Since it gets hot even if you just plugged it in and didn't use it once (if I read your email correctly), and since there's literally no driver here that takes automated control of the dongle and sends it any commands:
That's a hardware issue. The RTL28.. contains linear regulators, and these probably are running continuosly. Best regards, Marcus On Thu, 2018-05-24 at 18:36 -0500, Bill Gaylord wrote: > I am having this problem with all of my dongles (from multiple sources) and > was wondering if it could be some sort of problem with it not getting closed > properly, > > In all cases the chip that gets hot is the actual SDR not the tuner. But I > don’t understand why it is heating up when the dongle is not in use and is > just plugged in. > > Or is this just some weird problem with the dongles. > > > Sincerely, > William
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