How to make Door Alarm at home with household things

Our life is a project,lets make something at home.technology never lost.so do it yourself.
for more project watch my another videos......

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Mechanolith by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100879
Artist: http://incompetech.com/
Cold Funk - Funkorama by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100499
Artist: http://incompetech.com/

Видео How to make Door Alarm at home with household things канала ENTER 10