RE: [CAD_CAM_EDM_DRO] Things to check? Crispy Fried Geckos? No motion...

Alan,

It would if the power supply was the PC. In this case he is connected to
a laptop and the power supply is in a separate PC case. There is no
common between his power supply and his PC therefore not complete
circuit and no current flowing.

Tim
[Denver, CO]
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> -----Original Message-----
> Hi Tim,
>
> I'll have to disagree. the current flows from the +5,
> through the Gecko's opto, and back in through the signal pin
> (pins 2 - 9). The ground connection is NOT required.
>
> Alan KM6VV
> SherlineCNC
>
>
> Tim Goldstein wrote:
> >
> > Power supply - - +5 - - - Gecko - - Opto in Gecko - - - PC
> >
> > So how is current going to flow, You have an open circuit.
> >
> > Connect the ground from the power supply to the PC ground
> and you now
> > have a complete circuit.
> >
> > Tim
> > [Denver, CO]
>
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