RC522 RFID Module - Leo's Notes

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This page was last edited on 4 August 2020, at 05:42.

The RC522 is a cheap RFID reader module. I bought one from Ebay for $3 CAD with free shipping but that turned out to be a counterfeit since the firmware version was 0x12 rather than 0x9{0-2}.

Usage

The library project is at https://github.com/miguelbalboa/rfid