rfid
Arduino RFID Library for MFRC522
Read a card using a mfrc522 reader on your SPI interface on your Arduino
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Pin layout should be as follows (on Arduino Uno):
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MOSI: Pin 11 / ICSP-4
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MISO: Pin 12 / ICSP-1
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SCK : Pin 13 / ISCP-3
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SS : Pin 10 (Configurable)
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RST : Pin 9 (Configurable)
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Pin layout should be as follows (on Arduino Mega):
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MOSI: Pin 51 / ICSP-4
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MISO: Pin 50 / ICSP-1
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SCK : Pin 52 / ISCP-3
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SS : Pin 53 (Configurable)
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RST : Pin 5 (Configurable)