Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet ...

Smart Stop is a compact, low-cost safety system that uses an ultrasonic sensor to detect obstacles and automatically control motor speed. It provides real-time feedback through LEDs and an LCD display ...

The ultrasonic distance sensor (HC-SR04) is a widely used electronic component for non-contact distance measurement. It operates on the principle of echo-ranging, where it emits an ultrasonic pulse ...