Wiki source code of LA66 LoRaWAN Module

Version 87.19 by Xiaoling on 2022/07/13 10:33

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	(((
65.1	16	(% 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	17	)))
1.1	18
87.15	19	(((
65.1	20	(% 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	21	)))
1.1	22
87.15	23	(((
65.1	24	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	25	)))
1.1	26
87.15	27	(((
65.1	28	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	29	)))
1.1	30
87.15	31	(((
65.1	32	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	33	)))
1.1	34
67.1	35
87.2	36	== 1.2 Features ==
64.1	37
68.1	38	* Support LoRaWAN v1.0.4 protocol
	39	* Support peer-to-peer protocol
	40	* TCXO crystal to ensure RF performance on low temperature
	41	* SMD Antenna pad and i-pex antenna connector
	42	* Available in different frequency LoRaWAN frequency bands.
	43	* World-wide unique OTAA keys.
69.1	44	* AT Command via UART-TTL interface
	45	* Firmware upgradable via UART interface
	46	* Ultra-long RF range
64.1	47
87.7	48
87.14	49
87.2	50	== 1.3 Specification ==
	51
68.1	52	* CPU: 32-bit 48 MHz
	53	* Flash: 256KB
	54	* RAM: 64KB
66.1	55	* Input Power Range: 1.8v ~~ 3.7v
	56	* Power Consumption: < 4uA.
	57	* Frequency Range: 150 MHz ~~ 960 MHz
	58	* Maximum Power +22 dBm constant RF output
	59	* High sensitivity: -148 dBm
	60	* Temperature:
	61	** Storage: -55 ~~ +125℃
	62	** Operating: -40 ~~ +85℃
	63	* Humidity:
	64	** Storage: 5 ~~ 95% (Non-Condensing)
	65	** Operating: 10 ~~ 95% (Non-Condensing)
	66	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	67	* LoRa Rx current: <9 mA
	68	* I/O Voltage: 3.3v
1.1	69
87.7	70
87.14	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]]
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	94
	95
87.2	96	= 2. LA66 LoRaWAN Shield =
6.1	97
	98
87.2	99	== 2.1 Overview ==
	100
71.1	101	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.
	102
	103
87.2	104	== 2.2 Features ==
71.1	105
	106	* Arduino Shield base on LA66 LoRaWAN module
	107	* Support LoRaWAN v1.0.4 protocol
	108	* Support peer-to-peer protocol
	109	* TCXO crystal to ensure RF performance on low temperature
	110	* SMA connector
	111	* Available in different frequency LoRaWAN frequency bands.
	112	* World-wide unique OTAA keys.
	113	* AT Command via UART-TTL interface
	114	* Firmware upgradable via UART interface
	115	* Ultra-long RF range
	116
87.8	117
87.14	118
87.2	119	== 2.3 Specification ==
	120
71.1	121	* CPU: 32-bit 48 MHz
	122	* Flash: 256KB
	123	* RAM: 64KB
	124	* Input Power Range: 1.8v ~~ 3.7v
	125	* Power Consumption: < 4uA.
	126	* Frequency Range: 150 MHz ~~ 960 MHz
	127	* Maximum Power +22 dBm constant RF output
	128	* High sensitivity: -148 dBm
	129	* Temperature:
	130	** Storage: -55 ~~ +125℃
	131	** Operating: -40 ~~ +85℃
	132	* Humidity:
	133	** Storage: 5 ~~ 95% (Non-Condensing)
	134	** Operating: 10 ~~ 95% (Non-Condensing)
	135	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	136	* LoRa Rx current: <9 mA
	137	* I/O Voltage: 3.3v
	138
87.8	139
87.14	140
87.2	141	== 2.4 Pin Mapping & LED ==
11.1	142
	143
	144
87.2	145	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	146
	147
87.2	148
	149	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	150
	151
	152
	153	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	154
	155
	156
	157	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	158
	159
	160	=== 2.8.1 Items needed for update ===
	161
74.1	162	1. LA66 LoRaWAN Shield
	163	1. Arduino
	164	1. USB TO TTL Adapter
13.1	165
87.14	166
	167
	168
75.1	169	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	170
	171
87.2	172	=== 2.8.2 Connection ===
20.1	173
87.2	174
75.1	175	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	176
	177
87.17	178	(((
87.2	179	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	180	)))
87.2	181
87.16	182	(((
87.2	183	(% style="background-color:yellow" %)**GND <-> GND
87.8	184	TXD <-> TXD
	185	RXD <-> RXD**
87.16	186	)))
87.2	187
	188
77.1	189	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	190
75.1	191	Connect USB TTL Adapter to PC after connecting the wires
20.1	192
	193
75.1	194	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	195
	196
87.2	197	=== 2.8.3 Upgrade steps ===
20.1	198
	199
87.2	200	==== 1. Switch SW1 to put in ISP position ====
	201
	202
75.1	203	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	204
	205
87.9	206
87.2	207	==== 2. Press the RST switch once ====
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87.10	209
75.1	210	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	211
75.1	212
87.9	213
87.2	214	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	215
39.1	216
87.18	217	(((
87.2	218	(% 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	219	)))
87.2	220
	221
32.1	222	[[image:image-20220602103227-6.png]]
	223
87.2	224
32.1	225	[[image:image-20220602103357-7.png]]
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87.2	228
76.1	229	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	230	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	231
87.2	232
32.1	233	[[image:image-20220602103844-8.png]]
	234
	235
87.2	236
76.1	237	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	238	(% style="color:blue" %)3. Select the bin file to burn
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87.2	240
32.1	241	[[image:image-20220602104144-9.png]]
	242
87.2	243
32.1	244	[[image:image-20220602104251-10.png]]
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87.2	246
32.1	247	[[image:image-20220602104402-11.png]]
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87.2	250
76.1	251	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	252	(% style="color:blue" %)4. Click to start the download
76.1	253
32.1	254	[[image:image-20220602104923-13.png]]
	255
	256
87.10	257
76.1	258	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	259	(% style="color:blue" %)5. Check update process
76.1	260
87.2	261
32.1	262	[[image:image-20220602104948-14.png]]
