Heart rate increase prevention. A device to give audible and / or visual warning a second or two before the compressor kicks in. via /r/DIY


Heart rate increase prevention. A device to give audible and / or visual warning a second or two before the compressor kicks in.
https://ift.tt/2ROnD33

Submitted April 21, 2021 at 03:40PM by Stoon_Slar
via reddit https://ift.tt/3xduljw

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