Earlier this year Adafruit introduced a credit card-sized computer called the Fruit Jam. It’s the size of a typical Raspberry Pi Model B, but it’s powered by a low-power Raspberry Pi RP2350B ...

This project is an actual credit-card-sized ESP32-C3 computer with an e-ink display and NFC. Built as a tiny tinkering demo, ideas include a smart home dashboard, 2FA, or an NFC ticket wallet. Now: ...

This week AAEON introduced a credit card-sized computer with an Intel Twin lake processor and optional support for a Raspberry Pi-compatible 40-pin GPIO header. But if you’re looking for something ...

Credit card chips have been in modern cards for a while now, and are a security feature used for authentication, as Mastercard ditched the magnetic stripe completely years ago. But to make it all work ...

A computer the size of a credit card is nothing new. There have been many single-board computers following the familiar dimensions. [Krauseler]’s credit card computer is different, though. It packs an ...

Person holding a credit card with the front and EMV chip clearly visible. - Daenin/Shutterstock Credit card chips have been in modern cards for a while now, and are a security feature used for ...