HDMI-CEC technology allows various remote controls to operate multiple connected devices with ease. CEC simplifies device control but may have drawbacks, like turning on devices unintentionally.
There’s some interesting stuff lurking around in the HDMI spec, and at DEF CON, [Joshua Smith] laid the Consumer Electronics Control (CEC) part of HDMI out on the line, and exposed a few ...
You can use a built-in feature called HDMI-CEC, short for HDMI Consumer Electronics Control, to control your devices with a single remote. You'll need to check your TV's settings to get started ...