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Author Topic: 200mcd or 800mcd White LED's  (Read 1535 times)

Offline almostPSP

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200mcd or 800mcd White LED's
« on: July 29, 2009, 08:09:41 AM »
What is better for Triggers and Speakers, 200mcd or 800mcd and also is a 10k Ohm ¼w Resistor okay for the LED's?
« Last Edit: July 29, 2009, 08:12:19 AM by almostPSP »
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Offline ojomow

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Re: 200mcd or 800mcd White LED's
« Reply #1 on: July 29, 2009, 10:36:35 AM »
Of course you want more MCD. It doesn't necessarily means more light being given from the led but higher is better. And it can require higher resistor.

Use this calculator to find the appropriate resistor->http://www.hebeiltd.com.cn/?p=zz.led.resistor.calculator

And I have a blue 160 MCD 0603 and it gives off light pretty bright.

PS: You post to much thread  :tup:
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Offline almostPSP

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Re: 200mcd or 800mcd White LED's
« Reply #2 on: July 29, 2009, 10:47:59 AM »
Will a 10ohm resistor be okay?
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Offline ojomow

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Re: 200mcd or 800mcd White LED's
« Reply #3 on: July 29, 2009, 11:06:00 AM »
I'm sorry I'm not an expert on resistors, you have to wait for w-gaming and blazin and the others. They helped me along this mod ^^

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Offline Jumbo

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Re: 200mcd or 800mcd White LED's
« Reply #4 on: July 29, 2009, 12:30:36 PM »
What are you hooking it up to?
If its a 5 volt supply use a 60ohm resistor to have 3.4 volts and 25mA going to the LED.

If its a different supply tell me and ill tell you what resistor.
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Offline almostPSP

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Re: 200mcd or 800mcd White LED's
« Reply #5 on: July 29, 2009, 01:01:06 PM »
I have read your personal message... i'm sorry, i'm going to connect them to a LM386 so i can use the hold switch and also is there a tutorial for how to connect a LM386 to the LED's.... thanks
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Offline Jumbo

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Re: 200mcd or 800mcd White LED's
« Reply #6 on: July 29, 2009, 01:26:32 PM »
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Offline almostPSP

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Re: 200mcd or 800mcd White LED's
« Reply #7 on: July 30, 2009, 02:06:53 AM »
Thanks, Jumbo
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Offline nico

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Re: 200mcd or 800mcd White LED's
« Reply #8 on: August 01, 2009, 11:02:17 AM »
hey jumbo help me which resistor i need for this http://www.unique-leds.com/index.php?target=products&product_id=1736 im doing direct contact method
when i use the table up ther^ it says -40 ohm? is that possible?
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