Page 1 Q-SERIES.; Page 2 SEVENFRIDAY watches guarantee authenticity through scanning .Note that. // the PN532 SCK, MOSI, and MISO pins need to be connected to the Arduino's. // hardware SPI SCK, MOSI, and MISO pins. On an Arduino Uno these are. // SCK = 13, MOSI = 11, MISO = 12. The SS line can be any digital IO pin. .