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100	100	== 1.6  Pin Mapping ==
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102		-[[image:image-20220720111850-1.png]]
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	104	+[[image:image-20220719093156-1.png]]
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106	106	== 1.7  Land Pattern ==
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108	108	[[image:image-20220517072821-2.png]]
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213	213	1. Arduino
214	214	1. USB TO TTL Adapter
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216	216	[[image:image-20220602100052-2.png||height="385" width="600"]]
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326	326	[[image:image-20220715001142-3.png||height="145" width="220"]]
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330	330	(% 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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334	334	(% 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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338	338	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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342	342	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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346	346	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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389	389	== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
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393	393	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
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397	397	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
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537	537	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
538	538	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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540	540	= 5.  Reference =
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542	542	* 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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