The Federal Communications Commission (FCC) stated that the decision “will serve the public interest by providing for innovative device control features using touchless hand gesture technology.” The ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.

An IR sensor is located near the TV and wired to the receiver, which can be many feet away in the equipment rack. The receiver has an amplifier and an "IR blaster" that showers IR signals to all ...

The most common motion sensor we see in cameras is a passive infrared (PIR) sensor, which detects heat (infrared energy) that ...

As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ...