Search found 3 matches

by brooksware2000
Thu Jun 24, 2004 8:34 am
Forum: General Discussion
Topic: Car battery Backup Circuit
Replies: 12
Views: 4957

Re: Car battery Backup Circuit

Thanks to all for the help that you have provided.<p>Just to address the 2 circuits that I posted on the link above. The 2 diodes are there to make sure that not all of the battery power is removed while the relay is switching over. That way there is no possibility for the computer to drop out.<p>I ...
by brooksware2000
Wed Jun 23, 2004 8:24 pm
Forum: General Discussion
Topic: Car battery Backup Circuit
Replies: 12
Views: 4957

Re: Car battery Backup Circuit

How about the two circuits at this link http://www.geocities.com/brooksware2000/index.htm <p>I found them on another forum and would like anyones thoughts on them. Basically they will disconnect the main battery when the ACC line is on and connect to the backup battery only. When the car is started ...
by brooksware2000
Wed Jun 23, 2004 5:50 pm
Forum: General Discussion
Topic: Car battery Backup Circuit
Replies: 12
Views: 4957

Car battery Backup Circuit

Hello all, I am knew to these forums although I have been an Nuts & volts reader for a long time. My question is this; I am looking for a battery backup circuit that I can implement in my car so that my Mini-Itx computer will not shutdown during cranking of the car. I have some batteries from an...