laser security alarm by abhishek awasthi

laser based security alarm mini project:-circuit diagram

1. Abhishek Awasthi Electrical & Electronics department Prepared by Guided by Mrs. Nikhat Fatima

2. Content Introduction Block Diagram Component list Circuit Diagram Working Advantages and Drawbacks. Future scope & Our focus References

3. Introduction

4. Block Diagram Laser Light Source LDR Transistor LED & Buzzer

5. Component list

6. Circuit Diagram

7. Working

8. It is easy in construction. It is light in weight. Low circuit cost. If any security breach happen people will alert easily. Low power requirement. It is portable. High security. Advantages

9. Disadvantage Line of sight is required. Rain, fog, dust, pollution can affect transmission. Performance drops off with long range.

10. Application Bank security system. Home security system. Industrial security system. Locker security system.

11. Thank You!

12. References www.google.com www.electronicsproject.com www.answer.com www.youtube.com

13. Thank You!