
	186
87.2	187	=== 2.8.2 Connection ===
20.1	188
87.2	189
75.1	190	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	191
	192
87.17	193	(((
87.2	194	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	195	)))
87.2	196
87.16	197	(((
87.2	198	(% style="background-color:yellow" %)**GND <-> GND
87.8	199	TXD <-> TXD
	200	RXD <-> RXD**
87.16	201	)))
87.2	202
	203
77.1	204	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	205
75.1	206	Connect USB TTL Adapter to PC after connecting the wires
20.1	207
	208
75.1	209	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	210
	211
87.2	212	=== 2.8.3 Upgrade steps ===
20.1	213
	214
87.2	215	==== 1. Switch SW1 to put in ISP position ====
	216
	217
75.1	218	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	219
	220
87.9	221
87.2	222	==== 2. Press the RST switch once ====
32.1	223
87.10	224
75.1	225	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	226
75.1	227
87.9	228
87.2	229	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	230
39.1	231
87.18	232	(((
87.2	233	(% 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	234	)))
87.2	235
	236
32.1	237	[[image:image-20220602103227-6.png]]
	238
87.2	239
32.1	240	[[image:image-20220602103357-7.png]]
	241
	242
87.2	243
76.1	244	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	245	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	246
87.2	247
32.1	248	[[image:image-20220602103844-8.png]]
	249
	250
87.2	251
76.1	252	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	253	(% style="color:blue" %)3. Select the bin file to burn
76.1	254
87.2	255
32.1	256	[[image:image-20220602104144-9.png]]
	257
87.2	258
32.1	259	[[image:image-20220602104251-10.png]]
	260
87.2	261
32.1	262	[[image:image-20220602104402-11.png]]
	263
	264
87.2	265
76.1	266	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	267	(% style="color:blue" %)4. Click to start the download
76.1	268
32.1	269	[[image:image-20220602104923-13.png]]
	270
	271
87.10	272
76.1	273	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	274	(% style="color:blue" %)5. Check update process
76.1	275
87.2	276
32.1	277	[[image:image-20220602104948-14.png]]
	278
	279
87.2	280
76.1	281	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	282	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	283
32.1	284	[[image:image-20220602105251-15.png]]
	285
72.1	286
	287
87.2	288	= 3. LA66 USB LoRaWAN Adapter =
6.1	289
7.1	290
87.2	291	== 3.1 Overview ==
	292
93.1	293	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	294
91.1	295	(% 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.
52.1	296
90.1	297	(% 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.
73.1	298
90.1	299	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	300
	301	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.
	302
	303	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	304
	305
87.2	306	== 3.2 Features ==
73.1	307
	308	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	309	* Ultra-long RF range
	310	* Support LoRaWAN v1.0.4 protocol
	311	* Support peer-to-peer protocol
	312	* TCXO crystal to ensure RF performance on low temperature
	313	* Spring RF antenna
	314	* Available in different frequency LoRaWAN frequency bands.
	315	* World-wide unique OTAA keys.
	316	* AT Command via UART-TTL interface
	317	* Firmware upgradable via UART interface
93.3	318	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	319
93.2	320
87.3	321	== 3.3 Specification ==
73.1	322
	323	* CPU: 32-bit 48 MHz
	324	* Flash: 256KB
	325	* RAM: 64KB
	326	* Input Power Range: 5v
	327	* Frequency Range: 150 MHz ~~ 960 MHz
	328	* Maximum Power +22 dBm constant RF output
	329	* High sensitivity: -148 dBm
	330	* Temperature:
	331	** Storage: -55 ~~ +125℃
	332	** Operating: -40 ~~ +85℃
	333	* Humidity:
	334	** Storage: 5 ~~ 95% (Non-Condensing)
	335	** Operating: 10 ~~ 95% (Non-Condensing)
	336	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	337	* LoRa Rx current: <9 mA
	338
93.2	339
87.3	340	== 3.4 Pin Mapping & LED ==
7.1	341
	342
87.3	343
	344	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	345
	346
78.2	347	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	348
	349
87.3	350	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	351
	352
78.2	353	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	354
87.3	355
58.1	356	Open the serial port tool
	357
	358	[[image:image-20220602161617-8.png]]
	359
78.2	360	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	361
	362
	363
87.3	364	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	365
78.2	366	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	367
87.3	368
78.2	369	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	370
78.2	371
	372
87.3	373	(% style="color:blue" %)3. See Uplink Command
78.2	374
87.3	375	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	376
58.1	377	example: AT+SENDB=01,02,8,05820802581ea0a5
	378
78.2	379	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	380
	381
	382
87.3	383	(% style="color:blue" %)4. Check to see if TTN received the message
	384
78.2	385	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	386
	387
	388
87.3	389	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	390
87.3	391
87.1	392	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	393
	394
87.3	395	(% style="color:red" %)Preconditions:
81.1	396
87.3	397	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	398
87.3	399	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	400
	401
	402
87.3	403	(% style="color:blue" %)Steps for usage:
	404
	405	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	406
	407	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	408
81.1	409	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	410
	411
	412
87.4	413	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	414
87.4	415
79.1	416	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	417
79.1	418
87.5	419	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	420
78.2	421	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	422
52.1	423
	424
87.4	425	(% style="color:blue" %)2. Install Minicom in RPi.
	426
79.1	427	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	428
87.4	429	(% style="background-color:yellow" %)apt update
52.1	430
87.4	431	(% style="background-color:yellow" %)apt install minicom
52.1	432
	433
79.1	434	Use minicom to connect to the RPI's terminal
52.1	435
79.1	436	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	437
	438
87.4	439
87.11	440	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	441
87.11	442	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	443
	444
79.1	445	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	446
	447
	448
87.4	449	(% style="color:blue" %)4. Send Uplink message
46.1	450
87.5	451	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	452
79.1	453	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	454
87.4	455
79.1	456	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	457
87.4	458
	459
79.1	460	Check to see if TTN received the message
	461
	462	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	463
	464
	465
87.4	466	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	467
13.1	468
63.1	469
87.4	470	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	471
	472
	473
	474
87.4	475	= 4. Order Info =
73.1	476
87.4	477
87.5	478	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	479
	480
87.5	481	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	482
87.5	483	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	484	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	485	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	486	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	487	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	488	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	489	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	490	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	491	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	492
87.4	493	= 5. Reference =
	494
78.1	495	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	496
90.1	497

Wiki source code of LA66 LoRaWAN Module

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