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Audio section

The CM-Home uses an audio section electrically similar to the Raspberry Pi 4 but using different GPIO lines. This article explains how to configure your Raspbian distribution to be compatible with this hardware. Making a little change on the config.txt file all the other behaviour is the same as with Raspberry Pi 4.

Try the audio out

Download this two audio files:

$ wget https://www.acmesystems.it/www/cmhome_audio/speaker_test.wav

Launch it:

$ aplay speaker_test.wav

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