I cant see the problem... it doesnt work with arduino. Can you please help me? #include "SPI.h" #include "MFRC522.h" #include <Password.h> #include <Keypad.h> #include <LiquidCrystal.h> #define SS_PIN 10 #define RST_PIN 9 int vklop; MFRC522 rfid(SS_PIN, RST_PIN); MFRC522::MIFARE_Key ke…

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