This project outlines the design and implementation of an obstacle detection system that triggers a frequency-modulated audible alarm upon detecting a disrupted red LASER beam. The alarm's ...

This circuit is a laser alarm system like the one we see in various movies. It uses a laser pointer beam to secure your valuables and property. Essentially, when the beam gets interrupted by a person, ...

Circuit Diagram Block Diagram Working Principle The project basically works on the principle of interruption. If by any means the LASER light is interrupted the alarm will start unless it is reset ...