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 ...

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 ...