Hardware projects tagged 125khz

Open hardware projects tagged 125khz on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

1 board

This is a mod for the Casio F91-W to include a 125kHz NFC chip, specifically the T5577. The goal of this was to create a working tag that would fit in the watch with no modification to the outer case and water resistance.

pcbbom

MITSep 30, 2026

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