Understanding the Mechanics of the Infrared Sensor in a DIY Project for Kids Launching a DIY project for kids centered on optical technology demands a clear grasp of how an IR receiver works.|This infrared component acts as the primary gateway that allows electronic devices to accept information from remote transmitters.} https://labluken.theideasblog.com/40401990/how-to-set-up-a-wireless-switch-using-an-ir-receiver-and-relay