Resistance question

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imprtfightr

Member - Posts: 29

Joined: October 20, 2002

Location: United States

Posted: September 29, 2003 at 8:43 PM / IP Logged

I have a little LED thing. It runs on the little tiny circle bateries. The batterys togather test at 2.76 volts. Probably a little higher because they aren't brand new. I want be able ot connect it to 12 volt for an alarm LED. How do I figure out what resistors to use and how do I wire them.

Please don't just give me the resistor size. I would like to learn how to figure it out.

dadshop

Member - Posts: 4

Joined: October 19, 2003

Location: United States

Posted: October 19, 2003 at 10:24 PM / IP Logged

If I remember correctly, LED lights can run on any voltage without resistors. But let me double check my resorces and I'll get back to you.

Dads Shop

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Resistance question

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