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Author Topic: Resistor question?  (Read 1172 times)

Offline nico

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Resistor question?
« on: July 31, 2009, 11:16:32 PM »
what kind of resistor would i need if i buy this kind of LED?
http://www.unique-leds.com/index.php?target=products&product_id=1736

would the 10 ohm work from radioshack?
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Offline Rokujou

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Re: Resistor question?
« Reply #1 on: August 01, 2009, 01:59:41 AM »
R = (VS - VL) / I

R= resistor value
VS = supply voltage
VL = LED voltage
I = LED current (e.g. 20mA), this must be less than the maximum permitted

...id say try 390ohm, but because i am most likely wrong, wait for someone who knows better.
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Offline nico

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Re: Resistor question?
« Reply #2 on: August 01, 2009, 10:23:38 AM »
man i dont really get those calcualations, like sometimes it recommends lik 70 ohm and i can find them anywer...
i was thinking of using two of those. i want to know what kind of resistor i need.
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Offline Rokujou

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Re: Resistor question?
« Reply #3 on: August 01, 2009, 11:20:05 AM »
oh, wait... psp battery uses 3.6V?
sorry, use 80 ohm resistor.
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Offline nico

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Re: Resistor question?
« Reply #4 on: August 01, 2009, 11:51:06 AM »
Quote from: Rokujou on August 01, 2009, 11:20:05 AM
oh, wait... psp battery uses 3.6V?
sorry, use 80 ohm resistor.

where can i get this? and i was gunna do it like the push trigger lights on mod
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Offline W-Gaming5

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Re: Resistor question?
« Reply #5 on: August 01, 2009, 12:59:39 PM »
Rokujou is right use a 80ohm resistor
« Last Edit: August 01, 2009, 01:06:51 PM by W-Gaming5 »
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Offline nico

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Re: Resistor question?
« Reply #6 on: August 01, 2009, 07:53:37 PM »
k ty
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