Great thing! If you want to revisit this project: you can get PCBs made with e.g. JLCPCB, PCBWay, OSHpark or others for a just a few dollars plus shipping now.

Great thing! If you want to revisit this project: you can get PCBs made with e.g. JLCPCB, PCBWay, OSHpark or others for a just a few dollars plus shipping now. That might help with the rats nest of cables that you had in that box.