// put your main code here, to run repeatedly: Serial.println(InOut); //Look for Look for rfid ring uchar status; uchar str[MAX_LEN]; // Search card, return card types status = rfid.request(PICC_REQIDL, str); if (status != MI_OK) { return; } // Show card type rfid.showCard...
SPI_MISO = MI(SO) SPI_SCK = SCKFor Adafruit SAMD21/SAMD51, use the SPI's CS/SS pin as follows: Itsy-Bitsy M0/M4, Feather M0 (Express), Hallowing M0 Express, Zero, Metro M0 => use CS = 16 = pin A2 Feather M4 (SAMD51) => use SS/CS = 9 Grand Central M4 => use SS/...