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Author Topic: is this how I wire LED's to the 5V? [Pic inside]  (Read 2112 times)

Offline Sil3ntP3nguin

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is this how I wire LED's to the 5V? [Pic inside]
« on: February 01, 2008, 03:53:20 AM »
today is a snowday so I am going to fix my forgotten psp....

The Yellow is where LED's will be. they will be white 0603 LED's...

I wired it t hold switch so I can turn it on or off whenever. so I calculated that I would need a 4ohms resistor? is that right?
Specs on led: 460-600 mcd, 2.8-3.4, 20mA


thanks!



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Offline 4dP

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #1 on: February 01, 2008, 04:19:34 AM »
i use the 5v near power connector and it works all the same
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Offline Sil3ntP3nguin

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #2 on: February 01, 2008, 04:37:51 AM »
which resistor would i use for 6 or 4 white LED's?

I used a calculator btw... told me 4ohms...
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I like tech stuff. Artist in all media's. Photographer. ps3 gamer. i7 computerer.
I sell domestic electronics online, work at a pizzeria, and sell more electronics
and get over $1000 a month doing it :D

Offline 4dP

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #3 on: February 01, 2008, 05:21:03 AM »
i have only 10 ohms resistors and they seem to be doing the job ok
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Offline ProperBritish

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #4 on: February 01, 2008, 11:42:32 AM »
A calculator told me I needed 20 Ohm resistors for green LEDs on the 3.6V
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Offline psp_nl

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #5 on: February 01, 2008, 11:52:10 AM »
Huh? Is the powerboard 3.6v or 5v? :confused:
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Offline ProperBritish

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #6 on: February 01, 2008, 12:34:37 PM »
The powerboard is 3.6V. The mobo point is 5V
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Offline greendragonslim

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #7 on: February 01, 2008, 03:40:18 PM »
so basically if you only want one led then you don't need any resistors, but if it's more you do need them? I'm curious because I will be modding in some leds.
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Offline Maximize

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Re: is this how I wire LED's to the 5V? [Pic inside]
« Reply #8 on: February 01, 2008, 04:52:19 PM »
is there a guide to how much power in certain places, or is it a constant 3.6PB and 5.0MB, what about a guide where to take power from on the mobo and powerboard
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