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Re: [Paparazzi-devel] stm32f4 discovery breakout board


From: Marius Pfeffer
Subject: Re: [Paparazzi-devel] stm32f4 discovery breakout board
Date: Mon, 17 Mar 2014 20:37:20 +0100

Hello

Yes i can upload it , but i don't think that will be fun for checking the design.
Maybe you can install the eagle lite version ? (i have created the board with this version)
Eagle can be very helpful for this...

If you have any questions or ideas, just write here, I'll try my best :)

Best regards
Marius




2014-03-17 20:27 GMT+01:00 Karoly Molnar <address@hidden>:
Marius can you upload the schematic and layout in pdf so people not having Eagle (?) can also provide feedback? Or just send it by mail.

Regards
Karoly


On 17 Mar 2014, at 20:22, "Marius Pfeffer" <address@hidden> wrote:

Hello all :)

I think i have finished my breakout board.
Can some people check my design ? (It would be nice if at least two could check my design)
https://github.com/NeoFromMatrix/stm32f4discovery_daughterboard

My ideas for this design:

* Minimum site (currently 100x70mm)
* servo can be supplied with seperate power
* pinout for each connection


Problems that maybe occur:
* interference between pwm and adc
* interference between pwm and pusbutton
* spi select slave maybe not on the apropriate spi channel
* right caps used ??? (low esr), how much µF shoud i use  ???

Currently it doesn't fit completely under the discovery board, hold your discovery board on the screen to see what i mean.


I can order a batch at seeedstudio(costs 3€+shipping for one pcb), but this will be organized later !!!, currently I'm only searching for improvement capabilities.
Maybe i can also order some components at mouser and sell a complete diy solder or already soldered kit for prime cost + donation ;)

Best regards
Marius


2014-03-07 19:21 GMT+01:00 Chris <address@hidden>:
I have sent the eagle files to Marius (Pheffer) as he can make it better equipped for the paparazzi
if i understood him well.
I designed the board with me as a user only in mind so the layout might not be optimal.
Chris




On 03/07/2014 06:51 PM, evan igor wrote:
i'll take one also.


On Fri, Mar 7, 2014 at 2:30 AM, Personal <address@hidden> wrote:
Eurocircuits.com
Upload eagle easily.
Best FAB service ever.

Sent from my iPhone

> On Mar 6, 2014, at 9:38 AM, Chris <address@hidden> wrote:
>
> I think it is ready.
> Anyone has a cheap pcb house that takes eagles files (for a couple prototypes) to recommend?
> Chris
>
> <discovery2paparazzi_breakout.png>
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel

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Attachment: stm32f4discovery-daugherboard-v1-sch.pdf
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