not sure how specific you are about "interesting work in hardware" but this is the first thing that came to mind for me: https://www.span.io/ https://www.span.

not sure how specific you are about "interesting work in hardware" but this is the first thing that came to mind for me: https://www.span.io/ https://www.span.io/ total rethink of the humble electric panel. If this had been around when I solared up my house I would have definitely done it.... A little hard to see doing it on it's own...