I checked each LED using a battery and resistor ... We do need to add ping-pong balls as diffusers before the display will be finished but if there’s a problem you don’t want to have to ...

That’s what [bitluni] did with his massive 1200-pixel LED video wall, which he unveiled at Maker Faire Hanover recently. We covered his prototype a while back, a mere 300 ping pong ball ...

The Times Square New Year's Eve Ball is a 12-foot geodesic sphere covered in Waterford Crystal triangles and illuminated by LED lights. The ball drop tradition began in 1907 and has evolved over ...