The German Pi 4 forum: https://forum-raspberrypi.de/forum/board/154-raspberry-pi-4/ The Pi zero 2 w thread of the MRIS: The forum for the Pi Pad 5: https://community.biqu3d.com/ The forum for the Seeedstudio Ethernet Carrier Board for Pi CM4: https://forum.seeedstudio.com/ but also look here: