esp32.diy

#nfc

1 open-source ESP32 project guide tagged #nfc: build steps, hardware and firmware.

OpenSpool: Build an NFC Filament Reader for Your 3D Printer
Firmware & Deployment · Intermediate

OpenSpool: Build an NFC Filament Reader for Your 3D Printer

Build an ESP32-powered NFC reader that automatically updates your Bambu printer's filament settings when you tap a tagged spool.

772 · C++ · Oct 11, 2026