LUGANO, Switzerland--(BUSINESS WIRE)--Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant revision ...

Kerger made the Tetris shirt by inserting an Arduino Uno, 4 AA batteries, and 128 LEDs into the garment. This is how the shirt works: First Kerger plugs the shirt into the Arduino unit.