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Old Nov 06, 2012, 07:01 AM
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Originally Posted by ala42 View Post
I had a look for that. PA10 I2C2_SDA and PF6 I2C2_SCL, is correct.

PB6 SCL/PB7 SDA is I2C1
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Old Nov 06, 2012, 07:09 AM
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Originally Posted by ala42 View Post
I hope you move the 3-pin connector to the side, as they do not help you under the board
Also add a 5V voltage regulator and add pins that allow to connect a I2C sensor board, e.g. for a barometer. That could be placed below the CPU board.
In the Moment I planed to fit the connection on the botton side. So the PCB can be smallest as possible.

A barometric chip is on the Board, possible to solder direct or with a DIL8 Adapter.

A 5 V regulator I will place
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Old Nov 06, 2012, 07:17 AM
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If you want to use I2C2, than remap both lines to port F and do not use PA10, which is the default USART1 port RX line used by the CPU built in boot loader.
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Old Nov 06, 2012, 07:50 AM
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Originally Posted by JoergSH View Post
In the Moment I planed to fit the connection on the botton side. So the PCB can be smallest as possible.

A barometric chip is on the Board, possible to solder direct or with a DIL8 Adapter.

A 5 V regulator I will place
Not to look a gift horse in the mouth but horizontal pins off of one of the short edges would make for cleaner wiring IMO.
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Old Nov 06, 2012, 08:00 AM
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Originally Posted by Zr_Flyer View Post
Not to look a gift horse in the mouth but horizontal pins off of one of the short edges would make for cleaner wiring IMO.
No Problem, I open my mouth wide

But I donīt understand what You want? I think You want to change Position of the in and output jumpers. I think I will do that.


@ ala42. That is the Pin witch Vinz used in his Documentation. Everything could be changed in the Moment.
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Old Nov 06, 2012, 08:17 AM
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FYI--For those in the US, F3 board is now instock at Digikey.
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Old Nov 06, 2012, 08:26 AM
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Originally Posted by JoergSH View Post
No Problem, I open my mouth wide

But I donīt understand what You want? I think You want to change Position of the in and output jumpers. I think I will do that.


@ ala42. That is the Pin witch Vinz used in his Documentation. Everything could be changed in the Moment.
Yep, in and out connectors to the edge with something like
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Old Nov 06, 2012, 08:58 AM
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FYI--For those in the US, F3 board is now instock at Digikey.
Thanks for the heads up, 2 on order......
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Old Nov 06, 2012, 11:45 AM
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FYI--For those in the US, F3 board is now instock at Digikey.
Wow sold out
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Old Nov 06, 2012, 12:14 PM
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for those in Europe, Rutronik.com has some on stock in the German warehouse.

they have an old picture in the catalog but it is there articlenumber TOOL3470. (i already have received 2 boards from them and it's the correct board)

The only thing is that you need a valid VAT number to buy from them.
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Old Nov 06, 2012, 12:23 PM
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Hi robert,
this will be possible when the board is finished .
I started yesterday evening, please be patience

Joerg
hi joerg,
this is good news.
i am extremely bad when it comes to soldering.
and some sort of fpu is urgently needed.

best robert
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Old Nov 06, 2012, 12:28 PM
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Thanks for the heads up, 2 on order......

on stock here as well.
need also to grap 2
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Old Nov 06, 2012, 12:39 PM
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Originally Posted by Menno View Post
Isn’t this for the F4Discovery board?

I’m also drawing a PCB board in Eagle CAD for the F3Discovery. This is slow progress however because I have never worked with these kind of programs before. I will try to post my progress tonight when I get home.
I also think the same (since it has that flash chip) ? Or are we seeing maybe something wrong ?
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Old Nov 06, 2012, 02:39 PM
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I planned this layout now.

I added ESD protection for the Inputs.

Now there is a lot of more free space.

I think a 5V Regulator is not needed. The OpenPilots have none.
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Old Nov 06, 2012, 03:02 PM
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I also think the same (since it has that flash chip) ? Or are we seeing maybe something wrong ?

Donīt know what You see. What is the problem???
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