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Author Topic: guide button mod help  (Read 897 times)

Offline jake642

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guide button mod help
« on: June 17, 2010, 02:25:50 AM »
so i want to do this mod  https://www.acidmods.com/forum/index.php/topic,32786.0.html  i have the leds but i need to know what resistor to use for 4 of these http://www.niktronixonline.com/3mm_LED_Red_Green_Blue_Rainbow_Ultra_Bright_Slow_p/3mmledrainbowslow.htm plz replay
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Offline NineTwoFive

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Re: guide button mod help
« Reply #1 on: June 17, 2010, 11:43:51 AM »
You do not need and resistors if you are only going to use 1 LED ( which is recommended )
Post Merge: June 17, 2010, 11:44:12 AM
* any *
« Last Edit: June 17, 2010, 11:44:12 AM by NineTwoFive »
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Offline spurgurgle

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Re: guide button mod help
« Reply #2 on: June 29, 2010, 04:14:40 PM »
... you dont need any resistor at all the led has a forward voltage of 3.5..... so runnin on a 3v supply from the pad it will actually be under powerd.....
« Last Edit: June 29, 2010, 04:16:57 PM by spurgurgle »
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