资讯

There’s no shortage of ESP32 development boards out there, with many of them offering some “killer app” feature which may or may not align with whatever it is you’re trying to do. But if you’ve got a ...
External. Sensor: Differential pyro-electric array. Alarm hold time 0.2 -10 seconds, adjustable. Detection speed range 0.2m/s to 5 m/s. Gain control 50-100% (automatic). Provides protection in low ...
Fairport, New York -- Bosch Security Systems, a full-line manufacturer of high-quality security systems and components, has launched the Bosch ISN-CC1-50W wide-angle motion detector. This new Passive ...
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 ...