Light Emiting Diodes

Posted by GuitarGas on Feb 11, 2015; 8:02am
URL: http://guitar-fx-layouts.238.s1.nabble.com/Light-Emiting-Diodes-tp17549.html

Hey guys, I'm looking at buying a bulk lot of LED's.
Here is a listing on eBay that I might go for???
http://www.ebay.com.au/itm/100pcs-Mix-3mm-Blue-Red-Yellow-Green-Round-Light-Emitting-LED-Diode-Assorted-Kit-/371247279872?pt=AU_B_I_Electrical_Test_Equipment&hash=item56700fef00
Does it matter what voltage and current they are?
The ones listed are...
Working voltage 1.8-2.2 (V)
Current: 20 (mA)

Cheers