Recycled Milk Bottle Lights...
[youtube=http://www.youtube.com/watch?v=rGscXF1HxoQ][YouTube - Link]I made these plastic milk bottle lights by embedding LEDs in the caps, hanging them from a bent section of pipe and hooking them up to an Arduino microc...
https://www.neatorama.com/2009/04/25/recycled-milk-bottle-lights/
