Muxcard, a dyi credit card size computer
Summary
Muxcard documents a DIY, credit-card sized computer built around an ESP32-C3 with an e-paper display and NFC. The post details design choices, prototypes, and the remaining challenges to make a durable, ultra-thin handheld computer, including PCB fabrication, flex circuits, and battery considerations. It also discusses potential use cases and invites community feedback.