Re: Light Emiting Diodes

Posted by GuitarGas on Mar 07, 2015; 9:14pm
URL: http://guitar-fx-layouts.238.s1.nabble.com/Light-Emiting-Diodes-tp17549p18393.html

Ok, so I bought the white LEDs I linked to above and I just wanted to know what resisters I need?
The led I measured with my ultra accurate $25 multi meter measured between 3.9 and 4, i'm assuming that would be volts?
Using a 9v power supply would I need a 5k resister?
Cheers