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SMART SOUND ALERT PRODUCING LED BULB WITH ON-BOARD HUMAN MOTION (PIR) SENSOR, WHICH IS CAPABLE OF PRODUCING AUDIBLE SOUND ALERT WHEN ANY HUMAN BEING COMES IN VICINITY OF THE BULB.
SMART SOUND ALERT PRODUCING LED BULB WITH ON-BOARD HUMAN MOTION (PIR) SENSOR, WHICH IS CAPABLE OF PRODUCING AUDIBLE SOUND ALERT WHEN ANY HUMAN BEING COMES IN VICINITY OF THE BULB.
SMART SOUND ALERT producing LED Bulb with on-board Human Motion (PIR) Sensor, which is capable of producing Audible Sound alert when any Human Being comes in vicinity of the Bulb. Abstract: This SMART SOUND ALERT producing LED Bulb detect movement of Humans and not only lights up the bulb BUT also raise Audible Sound Alert for approximately ten seconds. The invented device incorporates: . Human Motion Sensor commonly known as PIR sensor. . A Trigger Circuit that accepts signal from PIR sensor. . Intermittent sound producing circuit based on 555 IC. The bulb has B22 or E27 connector as found in common household bulbs in India . It operates on 220v AC and can accept wide voltage fluctuation between 180 and 260 Volts. Hence this small and handy bulb acts as an Audible alert mechanism when movement of humans happen in vicinity of Smart LED Bulb.
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