Wiki source code of LA66 LoRaWAN Module

Version 90.1 by Edwin Chen on 2022/07/15 00:10

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
87.7	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
87.7	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
87.8	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
87.8	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
87.14	184
	185
75.1	186	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	187
	188
87.2	189	=== 2.8.2 Connection ===
20.1	190
87.2	191
75.1	192	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	193
	194
87.17	195	(((
87.2	196	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	197	)))
87.2	198
87.16	199	(((
87.2	200	(% style="background-color:yellow" %)**GND <-> GND
87.8	201	TXD <-> TXD
	202	RXD <-> RXD**
87.16	203	)))
87.2	204
	205
77.1	206	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	207
75.1	208	Connect USB TTL Adapter to PC after connecting the wires
20.1	209
	210
75.1	211	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	212
	213
87.2	214	=== 2.8.3 Upgrade steps ===
20.1	215
	216
87.2	217	==== 1. Switch SW1 to put in ISP position ====
	218
	219
75.1	220	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	221
	222
87.9	223
87.2	224	==== 2. Press the RST switch once ====
32.1	225
87.10	226
75.1	227	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	228
75.1	229
87.9	230
87.2	231	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	232
39.1	233
87.18	234	(((
87.2	235	(% 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	236	)))
87.2	237
	238
32.1	239	[[image:image-20220602103227-6.png]]
	240
87.2	241
32.1	242	[[image:image-20220602103357-7.png]]
	243
	244
87.2	245
76.1	246	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	247	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	248
87.2	249
32.1	250	[[image:image-20220602103844-8.png]]
	251
	252
87.2	253
76.1	254	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	255	(% style="color:blue" %)3. Select the bin file to burn
76.1	256
87.2	257
32.1	258	[[image:image-20220602104144-9.png]]
	259
87.2	260
32.1	261	[[image:image-20220602104251-10.png]]
	262
87.2	263
32.1	264	[[image:image-20220602104402-11.png]]
	265
	266
87.2	267
76.1	268	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	269	(% style="color:blue" %)4. Click to start the download
76.1	270
32.1	271	[[image:image-20220602104923-13.png]]
	272
	273
87.10	274
76.1	275	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	276	(% style="color:blue" %)5. Check update process
76.1	277
87.2	278
32.1	279	[[image:image-20220602104948-14.png]]
	280
	281
87.2	282
76.1	283	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	284	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	285
32.1	286	[[image:image-20220602105251-15.png]]
	287
72.1	288
	289
87.2	290	= 3. LA66 USB LoRaWAN Adapter =
6.1	291
7.1	292
87.2	293	== 3.1 Overview ==
	294
90.1	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	(((
	298	(% 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.
	299	)))
73.1	300
90.1	301	(((
	302	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	303	)))
	304
	305	(((
	306	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.
	307	)))
	308
	309	(((
	310	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	311	)))
	312
	313
87.2	314	== 3.2 Features ==
73.1	315
	316	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	317	* Ultra-long RF range
	318	* Support LoRaWAN v1.0.4 protocol
	319	* Support peer-to-peer protocol
	320	* TCXO crystal to ensure RF performance on low temperature
	321	* Spring RF antenna
	322	* Available in different frequency LoRaWAN frequency bands.
	323	* World-wide unique OTAA keys.
	324	* AT Command via UART-TTL interface
	325	* Firmware upgradable via UART interface
	326
87.10	327
87.3	328	== 3.3 Specification ==
73.1	329
	330	* CPU: 32-bit 48 MHz
	331	* Flash: 256KB
	332	* RAM: 64KB
	333	* Input Power Range: 5v
	334	* Frequency Range: 150 MHz ~~ 960 MHz
	335	* Maximum Power +22 dBm constant RF output
	336	* High sensitivity: -148 dBm
	337	* Temperature:
	338	** Storage: -55 ~~ +125℃
	339	** Operating: -40 ~~ +85℃
	340	* Humidity:
	341	** Storage: 5 ~~ 95% (Non-Condensing)
	342	** Operating: 10 ~~ 95% (Non-Condensing)
	343	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	344	* LoRa Rx current: <9 mA
	345
87.10	346
87.3	347	== 3.4 Pin Mapping & LED ==
7.1	348
	349
87.3	350
	351	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	352
	353
78.2	354	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	355
	356
87.3	357	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	358
	359
78.2	360	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	361
87.3	362
58.1	363	Open the serial port tool
	364
	365	[[image:image-20220602161617-8.png]]
	366
78.2	367	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	368
	369
	370
87.3	371	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	372
78.2	373	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	374
87.3	375
78.2	376	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	377
78.2	378
	379
87.3	380	(% style="color:blue" %)3. See Uplink Command
78.2	381
87.3	382	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	383
58.1	384	example: AT+SENDB=01,02,8,05820802581ea0a5
	385
78.2	386	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	387
	388
	389
87.3	390	(% style="color:blue" %)4. Check to see if TTN received the message
	391
78.2	392	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	393
	394
	395
87.3	396	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	397
87.3	398
87.1	399	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	400
	401
87.3	402	(% style="color:red" %)Preconditions:
81.1	403
87.3	404	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	405
87.3	406	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	407
	408
	409
87.3	410	(% style="color:blue" %)Steps for usage:
	411
	412	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	413
	414	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	415
81.1	416	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	417
	418
	419
87.4	420	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	421
87.4	422
79.1	423	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	424
79.1	425
87.5	426	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	427
78.2	428	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	429
52.1	430
	431
87.4	432	(% style="color:blue" %)2. Install Minicom in RPi.
	433
79.1	434	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	435
87.4	436	(% style="background-color:yellow" %)apt update
52.1	437
87.4	438	(% style="background-color:yellow" %)apt install minicom
52.1	439
	440
79.1	441	Use minicom to connect to the RPI's terminal
52.1	442
79.1	443	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	444
	445
87.4	446
87.11	447	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	448
87.11	449	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	450
	451
79.1	452	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	453
	454
	455
87.4	456	(% style="color:blue" %)4. Send Uplink message
46.1	457
87.5	458	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	459
79.1	460	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	461
87.4	462
79.1	463	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	464
87.4	465
	466
79.1	467	Check to see if TTN received the message
	468
	469	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	470
	471
	472
87.4	473	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	474
13.1	475
63.1	476
87.4	477	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	478
	479
	480
	481
87.4	482	= 4. Order Info =
73.1	483
87.4	484
87.5	485	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	486
	487
87.5	488	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	489
87.5	490	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	491	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	492	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	493	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	494	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	495	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	496	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	497	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	498	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	499
78.1	500
87.4	501	= 5. Reference =
	502
78.1	503	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	504
90.1	505

Wiki source code of LA66 LoRaWAN Module

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