The Complete Guide to the RC522 RFID Module
RFID technology is everywhere: access cards, metro tickets, contactless payments, and smart locks. For makers, one of the easiest ways to experiment with RFID is the RC522 module. It’s a low-cost 13.56 MHz RFID reader/writer that works with tags, key fobs, and cards. In this guide we’ll explore what the RC522 is, its specifications, wiring, […]
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