[How to do instruction] 128x64 OLED with Song Status and Spectrum Display on Raspberry Pi

[adrii]

Hi f.omar

If mpd_oled is installed as a service then check for errors with

Code:

systemctl status mpd_oled

If the screen is frozen then mpd_oled may have crashed. Check what is running before and after you play a song

Code:

ps ax | grep 'mpd_oled\|cava'

If mpd_oled is crashing: use the command above to make sure that mpd_oled is not running, then run it from the command line and check for any error messages when it crashes.
 
If mpd_oled is not crashing: start it again and run 

Code:

top

And check, before and after the freeze -- How much CPU mpd_oled/cava is using? Are other processes using a lot of CPU? How much memory is being used? Etc.

Also check all the wires are good. In your photo the wires are connected to a DAC board attached to the Pi. You could check that none of the pins you are using are reserved for use by the DAC.

Adrian.