https://content.instructables.com/FJT/PT8T/KROXES4A/FJTPT8TK...
> none of the GPIO pins are exposed, the only IO is buttons, usbc or a QT/Stemma connector.
Sorry for losing context.
https://content.instructables.com/FJT/PT8T/KROXES4A/FJTPT8TK...