The Ultrasonic Sensor Based Troll Gate is a simple system that can be used to block trolls from entering certain areas. The system consists of an ultrasonic sensor, an Arduino board, and a gate ...

This project implements a traffic control system using Arduino. The system manages vehicle and pedestrian traffic at an intersection with traffic lights, ultrasonic sensors, and a boom gate for a car ...

Arduino Uno works to turn on the door lock solenoid, so door access will be given when authentication is successful. Experimental results show that fingerprint sensor works well by being able to read ...

The Fingerprint Door Lock (FPDL) using Arduino with SIM800L research is designed to improve the security and convenience of door access control by integrating fingerprint recognition with Arduino and ...