Hi guys, I'm not sure if such a thing exists, but really want to get a relay circuit that keeps power to a device on for some preset amount of time (say, 1 hour) after input power has shut off. Why do I want such a thing? I want to wire it up into the 12v supply for the fridge, so that I can have the fridge running on 12v, and make short stops for gas/lunch/whatever without the fridge losing power, but also without me running the battery down because I forget to shut it off. A Google search will turn up a lot for "time-delay relays", but, as far as I can tell, none of them are quite what I'm talking about. (There are some that wait some time before coming on, or that only stay on for a fixed amount of time once power starts.) I guess I could probably wire something up from components, but I was hoping there might a "plug and play" solution. Thanks! -Wes |
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