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 Brighter led in MT-2 - help me!		  New Topic  Reply to Topic
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leslav80
Copper Member

15 Posts
Posted - 03/10/2009 :  01:23:30  Show Profile  Reply with Quote
Does anyone know how to make led brighter in MT-2? I was looking on forum but couldn't find any post about this simple mod I don't know which resistor is responsible for it, and I am sure you guys know which

thanks
&

Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 03/10/2009 :  01:50:11  Show Profile  Visit Laurie's Homepage  Reply with Quote
Hi leslav80 and welcome!

Lowering the value of R10 will increase the brightness. Lowering R10 will, however, increase the current draw and reduce the battery life.

A better way is to replace the LED with a super-bright one. I usually use 3mm superbright white LEDs in pedals I modify - VERY bright with the standard resistor.
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 03/10/2009 :  06:39:41  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi leslav80

Welcome to the forum from Australia.

Like Laurie just posted, a Brighter LED, is the best way to go.

Regards Dr. bob
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leslav80
Copper Member

15 Posts
Posted - 03/10/2009 :  21:09:00  Show Profile  Reply with Quote
Hi all!

Thanks for your responses, current draw is not a problem for me - I am usiing powert supply not a battery. I put an cristal orange LED and is is not so bright - it lights like regular red LED so I decided to increase brightness.

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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 03/11/2009 :  02:11:23  Show Profile  Visit Laurie's Homepage  Reply with Quote
Ah! The orange LED has a higher forward voltage than a red one if I recall correctly. Maybe lower R10 to 560R and see how it looks?
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 03/11/2009 :  13:43:56  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
quote:
Originally posted by Laurie

Ah! The orange LED has a higher forward voltage than a red one if I recall correctly. Maybe lower R10 to 560R and see how it looks?

Approx 1.75VDC for the Green - Yellow - Orange LED's.
Approx 1.5VDC for Red LED's.

And up to 3-4VDC for Blue & White high brightness LED's.

Regards Dr. Bob
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