Nicola Silveri last edited by
GBA SP i replaced original display with a RCA Monitor 3,5'', i have connected the buttons on original motherbord to the GPIO of RPi Zero W. It works with RetroPie but i don't have video output with Recalbox.
A W E S O M E
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@nicola-silveri You need to edit /boot/config.txt to get composite output, see https://github.com/recalbox/recalbox-os/wiki/Connect-your-recalbox-to-a-CRT-with-composite-(EN)