This is a very short and easy way to protect your home from thefts. This is a very basic type of alarm which will wake you up by a alarm when a wire attached to your front or main door detects any movement. Collecting your material Materials Required are -- Thread a small piece of paper a strong...
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apaar duaContinue Reading »from Instructables: exploring - technology - robots http://ift.tt/1Im8kNP
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