On 2014-11-18 20:28, andy pugh wrote: > On 18 November 2014 17:33, Kirk Wallace <kwall...@wallacecompany.com> wrote: >> The more I think about it, adding Halls seems to be the way to go. > Resolvers are _really_ good transducers. It seems a shame not to use them. > > I have no boards left. But I can pass on the files to have a batch of > PCBs made ($10 for 10 boards at seeedstudio.com ) > > The results were disappointing for position feedback, but sending 3 > emulated Hall signals from Arduino GPIO and nothing else ought to work > pretty well. Each Arduino does 3 motors. Andy why were you disappointed with the position feedback. Will it be ok on a slow moving bed? Do you think a more powerful MCU will do the trick?
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