There’s no better way to introduce yourself than handing over a blinky PCB business card and challenging the recipient to a game of Connect Four. And if [Dennis Kaandorp] turns up early for a meeting, he can keep himself busy playing the ever popular game of Snake on his PCB business card. The tabs are 19 mm long and 4 mm wide. Quite wisely, [Dennis] kept his design simple, and avoided the temptat