paparazzi-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Paparazzi-devel] apogee board 2.0 - feature questions


From: Jan Čapek
Subject: Re: [Paparazzi-devel] apogee board 2.0 - feature questions
Date: Mon, 12 Oct 2015 18:33:06 +0200

Hi Andreas,

see my comments below:
On Mon, 12 Oct 2015 13:45:06 +0200
Andreas Philipp <address@hidden> wrote:

> Hi,
> 
> good to hear about the further progress of this already excellent
> piece of hardware! Just to mention a very small issue: we are always
> mounting the apogee upside down in order to have access to the molex
> connectors. It is possible to tell the firmware about that in the
> airframe file. However we cannot see the LEDs any more. 
Moving the LED's would be rather hard as there is already very little
space on the connector side ;-) However, when the board is mounted in
quadrotorcraft, I can see them from the side very well.
> It is really
> something you can live with and I don't think it is easy to address
> this "problem" by changing the design of the board. However may be
> something comes to your mind, making things generally easier with a
> reversed board. Just a thought ...
> 
> Best regards,
> Andreas
> 
Jan
> On 10/12/2015 11:17 AM, Jan Čapek wrote:
> > Hello,
> >
> > we have decided to update apogee board due to discontinuation in
> > production of some parts. I would like to know the opinion of the
> > interested paparazzi developers on the changes:
> >
> > - IMU will be updated with MPU9250. This will eliminate need for an
> >   external magnetometer
> >
> > - SD card sold is discontinued, and will be replaced by the one
> >   currently in production by molex
> >
> > - mounting holes - we find the 1.8mm holes pretty difficult for
> >   mounting the board. The holes will be changed to 2.5mm
> >
> > - servo connectors - we would like to turn the 3 pin connectors 180
> >   degrees, so that pin 1 corresponds with servos signal. This will
> > make the board consistent with the standard molex 1.25->futaba/JR
> > harness cables
> >   
> > (http://hobbyking.com/hobbyking/store/__46385__Male_Molex_1_25_to_Female_JR_Servo_Extension_1pc_EU_Warehouse_.html?strSearch=molex%201.25)
> >
> > - power connector - we find the power connection to the board a bit
> >   difficult without a proper connector. The 4mm connectors (the
> > distance between the 2 pads) are rather too big for such a tiny
> > board. We will place a 4 pin 1.25mm molex blade header - pins 1,2
> > as Vdd+, and pins 3,4 as GND. This will still leave the option to
> > solder wires directly to the board.
> >
> >
> > Any other objections regarding the board update are very welcome.
> >
> > Best regards,
> >
> > Jan
> >
> 
> 
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel




reply via email to

[Prev in Thread] Current Thread [Next in Thread]