I'm almost back up to speed with the other raspi. Desoldered audio, USB, ethernet jacks and GPIO pins. Adderad breakout for audio and USB and verified that it work. Just need to add 2x13p female PCB connector for the display and make sure everything works, I'm waiting for the connectorto arrive. For safety reasons I've decided against using the hacky solution for power in this early testing and dev phase, I'll re-add it when the time is right.