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Re: [Paparazzi-devel] Booz PCBs from Eurocircuits

From: Marko Thaler
Subject: Re: [Paparazzi-devel] Booz PCBs from Eurocircuits
Date: Fri, 7 May 2010 20:09:09 +0200

Hello Poine,

On May 7, 2010, at 11:25 AM, antoine drouin wrote:

Boards should be available already assembled in a couple of weeks.
I'll let you know as soon as I have more details

Thank you! I very much appreciate it.

I had considered the LPC1768 in place of the STM32F103 when I started
to design Lisa. I chose the STM32 because of the nice peripheral lib
and also because it's available in numerous packages (for QFN36, to
BGA64, BGA100 up to huge QFP 144).

I agree. We used the LPC because of previous experience with this MCU family. STM32 is also quite alluring because of the CAN-bus and the possibility to use it for motor control.

At the moment, the Booz code is happily running on Lisa/L in the STM32
and the poor MCU  is very bored.

Now that we have such a powerful MCU it will be interesting to make a quantitive analysis of the quad hover/control performance with regards to different control loop update rates and used filters. I suspect the hover/control performance could also be increased with stiffening the props and reducing their moments of inertia.



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