[Paparazzi-devel] Paparazzi Ground Station on Mikrokopter Hardware

[erdem hamamcı]

Hi everybody,
 
I'm a mikrokopter user now and observing your works from this group for a long time. Now I want to try your software on my current hardware, but...
I want to ask, is there anybody tried this before, or there are any technical (or?) restriction prevent this implementation?
 
Thanks
 
Erdem
 
 
 
 
    
> Date: Mon, 1 Mar 2010 02:00:14 +0100
> Subject: Re: [Paparazzi-devel] Booz Barometer R1, R2, and Rs Values?
> From: address@hidden
> To: address@hidden
>
> digikey : MPXH6115AC6T1CT-ND
>
> On Mon, Mar 1, 2010 at 1:56 AM, Jayson MacKiddie
> <address@hidden> wrote:
> > Hello Poine,
> >
> > Much obliged! :) Thank you. Could I trouble you for an MPX 6115 part number?
> > There are many options in the series and I'd like to make sure I've got it
> > right. I've narrowed it down quite a bit, but I'm probably better off just
> > asking.
> >
> > Regards,
> > Jay
> >
> >
> > On Sun, Feb 28, 2010 at 7:41 PM, antoine drouin <address@hidden> wrote:
> >>
> >> Don't populate the 24 bits ADC (U$9) and associated parts ( R38, R39,
> >> R40, U$10, C33, C34)
> >> We use the LPC2148 internal ADC, hence the variable offset amplifier
> >>
> >> On Mon, Mar 1, 2010 at 1:24 AM, Jayson MacKiddie
> >> <address@hidden> wrote:
> >> > Hello Poine and David,
> >> >
> >> > Thank you! Poine, do you have values for R38, R39, and R40 in the
> >> > adjustable
> >> > voltage referance circuit to the -VREF terminal of the ADC? Or do I need
> >> > to
> >> > determine an appropriate value according to the MPX 6115 output at our
> >> > altitude. I'd be happy with a value you're using at the moment and we
> >> > could
> >> > tweak things once we get ourselves flying.
> >> >
> >> > Regards,
> >> > Jay
> >> >
> >> >
> >> > On Sun, Feb 28, 2010 at 6:18 PM, antoine drouin <address@hidden>
> >> > wrote:
> >> >>
> >> >> Hello
> >> >>
> >> >> There is a little scilab script  (
> >> >> paparazzi4/trunk/hw/booz/baro_amp.sce ) which you can use to play with
> >> >> the values of the resistors.
> >> >>
> >> >> The values on the schematics, ie
> >> >>  R10 = 27e3;
> >> >>  R5  = 390;
> >> >>  R6  = 12e3;
> >> >>  R20 = 560;
> >> >>  R21 = 680;
> >> >> gives you an altitude range of -500m:930m ( with ground pressure at
> >> >> 1013 ) which is a bit silly
> >> >>
> >> >> You might want to lower R20, for example
> >> >>  R10 = 27e3;
> >> >>  R5  = 390;
> >> >>  R6  = 12e3;
> >> >>  R20 = 220;
> >> >>  R21 = 680;
> >> >> gives you an altitude range of -380m to 1530m which is a bit better (
> >> >> you want the negative value if you want to be able to fly at sea level
> >> >> on a high pressure day )
> >> >>
> >> >> There is a slightly better script in
> >> >> paparazzi4/trunk/hw/lisa/pressure.sce which takes sea level pressure
> >> >> into account ( the one in booz doesn't, feel free to improve it )
> >> >>
> >> >> Regards
> >> >>
> >> >> Poine
> >> >>
> >> >>
> >> >>
> >> >> On Sun, Feb 28, 2010 at 9:28 PM, Jayson MacKiddie
> >> >> <address@hidden> wrote:
> >> >> > Hello all,
> >> >> >
> >> >> > We have decided to add the booz barometer to our Booz main boards. We
> >> >> > have
> >> >> > the parts list but what are the values of R38=Rs, R39=R2, and R40=R1
> >> >> > in
> >> >> > the
> >> >> > adjustable voltage referance circuit to the barometer? Are they to be
> >> >> > specified based on local altitude to take full advantage of ADC
> >> >> > resolution?
> >> >> > Regards,
> >> >> > Jayson MacKiddie
> >> >> >
> >> >> > _______________________________________________
> >> >> > Paparazzi-devel mailing list
> >> >> > address@hidden
> >> >> > http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> Paparazzi-devel mailing list
> >> >> address@hidden
> >> >> http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >> >
> >> >
> >> >
> >> > --
> >> > Jayson MacKiddie
> >> >
> >> > _______________________________________________
> >> > Paparazzi-devel mailing list
> >> > address@hidden
> >> > http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >> >
> >> >
> >>
> >>
> >> _______________________________________________
> >> Paparazzi-devel mailing list
> >> address@hidden
> >> http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >
> >
> >
> > --
> > Jayson MacKiddie
> >
> > _______________________________________________
> > Paparazzi-devel mailing list
> > address@hidden
> > http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >
> >
>
>
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