CM3-Home technical documentation
Add this two lines on config.txt file the reboot:
# Set the CM3-Home audio lines
dtoverlay=pwm-2chan,pin=40,func=4,pin2=41,func2=4
Install omxpayer by typing:
sudo apt-get update
sudo apt-get install omxplayer
Download this two audio files:
wget https://www.acmesystems.it/cm3home/CM3-HOME_audio/speaker_test.m4a
Launch it:
omxplayer -o local speaker_test.m4a
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