As the clock hovers closer and closer to New Year's midnight, millions turn on their screens to witness that glittering New ...

[david] designed an LED ping-pong ball display using 3D printed components, which allows for the construction of arbitrarily-large LED displays thanks to a strictly modular design. The basic unit ...

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 ...