forthnutterI did quick PCB in KiCAD, Using Parallax Flip PCB. With some level shifters going to DB 25 Printer connector.
I am really like these Flip board for making prototypes easy. Depending on the circuit you can utilise the power coming from the USB. Also have access to 3.3V.
The design for this PCB can be found on my bitbucket on this project page.
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