Hi, i'm using RC522 with an Nano, <AddicoreRFID.h> library, used only to read serial number (4 bytes) And i'm wondering if i can unplug some pins from the Nano in order to use them for something else, 6 pins are too much for me

Too much pins used for RFID (RC522), can i save them ?

prologikus September 9, 2016, 12:33am 5

oh, ok then tnx

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