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Jupiter Ace Application Circuits from Trevor Gowen

Trevor says NB: Unless indicated otherwise, the circuit designs shown here are prototypes that may not have been built or tested. In most cases decoupling components and/or (inter-) connections are not fully shown. Similarly associated software may not have been written (yet). However I hope they can form a basis of, or inspire, your own projects!


Here are the full size images in a zip file you can download to look at. Second Build of 24-way I/O Bus Interface
Second Build of 24-way I/O Bus Interface
Simplified Printer Interface & Cassette Recorder Remote Control

Simplified Printer Interface & Cassette Recorder Remote Control
(built Jan. 1985, software mods. June 1985)
Early serial printer interface.

Early serial printer interface. Final build was bi-directional for use with a Brother EP44 typewriter/printer
Early EPROM programmer - figure 1

Early EPROM programmer - figure 1
Early EPROM programmer - figure 2

Early EPROM programmer - figure 2
Early EPROM programmer - figure 3

Early EPROM programmer - figure 3
Later EPROM programmer - figure 1

Later EPROM programmer - figure 1
Later EPROM programmer - figure 2

Later EPROM programmer - figure 1