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.

Often, you need to transmit a couple of bits or bytes of data to a microcontroller without a direct cable connection. One simple way to achieve this goal is to use a widely available IR receiver, such ...