Under-Cabinet Kitchen Counter LED Lights
Feb 7, 2007

LEDs are light emitting diodes. 

The title pretty much explains everything... 

Materials: 

12 Volt wall wart (Use a regulated one rated at 250mA or more).
10mm Ultra-bright White LEDs (groups of 3).
1.25" Aluminium angle.
68 Ohm resistors (one per three LEDs).

HowTo: