Arduino Uno or any other Arduino I2C LCD MFRC522 RFID Reader Tags SG90 Servo motor 4X4 Keypad or 4X3 Keypad 3 X LED’s (Red, Green, Blue) 3 X 220 ohm resistors Buzzer 6 to 12V Power source (I have used ...

A complete RFID-based attendance system using Arduino that automates employee and student attendance tracking with real-time logging, LCD display, and offline data storage capabilities. Arduino Uno ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...

In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets, etc. The LCDs use liquid crystals to produce images or texts and are ...

To let its employees socialize from 300 miles away, ad agency Allen & Gerritsen hacked together an interactive game using RFID sensors, an Arduino, and some custom in-house development. Now company ...

Abstract: This paper presents the design and implementation of an RFID-GSM based intelligent cart system to automate the retail checkout process and reduce long queues and manual billing ...