Adding PIR Sensors to Internet CCTV

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The new breed of CCTV cameras known as wireless internet CCTV cameras or IP cameras is totally digital, more like a computer than a traditional camera. This new type of camera detects changes in the digital image that its sensor “sees” to decide whether something has moved within the picture. This method of detecting movement can be improved upon by adding a passive infra-red (PIR) sensor to the camera, as this article explains… IP CCTV – adding PIR Sensors

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