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I'm trying to build a PC for my car and I need to build a battery in it to allow it to run when the car is off, but to suspend after a given amount of time. The goal is to build a pretty small, fully-integrated computer. Is there a way to build a battery into a Mini ITX case, or do I need an external battery?
Should I run a battery separate from my car's main battery? I was assuming that I should simply allow charging and power drain while the car is running and simply cut all power to the PC when it's off, letting the PC use a battery. Also, how complicated is it to set up a capacitor/resistor? I'm kind of new at this :-| – Naftuli Kay – 2012-05-08T21:04:29.923
I used to use a separate battery, you also need something to limit the voltage from the car while its running.. itll be 16-18v which is too high.. The capacitor resistor thing is pretty simple.. you could probably also do something with an LM555 timer.. but I havnt tried that – madmaze – 2012-05-08T21:25:12.160