hi, I have gone thru the Handy board expansion schmetic circuit version 3.0 by Mr.Fred Martin whcih updated on the June 14,1998. I have some doubts : 1) What and where is the the Analog pass-through connector (J4) and Motor power pass-through (...) (26 years ago, 4-Aug-98, to lugnet.robotics.handyboard)
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