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By damien907 Sun Apr 01, 2012 11:23 am
have any of you tried this, what were the results, its supposed to diffuse them, and i guess that makes them dimmer.

i havent been able to find too many LEDs that arent under 4-6 thousand mcd, and this is too bright i think.

also, if any of you have succesfully installed 3.3 or 3.6v LEDs into your mpc 1k it would be cool if you told me.

thanks
By MPCHunter Sun Apr 01, 2012 3:51 pm
damien907 wrote:have any of you tried this, what were the results, its supposed to diffuse them, and i guess that makes them dimmer.

i havent been able to find too many LEDs that arent under 4-6 thousand mcd, and this is too bright i think.

also, if any of you have succesfully installed 3.3 or 3.6v LEDs into your mpc 1k it would be cool if you told me.

thanks


Changing the value of the current limiting resistor will adjust brightness. Ohm's Law will tell you what you need.
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By tapedeck Sun Apr 01, 2012 5:01 pm
MPCHunter wrote:
damien907 wrote:have any of you tried this, what were the results, its supposed to diffuse them, and i guess that makes them dimmer.

i havent been able to find too many LEDs that arent under 4-6 thousand mcd, and this is too bright i think.

also, if any of you have succesfully installed 3.3 or 3.6v LEDs into your mpc 1k it would be cool if you told me.

thanks

Changing the value of the current limiting resistor will adjust brightness. Ohm's Law will tell you what you need.

yep.
in other words, just put a higher value resistor where the current one sits and you can also experiment with a couple different ones...you shouldn't fry anything so long as there is some resistor there. :mrgreen:
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By kardus Tue Apr 03, 2012 3:37 pm
If you want to diffuse/frost leds take a bit of sandpaper and score the surface of the led. You might not want to do this if you don't have extras, though, because it's permanent. You can also frost/dampen leds with a bit of children's white glue. If you screw up or don't like it, it peels right off, no harm. I've never personally done this method however. Finally you can achieve the same thing with toilet paper. Seriously. Cut little squares of toilet paper out and simply place them over the led or on the underside of a transparent button, 1-2 ply works well.
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By damien907 Wed Apr 04, 2012 3:34 am
ill try the glue trick, that sounds cool.
so is there a physical resistor on the mpc next to each LED that i will have to replace also?