how to cutoff a +12v signal with a +12v

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=106091
Printed Date: May 02, 2025 at 1:51 PM

Topic: how to cutoff a +12v signal with a +12v

Posted By: etellier911
Subject: how to cutoff a +12v signal with a +12v
Date Posted: July 13, 2008 at 10:50 AM

Hello, here is the situation: there is a light on a board that i want normally light up, that is driven by a + 12v.

i want it to turn off when i send a signal that is also a + 12volts..

what would be the best way to do it? im thinking about a relay, but figure the way to do so

thanks to all

Eric

Replies:

Posted By: DYohn
Date Posted: July 13, 2008 at 11:05 AM

Power the lamp through the normally closed contacts on a 12vdc relay.

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Posted By: etellier911
Date Posted: July 13, 2008 at 11:11 AM

Hi, thank you for the answer, is there a how to explaining this somewhere in the site in the relay section?

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