They are presumably culled from some beautiful old stereos, but anyway...
Here is the more or less final circuitry. I have decided not to tackle the power issue about servos only getting current on a change of signal. This is a cop out, but it's time to move on.
Power
however, I have introdcued a transistor to step up the current to the eyeball LEDs.
This does make them a little brighter
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