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65	65	* Firmware upgradable via UART interface
66	66	* Ultra-long RF range
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68	68	== 1.3  Specification ==
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91	91	== 1.4  Pin Mapping & LED ==
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94		-[[image:image-20220817085048-1.png]]
	98	+[[image:image-20220817085048-1.png||height="533" width="734"]]
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97	97	~1. The LED lights up red when there is an upstream data packet
98	98	2. When the network is successfully connected, the green light will be on for 5 seconds
99	99	3. Purple light on when receiving downlink data packets
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103	103	== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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125	125	[[image:image-20220726135239-1.png]]
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128	128	(% 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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130	130	[[image:image-20220726135356-2.png]]
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133	133	(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
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195	195	1. Arduino
196	196	1. USB TO TTL Adapter
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198	198	[[image:image-20220602100052-2.png||height="385" width="600"]]
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246	246	==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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249	249	(((
250		-(% 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/]]**
	263	+(% style="color:blue" %)**1. Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
251	251	)))
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330	330	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331	331	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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333	333	= 4.  Reference =
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336	336	* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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