Wiki source code of LA66 LoRaWAN Shield User Manual

Version 149.2 by Xiaoling on 2022/08/17 08:57

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87.2	2
87.13	3	Table of Contents:
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1.1	5	{{toc/}}
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87.2	9
146.5	10	= 1. LA66 LoRaWAN Shield =
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146.5	13	== 1.1 Overview ==
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88.2	15
100.2	16	(((
	17	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
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100.4	25	(% 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.
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90.1	28	(((
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101.4	30	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.3 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.
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90.1	36	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
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90.1	42	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.
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90.1	48	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
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146.5	54	== 1.2 Features ==
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71.1	57	* Arduino Shield base on LA66 LoRaWAN module
146.10	58	* Support LoRaWAN v1.0.3 protocol
71.1	59	* Support peer-to-peer protocol
	60	* TCXO crystal to ensure RF performance on low temperature
	61	* SMA connector
	62	* Available in different frequency LoRaWAN frequency bands.
	63	* World-wide unique OTAA keys.
	64	* AT Command via UART-TTL interface
	65	* Firmware upgradable via UART interface
	66	* Ultra-long RF range
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146.5	71	== 1.3 Specification ==
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71.1	74	* CPU: 32-bit 48 MHz
	75	* Flash: 256KB
	76	* RAM: 64KB
	77	* Input Power Range: 1.8v ~~ 3.7v
	78	* Power Consumption: < 4uA.
	79	* Frequency Range: 150 MHz ~~ 960 MHz
	80	* Maximum Power +22 dBm constant RF output
	81	* High sensitivity: -148 dBm
	82	* Temperature:
	83	** Storage: -55 ~~ +125℃
	84	** Operating: -40 ~~ +85℃
	85	* Humidity:
	86	** Storage: 5 ~~ 95% (Non-Condensing)
	87	** Operating: 10 ~~ 95% (Non-Condensing)
	88	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	89	* LoRa Rx current: <9 mA
	90	* I/O Voltage: 3.3v
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148.4	94
146.6	95	== 1.4 Pin Mapping & LED ==
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147.2	98	[[image:image-20220817085048-1.png]]
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125.1	102	~1. The LED lights up red when there is an upstream data packet
	103	2. When the network is successfully connected, the green light will be on for 5 seconds
	104	3. Purple light on when receiving downlink data packets
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146.6	108	== 1.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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134.3	111	Show connection diagram：
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125.1	114	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
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134.6	118	(% style="color:blue" %)1. open Arduino IDE
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125.1	121	[[image:image-20220723170545-4.png]]
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134.6	125	(% style="color:blue" %)2. Open project
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134.7	128	LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
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137.1	130	[[image:image-20220726135239-1.png]]
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134.6	133	(% style="color:blue" %)3. Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
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137.1	135	[[image:image-20220726135356-2.png]]
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134.6	138	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
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131.1	141	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
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146.6	145	== 1.6 Example: Join TTN network and send an uplink message, get downlink message. ==
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134.6	148	(% style="color:blue" %)1. Open project
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134.7	151	Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
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131.1	154	[[image:image-20220723172502-8.png]]
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134.6	158	(% style="color:blue" %)2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
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131.1	161	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
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146.6	165	== 1.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
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134.6	168	(% style="color:blue" %)1. Open project
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134.7	171	Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
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131.1	174	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
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134.6	178	(% style="color:blue" %)2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
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131.1	181	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
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134.6	185	(% style="color:blue" %)3. Integration into Node-red via TTNV3
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133.1	187	For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
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	189	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
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146.6	193	== 1.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
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146.6	196	=== 1.8.1 Items needed for update ===
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74.1	199	1. LA66 LoRaWAN Shield
	200	1. Arduino
	201	1. USB TO TTL Adapter
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75.1	203	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
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146.6	207	=== 1.8.2 Connection ===
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75.1	210	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
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87.17	213	(((
87.2	214	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
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87.16	217	(((
87.2	218	(% style="background-color:yellow" %)**GND <-> GND
87.8	219	TXD <-> TXD
	220	RXD <-> RXD**
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77.1	224	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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75.1	226	Connect USB TTL Adapter to PC after connecting the wires
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75.1	229	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
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146.8	233	=== 1.8.3 Upgrade steps ===
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134.2	237	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
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75.1	240	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
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134.2	244	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
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148.2	247	[[image:image-20220817085447-1.png]]
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134.2	252	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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87.18	255	(((
87.2	256	(% 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/]]
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32.1	260	[[image:image-20220602103227-6.png]]
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32.1	263	[[image:image-20220602103357-7.png]]
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76.1	267	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	268	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
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32.1	271	[[image:image-20220602103844-8.png]]
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76.1	275	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	276	(% style="color:blue" %)3. Select the bin file to burn
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32.1	279	[[image:image-20220602104144-9.png]]
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32.1	282	[[image:image-20220602104251-10.png]]
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32.1	285	[[image:image-20220602104402-11.png]]
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76.1	289	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	290	(% style="color:blue" %)4. Click to start the download
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32.1	292	[[image:image-20220602104923-13.png]]
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76.1	296	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	297	(% style="color:blue" %)5. Check update process
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32.1	300	[[image:image-20220602104948-14.png]]
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76.1	304	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	305	(% style="color:blue" %)The following picture shows that the burning is successful
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32.1	307	[[image:image-20220602105251-15.png]]
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146.7	311	= 2. FAQ =
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146.7	314	== 2.1 How to Compile Source Code for LA66? ==
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146.4	317	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
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146.7	321	= 3. Order Info =
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146.7	324	Part Number: (% style="color:blue" %)LA66-LoRaWAN-Shield-XXX (%%)
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87.5	327	(% style="color:blue" %)XXX(%%): The default frequency band
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87.5	329	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	330	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	331	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	332	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	333	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	334	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	335	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	336	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	337	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
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146.7	341	= 4. Reference =
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	344	* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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Wiki source code of LA66 LoRaWAN Shield User Manual

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