How to make Invisible Laser Security System In Telugu | Spirits Detector Alarm
In this video i will explain how to make Invisible laser security system in step-by-step and when theif try to enter through the sensors then circuit will detect and starts ringing alarms and this type of system is used in home security ,hospitals ,banks ,gold shps....etc so watch the video until end
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my instagram link: [ Ссылка ]
Components list :
1: Proximity sensors ×2
2: Bc547 transistor
3: In4148 Zener diodes ×4
4: 220 ohm resistor
5: Buzzer
6: Zero pcb
1: Proximity sensor making video : [ Ссылка ]
Circuit Diagram :[ Ссылка ]
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#teluguexperimentvideos
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