	263
	264
87.2	265
76.1	266	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	267	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	268
32.1	269	[[image:image-20220602105251-15.png]]
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72.1	271
	272
87.2	273	= 3. LA66 USB LoRaWAN Adapter =
6.1	274
7.1	275
87.2	276	== 3.1 Overview ==
	277
73.1	278	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	279
73.1	280
87.2	281	== 3.2 Features ==
73.1	282
	283	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	284	* Ultra-long RF range
	285	* Support LoRaWAN v1.0.4 protocol
	286	* Support peer-to-peer protocol
	287	* TCXO crystal to ensure RF performance on low temperature
	288	* Spring RF antenna
	289	* Available in different frequency LoRaWAN frequency bands.
	290	* World-wide unique OTAA keys.
	291	* AT Command via UART-TTL interface
	292	* Firmware upgradable via UART interface
	293
87.10	294
87.14	295
87.3	296	== 3.3 Specification ==
73.1	297
	298	* CPU: 32-bit 48 MHz
	299	* Flash: 256KB
	300	* RAM: 64KB
	301	* Input Power Range: 5v
	302	* Frequency Range: 150 MHz ~~ 960 MHz
	303	* Maximum Power +22 dBm constant RF output
	304	* High sensitivity: -148 dBm
	305	* Temperature:
	306	** Storage: -55 ~~ +125℃
	307	** Operating: -40 ~~ +85℃
	308	* Humidity:
	309	** Storage: 5 ~~ 95% (Non-Condensing)
	310	** Operating: 10 ~~ 95% (Non-Condensing)
	311	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	312	* LoRa Rx current: <9 mA
	313
87.10	314
87.14	315
87.3	316	== 3.4 Pin Mapping & LED ==
7.1	317
	318
87.3	319
	320	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	321
	322
78.2	323	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	324
	325
87.3	326	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	327
	328
78.2	329	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	330
87.3	331
58.1	332	Open the serial port tool
	333
	334	[[image:image-20220602161617-8.png]]
	335
78.2	336	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	337
	338
	339
87.3	340	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	341
78.2	342	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	343
87.3	344
78.2	345	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	346
78.2	347
	348
87.3	349	(% style="color:blue" %)3. See Uplink Command
78.2	350
87.3	351	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	352
58.1	353	example: AT+SENDB=01,02,8,05820802581ea0a5
	354
78.2	355	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	356
	357
	358
87.3	359	(% style="color:blue" %)4. Check to see if TTN received the message
	360
78.2	361	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	362
	363
	364
87.3	365	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	366
87.3	367
87.1	368	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]]
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	370
87.3	371	(% style="color:red" %)Preconditions:
81.1	372
87.3	373	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
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87.3	375	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
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	377
	378
87.3	379	(% style="color:blue" %)Steps for usage:
	380
	381	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	382
	383	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	384
81.1	385	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	386
	387
	388
87.4	389	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	390
87.4	391
79.1	392	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	393
79.1	394
87.5	395	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	396
78.2	397	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	398
52.1	399
	400
87.4	401	(% style="color:blue" %)2. Install Minicom in RPi.
	402
79.1	403	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	404
87.4	405	(% style="background-color:yellow" %)apt update
52.1	406
87.4	407	(% style="background-color:yellow" %)apt install minicom
52.1	408
	409
79.1	410	Use minicom to connect to the RPI's terminal
52.1	411
79.1	412	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	413
	414
87.4	415
87.11	416	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	417
87.11	418	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	419
	420
79.1	421	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	422
	423
	424
87.4	425	(% style="color:blue" %)4. Send Uplink message
46.1	426
87.5	427	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	428
79.1	429	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	430
87.4	431
79.1	432	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	433
87.4	434
	435
79.1	436	Check to see if TTN received the message
	437
	438	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	439
	440
	441
87.4	442	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	443
13.1	444
63.1	445
87.4	446	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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	448
	449
	450
87.4	451	= 4. Order Info =
73.1	452
87.4	453
87.5	454	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	455
	456
87.5	457	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	458
87.5	459	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	460	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	461	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	462	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	463	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	464	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	465	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	466	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	467	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	468
78.1	469
87.4	470
	471	= 5. Reference =
	472
78.1	473	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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79.1	475

Wiki source code of LA66 LoRaWAN Module

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