Re: Re: [Paparazzi-devel] re: Razor IMU Wiring Diagram

[Martin Mueller]

Hi Simon,

for the TWOG (and the similar Tiny) that is R12, R13, R14 and R15. They divide 
the voltage that is input to the connector (IN_ADC_5 / _6) into a smaller 
voltage that is given to the processor (ADC_5 / _6). To eliminate them remove 
R14 and R15 and short R12 and R13.

Martin

----- original Nachricht --------

Betreff: Re: [Paparazzi-devel] re: Razor IMU Wiring Diagram
Gesendet: Do, 27. Jan 2011
Von: Simon Wilks<address@hidden>

> On Tue, Jan 25, 2011 at 2:52 PM, Christoph Niemann
> <address@hidden> wrote:
> > As I won't get home this week, wich would enable me to have a look, I
> just
> > can say out of my memory it looks fine. But have a look at the voltag
> > deviders.
> 
> What are the voltage dividers are you referring too? I looked up what
> a voltage divider is but don't quite get what this means in terms of a
> TWOG/Tiny. Are you referring to some or all of the 3.3v pins?
> 
> >
> > Cheers
> >
> > Christoph
> >
> > Am 25.01.2011 14:00 schrieb "Simon Wilks" <address@hidden>:
> >
> > So in the case of Ana:
> >
> > ADC_0 = IRV connector (pin 3)
> > ADC_1 = IRH connector (pin 4)
> > ADC_2 = IRH connector (pin 3)
> >
> > ADC_3 = ADC1 connector (pin 5)
> > ADC_4 = ADC1 connector (pin 4)
> > ADC_5 = ADC2 connector (pin 5)
> >
> > And power can come off any of the connector's 3.3v pins. Ground from
> > any ground pin. Correct?
> >
> > In example_twog_analogimu.xml it uses the first three above but in
> > place of the last three it uses:
> >
> > ADC_5 = ADC2 connector (pin 5)
> > ADC_6 = ADC2 connector (pin 4)
> > ADC_7 = USB connector (pin 8)    really?
> >
> > Also good? Does it matter which combination I use as long as whatever
> > I take is defined in the config?
> >
> > Thanks,
> >
> > Simon
> >
> > On Tue, Jan 25, 2011 at 10:32 AM, Christoph Niemann
> > <address@hidden> wrote:
> >> Hi,
> >>
> >> I a...
> >
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> >
> >
> 
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--- original Nachricht Ende ----