The TV-B-Gone is a well known piece of kit in hacker circles: just point it at a noisy TV in a public space, hit the button, and one of the hundreds of IR remote codes for “Power Off” that it blinks ...

Over the last few years, it’s been increasingly common for concertgoers to be handed a light-up bracelet from PixMob that synchronizes with the others in the crowd to turn the entire audience into a ...

They are for covering IR emitters you stick to the front of components to prevent the IR signal from the emitter from "leaking" out to other components, and to prevent the component from receiving IR ...