The Neo6502 from [Olimex] is a credit-card sized retro computer built around ... Similarly, it has a USB host port to accept input from a keyboard, and audio out via a 3.5 mm jack.

This mini credit card-sized computer was inspired by another board ... video output support and can use PS/2 keyboards with a USB adapter. This got Adafruit thinking that the board would be ...

a credit card–sized multitool that fits in your wallet and weighs about the same as a couple of coins. This concept kept evolving and the brand started exploring how to make the best multitools ...

[Kevin] managed to coax something new out of the theme with a very clever credit card sized console that uses some very interesting construction techniques. The inspiration for this project began ...

The LithiumCard has about the same size of a credit card, while being slightly thicker ... as long as the LithiumCard is connected via USB to an external power source. The company has already ...