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: ...

The Fruit Jam is a single board computer (SBC) that’s about the size of a credit card, or a Raspberry Pi Model B. But while the latest Raspberry Pi SBCs are powered by a 2.4 GHz quad-core ARM ...

A developer has built a remarkably thin computer that is almost the same size and thickness as a standard credit card, potentially opening the door to a new category of ultra-portable computing ...

Raspberry Pi’s Model B computers and other similarly-sized devices are often described as being the size of the credit card. But thanks to the USB and Ethernet ports, it’s a lot thicker than a credit ...