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  • Author Author: benmtl
  • Date Created: 31 Jan 2014 2:13 AM Date Created
  • Views 985 views
  • Likes 1 like
  • Comments 5 comments
  • raspberry
  • python
  • touch
  • pi
  • screen
  • linux
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First Pi project...

benmtl
benmtl
31 Jan 2014

Well now that I have a pi and a goal .. I have started my first project. I am going to be at least trying to make a voltage monitor / logger.  I have come to need this tool a few times at work. Since anything commercial is too costly so ... here we go ...

 

Step 1:  Hardware gathered

1 - raspberry pi (b)

1 - 32 gig SD

1 - 2.5 touch display

1 - Yocto-Volt ( http://www.yoctopuce.com/EN/products/usb-sensors/yocto-volt )

 

Have gathered all my hard ware including a 3 amp powered USB hub. I am planning to write my code in python using  wxPython libraries. writing the code on my main linux pc and then coping it to my pi.

 

please bare with me it has been along time since I have written anything like this or much code at all.

 

... let the fun and games begin ...

Design for the gui done

 

Ok .. now the next bunch of fun install wxpython on the pi ... here is the guide I used ...

http://ananddrs.com/2013/07/10/building-and-installing-wxpython-2-9-4-0-on-raspberry-pi-raspbian/

last step if running right now .. will make another update in about 8 hours when the build is done.

 

oh almost forgot .. had to resize the main form at the display is only 320x240 ... sized the form to 300x200.

more news to follow .....e

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Top Comments

  • benmtl
    benmtl over 11 years ago in reply to Former Member +1
    Oh yes..I will keep up dating as I go .. and when done will post the code as well. Long live open source.
  • benmtl
    benmtl over 11 years ago +1
    Well it is working .. not real pretty code yet .. but it reads the voltage at a given interval and writes it to both the screen and a csv file on the SD card. There are a couple of issues yet .. the only…
  • benmtl
    benmtl over 11 years ago

    Well it is working .. not real pretty code yet .. but it reads the voltage at a given interval and writes it to both the screen and a csv file on the SD card. There are a couple of issues yet .. the only way to end the reading loop is with ctrl-c right now, and I can't get the reading loop to run with wxPython. I am sure this is just something I have miss coded .. will find it ... always do.

    Next it is time to fit all the parts into a case that can be taken on site and left for a week, month or as long as needed. ... pictures to follow ...

     

    Ben

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  • benmtl
    benmtl over 11 years ago in reply to Former Member

    Oh yes..I will keep up dating as I go .. and when done will post the code as well. Long live open source.

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  • Former Member
    Former Member over 11 years ago

    Good luck with this, I do hope we'll get to see the finished result.  

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  • Former Member
    Former Member over 11 years ago

    This looks like an interesting project and I will be following it - I wish you success !   Might even try something similar myself.  

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  • bluescreen
    bluescreen over 11 years ago

    This looks really cool, Bentley! I look forward to seeing it come to life. image

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