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Review on 🔍 Advanced SunFounder Mifare RC522 RFID Reader IC Card Proximity Module for Arduino - Enhanced Antenna RF Module for Efficient Card Reading by Jarom Bulles

Revainrating 3 out of 5

Used with Adafruit ESP8266 Huzzah Feather

I got this to work using Adafruit ESP8266 Huzzah Feather. Works perfectly! Very decent range (2.5 inches or so with Mifare Ultralight markings), better than I expected! Use hardware SPI pins to connect to Feather and make sure you don't use secondary SPI pins (GPIO 12/13/14) for the Chip Select (CS) pin. Also avoid all other contacts used for downloading.

Pros
  • Robust Finish
Cons
  • Frequency