power module pinout?

[Jonathan Challinger]

Is this documented somewhere? I'm assuming it probably has 2 ground pins, 2 Vcc pins, and 2 sensor pins... but where are they on the connector?

[Craig Elder]

the schematic for Pixhawk including the power module is here 

https://github.com/PX4/Hardware

On Sat, Feb 8, 2014 at 3:25 PM, Jonathan Challinger <mr.cha...@gmail.com> wrote:

Is this documented somewhere? I'm assuming it probably has 2 ground pins, 2 Vcc pins, and 2 sensor pins... but where are they on the connector?

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[john...@gmail.com]

Great! I would like to suggest some pdf (or similar) of the schematics also for those that just want to take a quick look for reference and don't have Eagle installed.

- JAB

[Craig Elder]

There's a .pdf in there too

[john...@gmail.com]

Hi Craig, not that I can see if we are still talking about the https://github.com/PX4/Hardware/ folder? But I did find a PDF on the Pixhawk webpage http://pixhawk.org/modules/pixhawk

[Robert Lefebvre]

I agree John.  I really would like to see schematics published as PDF's all the time, rather than Eagle files.  Posting Eagle files seems like an unnecessary barrier to users getting info.  Even better if these were all linked somewhere in the wiki.  I usually end up going to the 3DR store to get the specs, and then I have an "oh crap, I don't have eagle on this computer" moment, so I end up googling the schematics which usually turns up a post on DIYD with a pdf of unknown accuracy...

[Meier Lorenz]

Hi Robert,

The PX4 docs have always been the reference for these boards, and you’ll always find a reference schematic PDF plus helpful notes on connectors and ratings there.

http://pixhawk.org/modules/pixhawk

Craigs suggestion was however better if you have Eagle installed - the Eagle files are guaranteed to be most up to date and browsing them is (if you know how to) more effective than the plain PDF.

For your daily documentation needs the wiki should do fine.

Cheers,
Lorenz


------------------------------------------------------
Lorenz Meier
Computer Vision and Geometry Group
Institute for Visual Computing
ETH Zurich
http://www.inf.ethz.ch/personal/lomeier/

Am 09.02.2014 um 17:04 schrieb Robert Lefebvre <robert....@gmail.com<mailto:robert....@gmail.com>>:

I agree John. I really would like to see schematics published as PDF's all the time, rather than Eagle files. Posting Eagle files seems like an unnecessary barrier to users getting info. Even better if these were all linked somewhere in the wiki. I usually end up going to the 3DR store to get the specs, and then I have an "oh crap, I don't have eagle on this computer" moment, so I end up googling the schematics which usually turns up a post on DIYD with a pdf of unknown accuracy...

On 8 February 2014 21:04, <john...@gmail.com<mailto:john...@gmail.com>> wrote:
Great! I would like to suggest some pdf (or similar) of the schematics also for those that just want to take a quick look for reference and don't have Eagle installed.

- JAB


On Sunday, February 9, 2014 12:33:28 AM UTC+1, Craig@3DR wrote:
the schematic for Pixhawk including the power module is here

https://github.com/PX4/Hardware


On Sat, Feb 8, 2014 at 3:25 PM, Jonathan Challinger <mr.cha...@gmail.com> wrote:
Is this documented somewhere? I'm assuming it probably has 2 ground pins, 2 Vcc pins, and 2 sensor pins... but where are they on the connector?

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[Robert Lefebvre]

Good point Lorenz.  I have been trying to shift my thinking to remember to check your pages for info, sometimes I forget.  But just thinking about Arducopter users, it would make sense to have these in the Arducopter wiki as well.

Rob

[Meier Lorenz]

Hi Rob,

On the contrary I think it would be less confusing for users to limit the ACM docs to what users actually need. So e.g. add the pinouts there, but not the schematics.

Once people start to dive into on the HW level, they are much better off with the actual HW docs (which is in the PX4 wiki). This also applies to background info on drivers, JTAG adapters, toolchains. It also avoids duplicating documentation efforts.

Cheers,
Lorenz


------------------------------------------------------
Lorenz Meier
Computer Vision and Geometry Group
Institute for Visual Computing
ETH Zurich
http://www.inf.ethz.ch/personal/lomeier/

Am 09.02.2014 um 17:36 schrieb Robert Lefebvre <robert....@gmail.com<mailto:robert....@gmail.com>>:

Good point Lorenz. I have been trying to shift my thinking to remember to check your pages for info, sometimes I forget. But just thinking about Arducopter users, it would make sense to have these in the Arducopter wiki as well.

Rob

On 9 February 2014 11:30, Meier Lorenz <l...@inf.ethz.ch<mailto:l...@inf.ethz.ch>> wrote:
Hi Robert,

The PX4 docs have always been the reference for these boards, and you'll always find a reference schematic PDF plus helpful notes on connectors and ratings there.

http://pixhawk.org/modules/pixhawk

Craigs suggestion was however better if you have Eagle installed - the Eagle files are guaranteed to be most up to date and browsing them is (if you know how to) more effective than the plain PDF.

For your daily documentation needs the wiki should do fine.

Cheers,
Lorenz


------------------------------------------------------
Lorenz Meier
Computer Vision and Geometry Group
Institute for Visual Computing
ETH Zurich
http://www.inf.ethz.ch/personal/lomeier/

Am 09.02.2014 um 17:04 schrieb Robert Lefebvre <robert....@gmail.com<mailto:robert....@gmail.com><mailto:robert....@gmail.com<mailto:robert....@gmail.com>>>:

I agree John. I really would like to see schematics published as PDF's all the time, rather than Eagle files. Posting Eagle files seems like an unnecessary barrier to users getting info. Even better if these were all linked somewhere in the wiki. I usually end up going to the 3DR store to get the specs, and then I have an "oh crap, I don't have eagle on this computer" moment, so I end up googling the schematics which usually turns up a post on DIYD with a pdf of unknown accuracy...

On 8 February 2014 21:04, <john...@gmail.com<mailto:john...@gmail.com><mailto:john...@gmail.com<mailto:john...@gmail.com>>> wrote:
Great! I would like to suggest some pdf (or similar) of the schematics also for those that just want to take a quick look for reference and don't have Eagle installed.

- JAB


On Sunday, February 9, 2014 12:33:28 AM UTC+1, Craig@3DR wrote:
the schematic for Pixhawk including the power module is here

https://github.com/PX4/Hardware

On Sat, Feb 8, 2014 at 3:25 PM, Jonathan Challinger <mr.cha...@gmail.com<mailto:mr.cha...@gmail.com>> wrote:
Is this documented somewhere? I'm assuming it probably has 2 ground pins, 2 Vcc pins, and 2 sensor pins... but where are they on the connector?

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[Hugues D]

Hi Lorenz,
I found and looked at the PDF which contains a dozen of schematic pages. Where is the god damned power module connector in this Chinese encryption? Not everybody can read these hardware schematics especially because the naming of the ports and PINs do not match the pixhawk community naming...

The power module pin out should be added to the px4 web page where all other ports/connectors are documented in clear decyphered text.

Another undocumented question: what is the ADC range of the voltage and current sensor PINs of the power module? 3.3 or 6.6v ?

Thx for helping

[Meier Lorenz]

Hi,

I’ve added the power module pinout for you. The range is 3.3V nominal, but the pins have input protection so an accidental 5V level won’t fry, just saturate them.

-Lorenz

------------------------------------------------------
Lorenz Meier
Computer Vision and Geometry Group
Institute for Visual Computing
ETH Zurich
http://www.inf.ethz.ch/personal/lomeier/

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[Hugues D]

Thx a lot !