[oopic] Re: OOPic-R and Total Robotics GPS

--- In oopic@yahoogroups.com, "bimityedye" <bimityedye@...> wrote:
>
> --- In oopic@yahoogroups.com, kevsl294@ wrote:
> >
> > I've been trying to interface the DS-GPM GPS module from Total
> Robotics with an OOPic-R. The wiring schematic that came with the
> module indicates that the SDA and SCL input lines need to be
> connected to the I2C port on the OOPic-R board, and that it needs to
> be powered as well. I have made all necessary connections according
> to the diagram and downloaded some sample code (the code that came
> with the GPS) to the OOPic 6.0 compiler. There were no errors with
> the downloaded code. I don't know what to do at this point. I'm
> thinking the device is not connected to the right ports on another
> connection needs to be made. I also tried connecting it the PGR port
> by the RS-232 connector to see if that would work. I still had no
> luck. If anyone can help in any way please let me know.
> >
> > Thanks,
> > Kev1814
> >
> This happens to me all the time. If I power an external circuit by
> itself I'm usually forgetting to connect a common ground between the
> OOPIC and the external circuit. Maybe that's the problem here too.
>

How about a link to the datasheet?

You would use the I2C connector adjacent to the RS232 connector. You
would NOT install the Pull-Up jumpers (page 2)

For the OOPIC-R (which has a decent voltage regulator for the uC), you
run all 4 wires from the I2C connector. For other OOPIC, you need to
use the 6-16V input and a separate supply (page 2). There is a
factory cable for the OOPic R.

Richard

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