On Sat, 06 Feb 2010 11:25:50 +1300, "ivp" said:
> Hi all,
> 
> I've got a project which involves selecting from a menu with a long
> slide switch. It will be made of a piece of PCB about 200mm long
> with 20 tracks going off to a PIC ADC. The user control is a slider,
> which moves a finger to complete the circuit. The idea is that the
> position of the circuit completion means a distinct voltage at the ADC,
> like a 1-way 20-pole rotary switch rolled out

Hi Jinx,

You may have already thought of using a rotary potentiometer with a
~100mm diameter pulley on it, and use a string attached to the slide, in
the style of a dial cord in old radios.

Just a thought.

Cheerful regards,

Bob

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