Cypress Semiconductor has introduced two new evaluation kits for its fast-growing PSoC® mixed-signal arrays. The kits, which address pyroelectric infrared (PIR) motion detection and I2C port expansion ...
Many close-proximity motion detectors use the classic, widely available passive-infrared (PIR) approach, which is effective but has limited sensitivity and adjustability, and can’t “see” through ...
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How Does a Motion Detector Work?

First developed for World War II, motion detectors have come a long way from the radar that pilots used way back then.