Hi, here i will show you my gsm security system i made, you should have some experience with electronics beforehand. Feel free to modify this project in any way you like. All parts are bought from DX.com.The reason its wireles is so you dont have everything right behind the door, so for security rea...By: Impetus37
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from Instructables: exploring - technology - robots http://ift.tt/1Ajx3SJ
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