David Broadcast Electronics

AUTOMATIC DOORBELL USING OBJECT DETECTION Sign In or Register to add photos

AUTOMATIC DOORBELL USING OBJECT DETECTION
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HOW IT WORKS
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OPTOCOUPLER
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POWER SUPPLY AND FINAL PCB
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PAIR OF ULTRASONIC MODULE
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Testimonials

  • "Received an Award of excellence and creative invention. August,2009. Best Inventor and Innovator."
    Maker faire Africa
    Creative Invention