Thank you so much for your work. I have finally got everything working. FBB, pedals, buttons and lamps! Using Project R: https://t3hd0gg.com/project-r/.
Parts I used:
Power Supply for FBB: https://a.co/d/08lz2Dnu
Relay for Leader Lamp: https://a.co/d/02TgTdD0
USB Audio Adapter connected to original Atari sound board: https://a.co/d/051f6qDh
Audio adapters: https://a.co/d/0fak52iO
And a PC power supply for the ATX connector and lamps.




Parts I used:
Power Supply for FBB: https://a.co/d/08lz2Dnu
Relay for Leader Lamp: https://a.co/d/02TgTdD0
USB Audio Adapter connected to original Atari sound board: https://a.co/d/051f6qDh
Audio adapters: https://a.co/d/0fak52iO
And a PC power supply for the ATX connector and lamps.





