Re: [Paparazzi-devel] GPS battery.

[Prof. Dr.-Ing. Heinrich Warmers]

Hi,
we had some trouble with the SAM-LS with batteries. If the voltage is in the dead zone the module had never a reset after power on.
We remove the battery  and connected the voltage input pin to grnd. Then it works, but need up to 15 minutes for a fix.
Same modules have no Flash memory (NAVILOG). They will lose the settings, if  the module has a long time  (>6-8 months) without power on.

Heinrich
 

Helge Walle schrieb:

That's definitely the one on my board.

I always thought it was a battery...

Thanks again,
Helge.

2011/11/27 Martin Mueller <address@hidden>

Hi Helge,

in the original design it is the Paparazzi "standard" Panasonic 0.2F capacitor, no replacement needed.

http://www.panasonic.com/industrial/components/pdf/ABC0000CE19.pdf

Martin

On 11/27/2011 03:08 PM, Helge Walle wrote:

Thank you Martin,

The board is marked GPS13 V0.90. I bought it from CheBuzz in 2009.
It seems to be an ordinary "watch" battery in the clip. It has 7mm
diameter.
Helge.

2011/11/27 Martin Mueller <address@hidden <mailto:address@hidden>>

   Hi Helge,

       I am currently installing a Paparazzi LEA-5H-0-007 GPS board into my
       Funjet. The board is now 2+ years old, and I consider the life
       of the
       battery.


   that is the name of the u-blox module, not the entire board. Do you
   have the name of the board? Most Paparazzi GPS boards have large
   capacitors rather than batteries (that retain data and clock for
   hours/days).

       Are there any signs I should look for that would show a weak
       battery?
       Also, if I change the battery, will the GPS hold configuration data
       while it is being done?


   In any way it will work again when replacing a battery and having it
   receive satellites again. The backup battery only influences the
   time to first fix and its initial quality.

   Martin

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