3 volt LED to 12 volt

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=68430
Printed Date: May 18, 2025 at 4:47 PM

Topic: 3 volt LED to 12 volt

Posted By: Ravendarat
Subject: 3 volt LED to 12 volt
Date Posted: December 15, 2005 at 10:37 AM

OK, easy question here, what resistors do I need to make a 3 volt led work off a 12 volt power supply. Now that you have that answer, what do I need to make 100 of them work that way

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Replies:

Posted By: auex
Date Posted: December 15, 2005 at 11:02 AM

Try this calculator

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Posted By: Ravendarat
Date Posted: December 15, 2005 at 2:08 PM

thanks, thats what i needed

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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer

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