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ANTI-THEFT ALARM AND HORN

Here is a simple ANTI-THEFT ALARM AND HORN. It generates a loud alarm when there is an attempt of theft. When the intruder opens the door, the circuit senses the attempt of theft and after 2 minutes, the alarm will be activated. The time delay is provided to help the user to leave after arming with the device. 

 ANTI-THEFT ALARM AND HORN Circuit Diagram

ANTI-THEFT ALARM AND HORN Circuit Diagram

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