Readers can be found on eBay for around USD 5: search for "rc522".The PCD is the actual RFID Reader based on NXP MFRC522 Contactless.Might be a good choice if this is your first exposure to Arduino Ĭheck if such kit already includes the Arduino, Reader, and some Tags). Prices vary from USD 7 for clones, to USD 75 for "starter kits" (which.An Arduino or compatible executing the Sketch using this library.There are three hardware components involved: The SDA pin might be labeled SS on some/older MFRC522 boards. ( 1, 2) Configurable, typically defined as SS_PIN in sketch/program. ( 1, 2) Configurable, typically defined as RST_PIN in sketch/program. The following table shows the typical pin layout used: Also you have to change pins, see pin layout. This library is compatible to Teensy and ESP8266, but not all examples are available for every board. Set the UID, write to sector 0, and unbrick Chinese UID changeable MIFARE cards. On your Arduino using a RC522 based reader connected via the Serial Peripheral Read and write different types of Radio-Frequency IDentification (RFID) cards Arduino library for MFRC522 and other RFID RC522 based modules.
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