USB powered thermometer?

Cupertino, January 16, 2022

Hi, folks, I have a TV coming over the fireplace and I wanted to install a thermometer behind the TV so I can be notified when the temperature reaches a certain threshold. Is there a product that does this? USB would be good because I can power it on the USB socket of the TV. TIA Edit: Ideally, this would be a surface thermometer and not a room thermostat. I think this would provide more accurate readings of how hot the TV gets.

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