This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Connect a 9V battery to Arduino DC barrel jack to power the Arduino and the ultrasonic sensor. Install a separate battery pack into the battery holder to power the motor driver and the motors. Ensure ...

This project is an IoT-based real-time object detection and alert system designed to monitor restricted areas. It uses an ultrasonic sensor to detect objects within a specified distance and triggers ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention. The “automatic toll gate system project” demonstrates how simple sensors and ...