> I have 50 seperate logic lines  that switch in sequence from
> # 1 to # 50 then reverse from # 50 to # 1
> at any one time only one line is in a low state  and all
> others are high state. what I need is an analog output
> voltage generated from the pic in response to which switched
> line is enabled.

50 resistors and a current source?


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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