Don't have any of those luxurious security systems? Lack of budget? You can have your own now without spending too much! Just look around your place and gather these materials!

Step 1: Materials Needed:

 For the battery, we used battery out of coins and foil ( the one I posted a while ago) and for the reed switch we used  Mahmoud Alaa's  homemade reed switch. Thank you Mahmoud Alaa. :)
<p>Wow :D!<br>Stunning man :D thank you for using my instructable :D i hope i helped you :)</p>

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More by MICROTRONICS: Laser alarm system Cheap wireless house alarm system Battery out of coins and foil
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