Take 4096 LEDs, 64 RGB microcontrollers and four Atari joysticks, throw them (with some degree of accuracy) at a coffee table, and you might get this: a four-way Pong table. The whole top surface of ...

You can fade out and fade in the light of an LED automatically by using Arduino and a simple code that is described below. Even though the Arduino board cannot output variable voltage on its digital ...