Laser Security Alarm Project
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Laser based Security alarm system uses laser light for protections. A security system protects our offices, shop, homes, banks, lockers etc from intrusion and unauthorised access. There are different types of security systems available and laser based security project is an important and efficient typ of laser security system that you can make it easily at your home with simple components.
Things:-
1. laser
2. 3.7v battery
3. buzzer
4. 220 ohm resistor
5. BC547 transistor
6. LDR
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