But IR hacks are loads of fun. We’ve seen a bunch here, from the classic camera shutter-release hack to a more general tutorials on cloning IR signals with Arduinos.

Keeping your components out of sight is easy if you use an IR repeater to relay your remote control signals.

IR Receivers for Closed Cabinets In home theater applications, IR receivers are commonly used to control components in a cabinet with closed doors that obstruct the line of sight required by infrared.