Upgrading my Apple II serial setup

Last year, I upgraded my serial setup: before, I had to plug and unplug serial connectors from the back of the Apple //c each time I wanted to change the hardware plugged to it: A Raspberry Pi, plugged to both ports, to browse Mastodon, listen to music with Wozamp, print to PDF, etc A special cable, plugged to both ports, to use my Quicktake camera A null-modem cable connected to my other Apple II to play a network game of Shufflepuck A cable to print to a real ImageWriter. I went with two serial switchboxes, and since then I didn’t have to unplug cables from behind my //c. It was much better! The switch boxes are visible under each speaker But it still had three drawbacks: I had to press two buttons, one on each box, to connect to the Pi or to the Quicktake So much cables It was very time-consuming to solder all these cables, and replicating it would have been out of question Why would I want to replicate it? Well, I know from my mailbox that a few people would have liked to try my…