INERARED_

Published:2009/7/9 20:37:00 Author:May | From:SeekIC

This circuit uses an Amperex pyroelectric IR sensor, an LM324 op amp (conftgured as a high-gain amplifier in the 0.3-to 5-Hz range), and a win-dow detector. The output will go high on any motion, which will change the infrared signature seen by the sensor.



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