Installing additional core software packages
The two packages that you'll add here are a core vision package called OpenCV and a core voice recognition package called pocketsphinx. It's up to you whether to use them or not, but allowing your robot to see, hear, and speak seems like it should be a part of any robotics project, so adding them now will make them easier to use later. Let's start with OpenCV.
First, when you created your SD card, you copied an image to your card. So now, your card thinks it is only the size of the image that you copied, no matter what size it really is. You'll need to reclaim this space.
To do this, you'll need to issue some fairly cryptic commands, but fortunately, you'll be able to use the defaults, so it will be ...
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