That is one of the best little gadgets I've seen created, Wow that guy's good!!! I got briefly distracted by one the avatars on the RX site, so haven't read all the posts yet, has Pieter3d indicated if this will be an item he'll manufacture? Good find Doc (no pun intended!)
Not that difficult to add memory , or capture to a memory card as per dashdaq. slight mod to board , would think that this guy possibly will add ,once some more r&d done.
Great example of thinking outside the box.