Can get a very cheap used laptop or windows 8 tablet with USB on it. I used an old win 7 laptop until I got the SWS and honestly there's little difference between the two EXCEPT I love I can easily connect to the SWS from any device like my laptop, tablet, desktop, and phone. And that's locally connected unless you setup some kind of remote access into the network or port forwarding. Which I've done the later temporarily while trying to get live par readings through out the day. Otherwise the SWS reports out to seneye.me cloud like a windows pc would.
I'm planning to buy a tiny computer. And plug it into my TV and plug the Seneye into that (my tank will sit about 2 yards from the TV).
https://www.amazon.com/gp/aw/d/B01G...uter+stick&dpPl=1&dpID=31WFcy7G21L&ref=plSrch