2 layers85.2 × 71.3 mm

Bootarooni
phooky/bootarooni
A Raspberry Pi Pico (RP2040) based Apple IIe expansion card with USB isolation.
34 parts12
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

phooky/bootarooni
A Raspberry Pi Pico (RP2040) based Apple IIe expansion card with USB isolation.

phooky/Flat-SIP
An attempt to make a flat, relatively low-cost recreation of the Sandin Image Processor.