On Tue, 3 Jan 2006, Philip Pemberton wrote:

> I've worked out the pinouts for the display. It has 27 pins, and seems to
> have the segments and backplanes multiplexed three ways. Very odd...

Very common, you mean. You can drive such a display directly with 
tristate outputs. Tristated outputs must be 'pulled' to the relevant 
intermediate voltage with a resistor, each.

Peter

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