Understanding the Mechanics of an Infrared Sensor for a DIY Project for Kids Beginning a hands-on educational activity centered on optical technology requires a precise knowledge of the way an infrared detector operates.|This IR receiver is the interface that permits robotic machines to safely receive signals sent by wireless controllers.} https://rotorrickrh.bloguetechno.com/how-to-build-an-obstacle-detection-system-using-an-ir-receiver-76240016