Re: [Paparazzi-devel] Lisa/M Power Input Inquiry

[Chris Wozny]

Thanks Simon,

What I did for now was just powered the board over microUSB since I am
currently only trying to build and flash Lisa/M. I will take the
information you provided and post it on the wiki.

- Chris

On Fri, Jan 20, 2012 at 2:29 PM, Simon Wilks <address@hidden> wrote:
> Hi Chris,
>
> There are several ways to do it. You can have a look at this thread which
> talks about this (and there are others, search for
> wiring): 
> http://lists.gnu.org/archive/html/paparazzi-devel/2012-01/msg00005.html
>
> I did it similar to Eduardo and connected 7V using a BEC to VIN and the
> VBATT goes directly to the DC power's (Lipo in my case) positive wire which
> will let the Lisa M monitor the actual battery voltage. The allowed power
> range is 5V (I just tried it and it worked) through to something over 20V
> apparently. Can't recall exactly. But something like 11V - 16V is the around
> the range you get from 3S - 4S Lipos.
>
> Ampere ratings shouldn't be too important as long as it isn't too low. The
> board takes what it needs. From my measurements normal operation with XBee,
> Spektrum Satellite and GPS attached seems to draw around 0.2A if I recall
> correctly.
>
> Simon
>
> On Fri, Jan 20, 2012 at 9:43 PM, Chris Wozny <address@hidden> wrote:
>>
>> All,
>>
>> We are currently using Lisa/M for a research project. There are some
>> crucial (yet simple) pieces missing from the documentation with
>> regards to power input. We are using a DC Power Supply to power our
>> board initially and are confused as to how to actually power it. For
>> the Lisa/M power input, are we to use VBATT or VIN? What voltage
>> should we use to power it from a DC power supply? Also, should we
>> limit the current to a certain milliamperage so we don't fry the
>> board?
>>
>> Thanks,
>> Chris Wozny
>> --
>> Chris Wozny
>> University of Arizona MAV