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Optical Flow Sensor and APM 2.5

Posted by Christiaan van Vollenstee on June 25, 2013 at 11:38am

I m trying to connect my optical flow sensor to my APM 2.5 but having a very hard time.

 

I have successfully uploaded the pde test file and install the python 2.7 and uploaded the python script successfully but nothing I send in a I and a M and no data is returned.

 

I was afraid the low light was an issue so I used LED's and I turned the lens in and out over and over again and nothing.

 

 

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Tags: 25, flow, optical, sensor, apm
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Replies

    • Ufuk Irmak > VENKAT RAVI KISHORE February 22, 2014 at 7:37am

      hi ,

      could you post me the photos thank you.

      uirmak20@gmail.com

    • Low Seng Kiat > VENKAT RAVI KISHORE February 9, 2014 at 7:15am
      Can I have ur setup too? My email is sengkiat21@gmail dot com
  • VENKAT RAVI KISHORE February 2, 2014 at 10:10pm
    Hi, two days back I tested my optical flow sensor with APM2.5 and its working quite well and even I'm able to grab the images. If you guys have any doubts feel free to ask me.
    Thanks.
    • Raj Shah > VENKAT RAVI KISHORE June 2, 2015 at 8:50pm

      Hi,

      I connected the optical flow sensor with the APM2.5. However, I'm not sure what to do next. Could you please guide me? My email address is r43shah@uwaterloo.ca

      Thank you very much.

    • Daniel Horsley > VENKAT RAVI KISHORE March 24, 2015 at 12:44am

      Hi Venkat, I know post is quite old now, but I have wired my optical flow up as shown above (same as arducopter web page) but can not get it to work, just getting a green power light. Any advice or photos would be much appreciated.    danielhorsley at hotmail dot com

    • Will Hain > VENKAT RAVI KISHORE November 23, 2014 at 1:31pm

      Hi, I know this is digging things up but I have a problem with my optical flow. When using the test sketch it returns nothing but zeros. It says at the beginning "Failed to initiate ADNS3080" and if I use a normal firmware, in the terminal it says "Failed to init optflow". Have you got any ideas? I can't seem to find a reason it wouldn't be working

  • Christiaan van Vollenstee July 11, 2013 at 4:09am

    Ok I have uploaded the arducopter 2.9b and went to the CLI to test the optflow but it just gives 0's on the output.

    • sufal thakuri > Christiaan van Vollenstee April 14, 2014 at 5:34am

      Hi,

      Can you tell me where did you get 2.9b firmware..

      Thanks

      Sufal

  • Christiaan van Vollenstee June 25, 2013 at 11:15pm

    So what is the steps?

    1. Download ArduCopter 2.9b from the repository

    2. Upload it thru Arduino IDE

    3. Upload optical flow test pde (I was under the impression if you upload this it will override the previous code set)

    4. Use the python to test the optical flow.

  • Christiaan van Vollenstee June 25, 2013 at 11:42am

    It is plugged in as in the described as here

     

    3692756099?profile=original

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