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These are the english build instructions for the OpenROV IMU/Depth Module.

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Can I save and read out the IMU data?

can save and read out the IMU data and reconstruct an trajectory?

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You can save out the serial stream as a .json file that you can pull the IMU data from.

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Anyone know how to get the json file described in the above reply? I would highly appreciate it if you could explain how I can get the readings as I am currently trying to configure the sensor with an Arduino controller.

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In the OpenROV Cockpit software it is pretty easy to do. Click the "r" button on your keyboard to start the recording. There is an icon in the top right of the screen that will turn from red to green. In order to download the data: while still recording, click the "Download Data" button. This will download the JSON file.

Hope this helps.

-Brian G.


Hi is there a way for me to write a program or script to retrieve that json data without using the keyboard or clicking the OpenROV cockpit software? I just want to have a program that will take the json and use that data to calculate some orientation of the ROV.




A post on the forum would allow more people (especially our software team) to see your question and hopefully get it answered. I unfortunately don't have an easy way off the top of my head. - Brian G.


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Paul will be eternally grateful.
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