I have populated the PCB for the Tuna Tin synthesizer, see the photo below. I considered crowding the components more and cutting off the excess PCB area, but will just use this roomy component layout for adaptability. Also I'm using this board for learning and practice. See the photo below.
I constructed the schematic to use when I wire the board. See the diagram below. The schematic was entered using KiCad. I had to construct symbols for the graphic dispay, the encoder, and the Si5351 breakout module. I'll need to add a 5V to 3.3 supply at some point, but for now it's being powered through the D1 Mini's USB port.
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