The Consumer Electronics Control (HDMI-CEC) is a 500 Mb/s bi-directional serial bus designed to control multiple HDMI devices with a single remote-control. It allows users to control up to 15 devices ...

There’s some interesting stuff lurking around in the HDMI spec, and at DEF CON, [Joshua Smith] laid the Consumer Electronics Control ... into more devices. There are millions of CEC-capable ...