ES920LRGW

https://www.s-taka.org/lora-es920lr-smt-en/

https://qiita.com/AmbientData/items/45921a419fced3ff30bd
https://qiita.com/magilabo/items/6f2346ffbe005a5345e9

https://ambidata.io/


ATmega328 Connected

https://ta2mi.hatenablog.com/entry/2019/09/18/150632

https://ta2mi.hatenablog.com/entry/2019/10/07/171134

Antenna Type

https://www.coredump.ch/2017/04/30/lorawan-868mhz-antenna-test-part-2/

Ambient

https://github.com/Agora-jp/Lora_Ambient


pdf and spesification

https://tokyodevices.jp/items/231


Data-data
https://easel5.com/documents/

Raspberry pi connected
https://ambidata.io/blog/2017/08/13/lora-2/
https://qiita.com/AmbientData/items/45921a419fced3ff30bd