Picture of Cheap wireless house alarm system
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. :)
Mahmoud Alaa10 months ago

Wow :D!
Stunning man :D thank you for using my instructable :D i hope i helped you :)