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The password NFC access control system is designed with Arduino as the master control. It uses the reading of the numbers in the matrix keyboard in the Arduino program to complete the password input function. Through the program design, it can reset the password function. At the same time, it is equipped with LCD1602 display, which can display the currently entered password and various states about the system in real time. After meeting the password unlocking function, it adds NFC card reading and unlocking, The correct NFC card number is written in the program to realize that only the correct card can be unlocked.
The password NFC access control system is designed with Arduino as the master control. It uses the reading of the numbers in the matrix keyboard in the Arduino program to complete the password input function. Through the program design, it can reset the password function. At the same time, it is equipped with LCD1602 display, which can display the currently entered password and various states about the system in real time. After meeting the password unlocking function, it adds NFC card reading and unlocking, The correct NFC card number is written in the program to realize that only the correct card can be unlocked.
