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interior light switching

Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=126011
Printed Date: May 07, 2025 at 8:27 AM


Topic: interior light switching

Posted By: tommy coupe
Subject: interior light switching
Date Posted: February 04, 2011 at 10:28 AM

I have a 2001 hyundai coupe and want to switch the interior lights on via the door locks for entry and the ignition switch when turned off for exiting and locking the car. The circuit would have a built in delay and fade rather than just swithch off.

I am a complete novice, not having done anything other than wire a plug since building a simple wireless at school.

Where should I start and any books worth reading before I do

thanks



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Some bright spark can help me



Replies:

Posted By: oldspark
Date Posted: February 04, 2011 at 5:44 PM
Enjoy your search!

It's called a PIC or PICAXE or uPC etc.

There are some products that might do what you want - try searching this forum else mp3car.com - I was involved in some discussions late last year (I think...?).




Posted By: tommy coupe
Date Posted: February 04, 2011 at 8:04 PM

oldspark wrote:

Enjoy your search!

It's called a PIC or PICAXE or uPC etc.

There are some products that might do what you want - try searching this forum else mp3car.com - I was involved in some discussions late last year (I think...?).

Could I not just use latching relays, taking the pulse from the central locking modual to turn on the light and another from the ignition switch (engine start) to switch off

If i use the relays would I loose the ability to fade 



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Some bright spark can help me




Posted By: KPierson
Date Posted: February 05, 2011 at 7:23 AM
If you do it with relays you will lose the ability to fade. Other then that it can be done. By the time you try to get it to act the way you want it to and do all you would like it to do a programmable solution as mentioned above would be the best route. With a microcontroller you can pulse width modulate the output to create a smooth dimming effect.

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Kevin Pierson





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