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 ...

The awesome find is an 8×8 IR array sensor on a breakout board… the hack is all in what you do with it. Already taken by “LED fever,” [Xose’s] mind immediately fixated on an 8×8 IR array ...