Description This smart sound alert system illustrate the potential of using Arduino, buzzer and ultrasonic sensor in building a security system. Use case Creating a smart alarm system. Step 1: The ...

This project is a line-following robot using Arduino Uno, IR sensors, and DC motors. It features obstacle avoidance using an ultrasonic sensor and speed control with PWM. LEDs indicate direction ...

The design of a “third eye for the blind,” which employs ultrasonic waves to detect surrounding obstructions and notify users with a buzzer sound or vibration, is made feasible by the collaboration of ...