Hello! I made four diffrent programs for a project I made. But now that I tried to combine them something isn't working. Please help. #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; …

Arduino Program

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