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How to make Laser Security Alarm System on Breadboard at Home

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In this video, I have shown how to make a simple Laser Security alarm system for home on the breadboard by using BC547 transistor. After watching the complete video you can easily design the laser alarm circuit on a breadboard for home.
I have received the required components from LCSC.com
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Required Components with LCSC.com purchase link:
1) BC547 Transistor - 1 no- lcsc.com/produ...
2) LDR or Photoresistor - 1 no- lcsc.com/produ...
3) 5mm LED (any color) - 1 no lcsc.com/produ...
4) 39K/47K-ohm 0.25watt Resistor - 1 no lcsc.com/produ...
5) BreadBoard - 1 no lcsc.com/produ...
6) Battery Holders - 1no lcsc.com/produ...
7) DC Buzzer - 1no lcsc.com/produ...
8) connecting wire
9) 9v battery or Mobile charger
In this video, I have shown how to make laser light security alarm circuit in steps so that you can make the laser security system for the home in 5 minutes. To supply the circuit you can also use an old mobile charger.
This project is also part of DIY Home security system, which can be made and installed easily at home with some basic electronics components.
#LaserSecurity #ElectronicsProjects #techstudycell
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Опубликовано:

29 авг 2024

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Комментарии : 38

@cndbrn7975 Год назад

Great tutorial, thanks ..

@TechStudyCell Год назад

Thanks

@vijaywarke8529 Год назад

Good explained

@TechStudyCell Год назад

Thanks

@nagaberak3568 4 года назад

Fabulous work...What else do we need to turn off the buzzer manually? I mean if we need the buzzer will keep buzzing eventhough the laser light resume hitting the LDR for the 2nd time and so on until we turn it off manually to make it applicable for home security. Thanks anyway, Sir.

@maryamkhalid7477 5 лет назад

Very very helpful video The best thing is that this is explained with circuit diagram... Thank u sooooo much 🙂🙂🙃🙃

@TechStudyCell 4 года назад

You are welcome 😊

@neelamkandpal9932 Год назад

my questions is that i have connected everything properly but still buzzer and light keep work though intensity change but why its working when laser fall on it

@Cdswjp Год назад

excellent explanations

@TechStudyCell Год назад

Thanks

@taruncariappa7467 Год назад

Very good circuit. Can u modify the circuit so that the buzzer will continue to work even after the laser beam falls back on the ldr. This could be reset with a switch

@TechStudyCell Год назад

ok.. noted

@vahini. 2 месяца назад

can you let me know what to modify , im facing the same situation

@JiyaDubal 3 месяца назад

A normal laser can work?

@emeraldgrape2222 Год назад

i need hlep the moment i put the bateery it already started buzzing and when i turn off lights it stop when i put the lase to the ldr it shines brighter and becomes louder

@andym5195 3 года назад

good stuff! could you change the resistor or have a variable resistor in there to allow for ambient light hence give the pthing some sensitivity do ya think??