An ultrasonic sensor is used to detect the burglar when enters the house then take a photo of him using the camera in a mobile attached near the door .
1Sheeld
When the burglar walks infront of the ultrasonic sensor it triggers the camera to take a photo of him.
An ultrasonic sensor is used to detect the burglar when enters the house then take a photo of him using the camera in a mobile attached near the door .
1Sheeld
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