Twitter Mood Light - The World's Mood in a Box by RandomMatrix

(w/ Video) Basic Arduino Robot, Light Seeker! by Chowmix12

How to Make an LED Ambient Mood Light: A Beginner Tutorial by elevenbytes

Arduino Solar Tracker by geo bruce

Photocell tutorial! by adafruit

4x4x4 RGB LED Cube by emihackr97

LED chandelier by starkec

IR Remote Controlled Color Changing Cloud (Arduino) by dablondeemu

Create the Arduino driven LED growbox by cpo

$2 sun tracker circuit - healthy discussion! by gtoal

Skyline RGB LED Lamp by earthshine

Arduino: Making a set of traffic lights by unknowndomain

Arduino Internet Controlled Desk Lamp by geo bruce

Pressure Activated Light-Up Umbrella by snl017

Intelligent Solar Garden Light - Part 1 by zzpza

The Dawm by ZrvZ

Arduino Bicycle Alarm and Lights by drew.adc

Control anything remotely with Infrared signals. by Hammock Boy

Energy-Saving Light by randofo

Traffic Signal / Stop Light Wiring with Arduino Controller by fzumrk

Wake-up light (no arduino) by Giedow

Light Sensing LEDs by Bot1398

Quadcopter frame design (fiberglass). by starkec

Arduino Traffic Light Controller w/Remote Control by Auger Duval

Intelligent Solar Garden Light - Part 2 by zzpza

RGB Spoon Light by LostRite

3 Channel arduino Powered Christmas Light Controller! by Robot Lover

Singing Pumpkins/ Arduino by wirenut1980

Arduino Larson/Cylon Scanner by zgr95