2 layers100 × 100 mm

1802-Mini SPI DMA
arhefner/1802-Mini-SPI-DMA
SPI Expansion Board for the 1802/Mini Computer
44 parts2MIT
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.

arhefner/1802-Mini-SPI-DMA
SPI Expansion Board for the 1802/Mini Computer

arhefner/elf_mc_fp
Front panel board for Lee Hart's 1802 Membership Card with Raspberry Pi interface