neopixel-lights
November 21, 2017 ยท View on GitHub
Node script designed for a Raspberry Pi to run a Christmas light show sync'd to MIDI music files. Video

USB Audio Card
Make a Raspberry Pi USB audio card the default audio device by editing /usr/share/alsa/alsa.conf
change
defaults.ctl.card 0
defaults.pcm.card 0
to
defaults.ctl.card 1
defaults.pcm.card 1