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A comment on Unveiling secrets of the ESP32: creating an open-source MAC layer. Parent comment
Related, this is a neat experiment which powers a galvanically isolated circuit optically using LEDs and a solar cell: https://youtu.be/9JinSfCKuNQ?t=823&si=kBwesUsVgAGBVVwq
He didn't need to block RF though, the interface seems mechanically challenging to build into a cage.
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Related, this is a neat experiment which powers a galvanically isolated circuit optically using LEDs and a solar cell: https://youtu.be/9JinSfCKuNQ?t=823&si=kBwesUsVgAGBVVwq
He didn't need to block RF though, the interface seems mechanically challenging to build into a cage.