This project demonstrates how to build an RFID-based access control system using Arduino. The system integrates an RFID reader, servo motor, 16x2 LCD (I2C), three LEDs (Red, Yellow, Green), and a ...

The Distance Monitoring System with LED Feedback is an Arduino-based project that utilizes ultrasonic sensors, LEDs, and an LCD display to create a real-time distance measurement and visual feedback ...

How to use an Arduino for controlling the backlight unit of a 16×2 Character LCD? In order to control the the backlight LED brightness, combination of a medium-power transistor (BC327) and Arduino’s ...

The arLCD is a smart 3.5" color touchscreen LCD Arduino combo board that brings easy-to-program, smartphone-like user interfaces to the Maker Community.