Diagrams

Scanned and colour-adjusted versions of the pencil drawings I used as a guide to construction.


Concept Drawing

ORAC concept drawn from observations of the series videos.


Lighting Curcuit

The circuit to drive the rods and the orbital lights.

(Two 1 of 16 analog switches driven by dual 4-bit counters.)


Brain Ball circuit

The circuit to drive the brain-ball.

(A very crude dual digital to analog converter driven by dual 4-bit counters.)


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