- Active blind-spot monitoring by using ultrasonic sensors with LED and buzzer feedback.
- Car parking sensor using ultrasonic sensors. Buzzer beep frequency is increased if distance between the car and object is decreased.
- Buzzer was set up using Pulse Width Modulation (PWM).
- Ultrasonic sensors detects distance by calculating the time taken between pulse.
YouTube video demonstrating the system
Edmond Chuc www.edmondchuc.com