Best RFID and NFC Modules for Arduino, ESP32 & Raspberry Pi (Buying Guide)
The best RFID and NFC modules compared: 8 readers including the RC522 (MFRC522), PN532, PN5180, RDM6300, M5Stack RFID 2, Waveshare PN532 HAT and ACR122U, ranked on frequency, protocols, interface and range for Arduino, ESP32 and Raspberry Pi projects.