An Arduino-based RFID door lock system designed to control a 12V solenoid lock using authorized RFID cards. This project implements a non-blocking state machine system for reliable and efficient ...

#define pot_pin A0 //Define pot pin as A0. int value = 0; //Variable to hold the value. value = analogRead(pot_pin); //Read the analog input on pot pin. Serial.println(value); //Print it out.

Abstract: The increasing demand for efficient and cost-effective RFID solutions in automation and IoT applications has driven the development of a USB-based UHF RFID Reader. This research presents a ...

Abstract: In this work, a wireless passive high-sensitivity displacement sensor operated in the ultrahigh-frequency (UHF) radio frequency identification (RFID) band is proposed for displacement ...

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