2 layers89.5 × 77.5 mm

Apple2-IO RPi
tjboldt/Apple2-IO-RPi
Apple II expansion card using a Raspberry Pi for I/O
24 parts140MIT
Open-source boards designed in KiCad by tjboldt on GitHub, from 2 repositories. A board’s address here is its repository’s there.

tjboldt/Apple2-IO-RPi
Apple II expansion card using a Raspberry Pi for I/O

tjboldt/ProDOS-ROM-Drive
A bootable 1 MB solid state disk for Apple ][ computers