In the flea market area at #hamcation2023, I picked up some ESP33 boards and what I thought was an LCD display module for $1 each. After I had a chance to look at it a little closer, it turned out to be a tiny oscilloscope. Looks like it will be a fun little thing to get running
https://www.gabotronics.com/products/oscilloscope-menu/47/xmega-xminilab-details.html

