2 layers41.3 × 51.8 mm

A500plus chipram expansion
blark/a500plus-chipram-expansion
A 1MB chip RAM expansion for the A500+
13 parts32
Open-source boards designed in KiCad by blark on GitHub, from 5 repositories. A board’s address here is its repository’s there.

blark/a500plus-chipram-expansion
A 1MB chip RAM expansion for the A500+



blark/6809sidecar
Experimental daughter board for the Tang Primer 20k Lite

blark/rt65b_power_module
Mean well RT65-B IEC C13 switched power entry and DC DIN-7 output module