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Re: PS Head???

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  • wilf_nv
    You are right Simon, my mistake, too rushed to doublecheck. I have posted a non-solar version and removed the offending layout wilf
    Message 1 of 8 , Mar 31, 2009
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      You are right Simon, my mistake, too rushed to doublecheck. I have posted a non-solar version and removed the offending layout

      wilf


      --- In beam@yahoogroups.com, Simon Fraser <yahoo@...> wrote:
      >
      > Hi Wilf
      >
      > You scared me for a minute there! I've built two SPSH from the
      > schematic, and both work well.
      >
      > I've double-checked the circuit at <http://www.beam-wiki.org/wiki/Power_Smart_Heads#Solarized_Power_Smart_Head
      > > against the schematic, and they match. I think you may have been
      > confused because in the circuit the +V rail is at the top, whereas in
      > the schematic, the 0V is on the left (so it's not simply rotated 90
      > degrees). Note also that the 2N3906 and 2N3904 are shown in top view.
      >
      > Simon
      >
      > On Mar 30, 2009, at 10:31 pm, wilf_nv wrote:
      >
      > >
      > > Note the layout of the SPSH at the beam wiki site was incorrect.
      > > Check out the corrected version in my folder first. To unsolarize
      > > it, replace the solar cell with a 3V battery. To simplify the
      > > unsolar SH circuit you can remove all components shown below the IC
      > > and just tie pin 11 to pin 10.
      > >
      > > wilf
      > >
      > >
      > > --- In beam@yahoogroups.com, "jabmechtech" <jabmechtech@> wrote:
      > >>
      > >> hi, Wilf.
      > >> I'm working on a PS head 1DOF, and the motor I'm using dose not
      > >> want to be solarized.
      > >> looking at the circuit, where do I stop the solar part and switch
      > >> to battery?
      > >> I know I need to run pin10 and 19 to grnd, but,
      > >> what do I do with pi 11?
      > >> it gets connected to the collector of the 2N3906,in the solar
      > >> version.
      > >> what dose pin 11 get hooked to in the battery mode?
      > >> thanks for the help.
      > >> jab
      > >>
      >
    • jabmechtech
      THANKS, Wilf, Simon, and JO. jab
      Message 2 of 8 , Apr 1, 2009
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        THANKS, Wilf, Simon, and JO.
        jab

        --- In beam@yahoogroups.com, "wilf_nv" <wrigter@...> wrote:
        >
        > You are right Simon, my mistake, too rushed to doublecheck. I have posted a non-solar version and removed the offending layout
        >
        > wilf
        >
        >
        > --- In beam@yahoogroups.com, Simon Fraser <yahoo@> wrote:
        > >
        > > Hi Wilf
        > >
        > > You scared me for a minute there! I've built two SPSH from the
        > > schematic, and both work well.
        > >
        > > I've double-checked the circuit at <http://www.beam-wiki.org/wiki/Power_Smart_Heads#Solarized_Power_Smart_Head
        > > > against the schematic, and they match. I think you may have been
        > > confused because in the circuit the +V rail is at the top, whereas in
        > > the schematic, the 0V is on the left (so it's not simply rotated 90
        > > degrees). Note also that the 2N3906 and 2N3904 are shown in top view.
        > >
        > > Simon
        > >
        > > On Mar 30, 2009, at 10:31 pm, wilf_nv wrote:
        > >
        > > >
        > > > Note the layout of the SPSH at the beam wiki site was incorrect.
        > > > Check out the corrected version in my folder first. To unsolarize
        > > > it, replace the solar cell with a 3V battery. To simplify the
        > > > unsolar SH circuit you can remove all components shown below the IC
        > > > and just tie pin 11 to pin 10.
        > > >
        > > > wilf
        > > >
        > > >
        > > > --- In beam@yahoogroups.com, "jabmechtech" <jabmechtech@> wrote:
        > > >>
        > > >> hi, Wilf.
        > > >> I'm working on a PS head 1DOF, and the motor I'm using dose not
        > > >> want to be solarized.
        > > >> looking at the circuit, where do I stop the solar part and switch
        > > >> to battery?
        > > >> I know I need to run pin10 and 19 to grnd, but,
        > > >> what do I do with pi 11?
        > > >> it gets connected to the collector of the 2N3906,in the solar
        > > >> version.
        > > >> what dose pin 11 get hooked to in the battery mode?
        > > >> thanks for the help.
        > > >> jab
        > > >>
        > >
        >
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