A laser security system is a type of alarm system that uses beams of light to detect intruders.The system consists of a laser source, a receiver and a controller. The laser source emits a beam of ...

This is a project to control a laser security system with Arduino. The laser is controlled by an ATmega32 which enables the laser to blink at a certain rate. This laser is sensed by an LDR sensor from ...

Take a permanent marker and make a rough layout or path draw on your PCB as shown in figure 1. Fig. 1: Layout or path draw of the PCB Fig.2: Laser Light Circuit Fig. 3: Schematic Circuit diagram of ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...