Ardupilot 2.8 - Randy Mackay - Questions

@ArduNoob wrote:

Firstly Merry Christmas & Happy New Year to you all

Today I got my first Ardupilot 2.8 with the Elegoo Uno Starter Kit to help me learn the basics.

Upon installing and calibrating the Ardupilot 2.8 everything’s works perfectly. I would like to know the following info & im happy to pay whoever can assist me via PayPal and maybe we can connect via Skype for a online tutorial.

My first question is:
As you can see in this video upload provided by Randy Mackay he uses the Ardupilot to log Sonar Data and then processes the Log Data or Flash Data to then be viewed on a map visually: https://youtu.be/msX9GsBZDtY

I wanted to know rather than having the datalog/dataflash map the sonar to then be processed and viewed on google earth, is it possible to map the same data in the same way but for current and voltage sensor instead?

Randy on YouTube then replied:

It is possible because all the data is in the logs but might require some post production of the log. It’s best if we discuss this in the Ardupilot Rover Support forums.

So that’s my first query regarding logging voltage or current data and then viewing that in a google earth format.

Second Question is:

I have noticed that the PIxhawk comes with an SD card which is for storing log data. The Ardupilot does not come with a SD Card so I assume there’s something inside which stores the data. If that’s the case how much data can the Ardupilot store & am I able to upgrade the storage capabilities if the storage size isn’t large enough? Let’s say I wanted to record a rovers data for 3-4 hours, does the Ardupilot have enough internal storage to record Voltage & Current readings? I will not need data for anything else other than for saving Voltage & Current readings so maybe that might be enough space? Or ultimately will I need to send back the Ardupilot & get my Wife to buy me a Pixhawk instead?

Thanks for all your time in reading my questions and i look forward to your replies.

Kind Regards,

Mus

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