31 May '15, 5am

Motion-Sensing Security Light Circuit

Motion-Sensing Security Light Circuit

Fascinating electronics hobby circuit, Tricky Security Light, presented here is nothing but a motion sensing security light built around one commonly-available passive infrared sensor (PIR) module. A motion-sensing light is one that is activated by a motion sensor rather than by a conventional light switch. Motion-sensing lights are great for lighting areas that you only use briefly, since they only stay on as long as you need. By automatically turning off after a few minutes, they prevent wasted electricity and help conserve energy resources. Besides, motion-sensing lights for your home are great deterrents from burglars, who are startled by the sudden illumination and may believe someone awakes inside the home. Alas, I cannot offer such great ‘green’ benefits with my design because this is only a funny/tricky gizmo to throw all night-invaders in the deep of trouble. Don’...

Full article: http://www.electroschematics.com/11972/motion-sensing-sec...

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