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102	102	== 1.6  Pin Mapping ==
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104		-[[image:image-20220720111850-1.png]]
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	106	+[[image:image-20220719093156-1.png]]
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108	108	== 1.7  Land Pattern ==
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110	110	[[image:image-20220517072821-2.png]]
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126	126	)))
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128	128	(((
129		-(% 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.
	131	+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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217	217	1. Arduino
218	218	1. USB TO TTL Adapter
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220	220	[[image:image-20220602100052-2.png||height="385" width="600"]]
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330	330	[[image:image-20220715001142-3.png||height="145" width="220"]]
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334	334	(% 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.
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338	338	(% 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.
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342	342	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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346	346	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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350	350	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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395	395	== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
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399	399	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
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403	403	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
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543	543	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544	544	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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546	546	= 5.  Reference =
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548	548	* 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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1		-XWiki.Xiaoling

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