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The MFRC522 on your kit is designed to communicate with ISO/IEC 14443 A/MIFARE and NTAG cards. Search for Mifare Classic or Mifare Ultralight or NTAG213, NTAG216 ... cards.


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I will skip the RFID part, that is unrelated to the menu. What you can do is creating two variables: int menuLevel1 = 0; int menuLevel2 = 0; Assuming you have 2 levels, if you have more levels consider an array. Now you can print the screen based on the values of these two variables (use a switch statement for menuLevel1 which calls new functions, each ...


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Try using this code: #include <SPI.h> #include <MFRC522.h> #include <Servo.h> #define SS_PIN 10 #define RST_PIN 9 #define SERVO_PIN 3 Servo myservo; #define ACCESS_DELAY 2000 #define DENIED_DELAY 1000 MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance. void setup() { Serial.begin(9600); // Initiate a serial ...


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