Sensors LED lighting intelligent control
Date:2011-06-09 11:16
Status:Be resolved
Question:admin
first, focus on the role, is about to pyroelectric infrared signal reflected in the PIR on: The second is the detection area is divided into a number of clear and dark areas, so that a moving object into the detection zone / one can to temperature changes in the form of a difference in the PIR on the pyroelectric infrared signal. General will be matched low noise amplifier, when the ambient temperature rises on the detector, especially close to the bodys normal body temperature (37 ℃), the decr
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