Electrical Engineering
"NEVER STOP LEARNING" -- yeah like how could I stop now? Seriously it's time to level up. I don't need a degree, just to feel I am knowledgeable. (I want to cast off the impostor syndrome.)
How much can I learn on my own, online?
First, I need to device a curriculum of my own choosing
IEEE is the obvious place to start looking.
You can search for specific classes at Class Central. For example, Embedded Systems
How about Coursera?
LearningPath shows lots of MIT courses and others
Sonoma State BS EE program (Certainly they could have had this when I was there dang. I'd be done already instead of having this dopey Computer Science degree. Except, you know the department did not exist back then. It was cheaper too.) Saeid is listed on their faculty. One familiar face. I doubt there are any resoources for me here other than a curriculum listing. It's still just Sonoma State.
Second, fulfill it.
Cornell Engineering Electrical and Computer Engineering
Van Hunter Adams courses and talks many projects here including RP2040 and PIC32
ECE 4760 Digital Systems Using Microcontrollers https://ece4760.github.io/
ECE 5760 Advanced Microcontroller Design and System on Chip https://people.ece.cornell.edu/land/courses/ece5760/