Support a variety of peripherals, a gigantic edge slot expander.Sinclair Spectrum BackplaneAuthorSteve Smith Link to projecthttp://projectspeccy.com/projects/ Schemahttp://projectspeccy.com/Backplane/Spectrum_Backplane_v2.00.pdf PCBhttp://projectspeccy.com/Backplane/Spectrum_Backplane_v2.00_Gerbers.zip Support the authorhttps://www.tindie.com/stores/projectspeccy/
