Connecting this disables the system keyboard, removing your ability to type anything but numbers.
@finnvoorhees You don't need anything more than numbers and operators.
@jamesthomson 01110100 01110010 01110101 01100101
@finnvoorhees Could have just gone with “1”.
@finnvoorhees @jamesthomson I know this isn't the point of this post, but those keycaps are HAWT.
@finnvoorhees What are those key caps?
@finnvoorhees I got the NES-style one recently, and hadn't initially thought to do this. But now I know what I'll be using for doing spreadsheets on my iPad…
@finnvoorhees I think that if you can generate an ‘escape’ key code event, then you toggle the software keyboard.