Our first task is to update the package list on our Raspberry Pi as well as upgrade the currently installed packages. In this section, we will be showing you the simple steps to installing the cec-client software on your Raspberry Pi.Ĭec-client is the software package that we will be utilizing on the Raspberry Pi to control a device over the HDMI-CEC protocol.ġ. Installing cec-client to Your Raspberry Pi This tutorial should function with older Raspberry Pi’s and older versions of the Raspbian operating system. Recommendedįor this tutorial on using HDMI-CEC, we were running the latest available version of Raspbian Buster running on a Raspberry Pi 4. Equipment Listīelow is the equipment that you will likely need to complete this tutorial on using HDMI-CEC from your Raspberry Pi. Using the HDMI-CEC protocol, you can use your Raspberry Pi to control a TV in a variety of different ways, such as turning it off and on or changing the volume. Searching for the model of your TV should help you find what this setting is called. Most modern TVs have implemented support for this protocol, but it often has to be enabled within the TV’s settings. This protocol allows the TV to control another device while also allowing that device to control the TV. HDMI-CEC is a special protocol designed for TVs to communicate with another device over an HDMI cable.
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