anelok: PIN input demo

Werner Almesberger werner at
Sun Oct 20 16:02:54 EDT 2013

I made a little video that illustrates how to input a PIN:

The PIN is rather simple, "2013". The current code can also use
letters (you get letters when turning right at the "-"), but I'm too
lazy to edit that clip :)

The user experience isn't very friendly yet. The static alphabet at
the bottom doesn't work so well. Perhaps Anelok should instead show
a short moving sequence of surrounding characters.

The movement of the arrow (or character position) could also be made
a bit smoother since I'm currently only using full steps (when the
wheel clicks into a position) and not half-steps (between positions).

- Werner

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