The Design of Indoor Infrared Alarm

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Abstract:

This design uses the pyroelectric infrared detection technology, single-chip microcomputer control. Pyroelectric infrared sensor sensing the infrared thermal radiation (the body temperature is 37 degrees) of the invaders, converting it into a low frequency signal, passing to microcontroller through amplified circuit. Finally, it implements anti-theft through the alarm module.

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1105-1108

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September 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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