An IR sensor is located near the TV and wired to the receiver, which can be many feet away in the equipment rack. The receiver has an amplifier and an "IR blaster" that showers IR signals to all ...

[Arthur] built an IR receiver to use with XBMC. Because it’s software specific he identifies the device on USB as a keyboard, and passes the IR commands as keystrokes used by the popular media ...

So he decided to whip up his own calculator infrared printer by bolting on an STM32 Blue Pill module and an IR receiver ... other or with an IR-equipped PC. Finally HP and other companies ...