Laser Security Alarm How To Make A Laser Light Security Alarm System At Home Youtube S Security Alarm Home Security Systems Wireless Home Security Systems
This is powered with 3 volt dc supply and fixed on one side of the door frame. Laser light circuit fig. When any person or object will come in between the laser beam the laser beam will be cut or interrupted therefore the ldr will not sense beam on its surface that increases the. As someone crosses these lights an alarm runs on to indicate. 1 laser diode module ky 008. The receiver will. Construction testing step 1. In this laser security alarm circuit we have used lm358 dual comparator ic for comparing voltages coming from ldr comparator is configured as non inverting mode and one 10k potentiometer is connected at its non inverting terminal. The laser pointer is used as the source of light beam. This system for security uses the combination of laser light and ldr.
Here ldr placed to sense the laser light from the laser diode.
There are different types of security systems available and laser based security system is an important and efficient type. As soon as you connect the battery the l e d and buzzer will come on if you re in a dark room. The laser pointer is used as the source of light beam. Laser security system circuit diagram and explanation. When any person or object will come in between the laser beam the laser beam will be cut or interrupted therefore the ldr will not sense beam on its surface that increases the. Layout or path draw of the pcb fig 2.
Laser based security system is a type of security and alarm system that uses laser light and a light sensor. From intrusion and unauthorised access. Your laser security alarm system is now. Laser light circuit fig. Market remove the internal button cells from the laser and connect it with power. The circuit can be used as a laser door alarm laser motion detector laser proximity sensor trip wire alarm and for other simple home security purposes. You can use any cheap toy laser available in the. When any person or object will come in between the laser beam the laser beam will be cut or interrupted therefore the ldr will not sense beam on its surface that increases the. 0 2 laser light security system using arduino with alarm. Laser security alarm circuit produce highly audible buzzer beep sound when the laser light blocked.
The circuit is divided in to two sections first is a laser transmitter or laser light and second is a laser receiver with time delay and alarm or siren circuit. The circuit can be used as a laser door alarm laser motion detector laser proximity sensor trip wire alarm and for other simple home security purposes. 1 laser diode module ky 008. This is a project of smiple laser security alarm circuit. Laser light circuit fig. 2 working of the laser light security system using arduino. This is powered with 3 volt dc supply and fixed on one side of the door frame. There are different types of security systems available and laser based security system is an important and efficient type. Schematic circuit diagram of the laser light security alarm system step 2. In this laser security alarm circuit we have used lm358 dual comparator ic for comparing voltages coming from ldr comparator is configured as non inverting mode and one 10k potentiometer is connected at its non inverting terminal.
Laser security system circuit diagram and explanation. An ldr photo resistor is used to sense the laser beam. A security system protects our homes offices banks lockers etc. Laser security system locks working along with circuit diagram. Two npn bc548 transistors implemented in this security alarm circuit as a switching device. The circuit is divided in to two sections first is a laser transmitter or laser light and second is a laser receiver with time delay and alarm or siren circuit. Laser light circuit fig. In this laser security alarm circuit we have used lm358 dual comparator ic for comparing voltages coming from ldr comparator is configured as non inverting mode and one 10k potentiometer is connected at its non inverting terminal. 2 working of the laser light security system using arduino. 0 2 laser light security system using arduino with alarm.
The ldr module has an onboard potentiometer to adjust the sensitivity of ldr so that it only senses laser light falling onto it. Layout or path draw of the pcb fig 2. Take a permanent marker and make a rough layout or path draw on your pcb as shown in figure 1. Construction testing step 1. Two npn bc548 transistors implemented in this security alarm circuit as a switching device. An ldr photo resistor is used to sense the laser beam. The circuit is using only few low cost components. From intrusion and unauthorised access. The concept is quite simple and similar to what we see in movies where antique priceless ornaments are protected under laser lights. When any person or object will come in between the laser beam the laser beam will be cut or interrupted therefore the ldr will not sense beam on its surface that increases the.
As soon as you connect the battery the l e d and buzzer will come on if you re in a dark room. The circuit is divided in to two sections first is a laser transmitter or laser light and second is a laser receiver with time delay and alarm or siren circuit. Schematic circuit diagram of the laser light security alarm system step 2. Your laser security alarm system is now. 2 working of the laser light security system using arduino. From intrusion and unauthorised access. Ldr light dependent resistor connected to the base terminal of q2 transistor through r4 resistor this ldr gives low resistance when the laser light falls on it and gives high resistance when there. The concept is quite simple and similar to what we see in movies where antique priceless ornaments are protected under laser lights. Laser based security system is a type of security and alarm system that uses laser light and a light sensor. Take a permanent marker and make a rough layout or path draw on your pcb as shown in figure 1.
