Business cards are used to share your contact information and make a good impression. Even the fanciest paper business card can't hold a candle to technical designer Kevin Bates' Arduboy interactive business card that comes with a playable game of Tetris built into it.
Bates built the card using the tiniest Arduino he could find, an OLED screen, and a piezo speaker. The whole creation is only slightly thicker than a penny. It has working buttons for controlling the game, and could conceivably be programmed to play a lot more old-school games besides just Tetris. Bates is already working on a Pokemon game for the platform.… Read more