Simple two-way serial between Raspberry Pi Pico and Pi (or PC)
Nobody will ever need more than 115200 baud
I love Rube Goldberg machines. Love them. So when I wanted to add some physical IO to one, I figured it would be much more thematic and fun to connect my Pico-based Waveshare LCD + buttons to a Pi via serial, instead of simply using a Pi hat directly.
I found a few guides around for getting the serial communication going, but none were exactly in the form I needed. I ended up breaking them down and combining them to create a simpler foundation for my own use.
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