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@TSMC55

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DIY NFC Lock UK

A few years ago,Donfire and I built a prototype NFC door lock for a standard British UPVC door. It’s been running reliably for four years, but now we’re looking to refine the design. It’s a pancake stepper motor coupled to the thumb-turn axle of a euro cylinder lock barrel. It rotates upon receiving the correct UID via a PN532 or RC522 NFC reader, and can be used conventionally with a key. While the system works perfectly, the prototype is made of stacked modules, which makes it lo…