21CTO
Jun 27, 2020 · Fundamentals
How to Build a Pocket‑Sized NFC Smart Card with E‑Ink Display
This tutorial walks you through creating a match‑box‑sized NFC‑enabled smart card that consolidates employee badges, access cards and cafeteria cards, detailing hardware selection, PCB design, firmware, e‑ink screen handling, and open‑source resources for a compact, multifunctional device.
DIYHardwareNFC
0 likes · 5 min read
