This is a tutorial to make a simple anti-theft door alarm system. Its based on a handmade magnetic switch known as reed switch. As long as the door is closed the alarm is off. Moment someone open the door, the Alarm will make loud sound. Once you close the door it will be off again.
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Description:
For more creative project ideas subscribe to my YouTube channel - Brainergiser.
Youtube Channel: https://www.youtube.com/user/sauravchakra
Other social media links are as follows:
Facebooks Page: https://www.facebook.com/Brainergiser-1606702352879992/
Inscrutable: http://www.instructables.com/member/Saurav+Chakraborty/
Google Plus : https://plus.google.com/+sauravchakra
Website: http://brainergiser.blogspot.in/
Instagram: https://www.instagram.com/brainergizer/
Pinterest: https://www.pinterest.com/saurav_chakra
Twitter: https://twitter.com/saurav_chakra
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