Adding power switch to volumio

[Louis_Mulder]

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Power off question

Hi, I have a raspberry pi 4 on a pisugar 3 board with its battery, with the pisugar and the rpi both connected to 5v power. When no power is connected and I shut down the rpi under rpi os, it shuts completely down, i.e. not lights anymore on the rpi, while still being on the pisugar battery, which is the intended behavior for pisugar. Now, when I run the rpi under Volumio OS, which is based on rpi os I believe, the rpi does not completely shut down when no power is connected, with still a red l…