Saturday, 6 June 2015

lazer sequrity alarm (improved!!!)

12:18  Telli k  No comments

this is a brilliant sequrity device,a lazer sequrity alarm is used to catch hold of some nasty thieves who clme in your house and steal your goods. In my lazer sequrity alarm i just made a non - sensitive light detector and a lazer pointed towards the ldr whenever anyone crosses the lazer line the p...
By: p mishra

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from Instructables: exploring - technology - robots http://ift.tt/1eV6jRh

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