Upgrading to a “Real” Keyboard: E-Z Key Makes It Easy Authors Joseph Williamson Publication SUM Publication Details Volume: 4 Issue: 5 Date May 1986 Pages 14-15 Read the article See all articles from SUM v4 n5 Schematic to add a keyboard that plugs into the expansion port. This is the same interface that is used in the E-Z Key 60. Products Downloadable Media Related Articles Tags SUM, E-Z Key, Hardware project, TS 1000, TS 1500, TS 2068, ZX81 People Joseph Williamson
