Don’t know what parts I need

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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=26758
Printed Date: May 14, 2025 at 7:40 PM

Topic: Don’t know what parts I need

Posted By: do0dfromcali
Subject: Don’t know what parts I need
Date Posted: February 18, 2004 at 8:44 PM

I am looking for something that will delay the interior lights like 30sec to 1 minute after you shut the door.

For example, lets say I have a switch connected to a light that runs to a 12 volt source. I turn the switch to the off postition to shut off the light, but would like the light to stay on for 30 seconds. What would I need to do that? Like a relay?

Replies:

Posted By: speakerman
Date Posted: February 19, 2004 at 12:51 AM

You would need something like a pulse timer(DEI 528t) which you can find for about $30. I am not quite sure what exactly you are trying to do with that switch and what kinda car it is so I couldn't tell you exactly how you would have to hook that up.

Posted By: do0dfromcali
Date Posted: February 19, 2004 at 8:14 AM

I want to install some LED's that stay lite for like 30 secs after I shut my door. Its a 92 honda accord

Posted By: do0dfromcali
Date Posted: February 19, 2004 at 7:42 PM

I heard something called omega can do what I want. Anyone know about this?

Posted By: markcars
Date Posted: February 25, 2004 at 9:18 AM

you can really use any timer for the LEDs to stay on for 30 seconds (or a different duration). If you are comfortable with soldering irons, the 555 timer would be a great thing to use since it has lots of tweaking capabilities in regards to timing.

Posted By: markcars
Date Posted: February 25, 2004 at 9:21 AM

check this link for possibilities and ideas:
https://www.uoguelph.ca/~antoon/gadgets/555/555.html

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