Bas Wijnen wrote:
> Just that for
> programs where this isn't the case (and it may not be trivial for
> all programs if it is), IMO it's worth it to design a new interface,
> which in many cases may require a complete rewrite of the program.
How about something simple and useful - a password safe ?
The Ben's chastity when it comes to commmunicating would be a benefit
there. Small size a must.
If you want fancy, when teach atusb how to be a USB keyboard and make
the Ben send the password - with proper encryption - to atusb to "type"
it. Optionally the user name or such as well.
> Sure, but I like the Ben to fit in my pocket, and a (comfortable)
> mouse doesn't even fit there on its own, let alone together with the
> Ben.
An idea for the mouse: use an acceleration sensor to detect movement
on a surface ("table mode") or inclination ("levitation mode"). Maybe
have a local MCU to do basic preprocessing. Then send the results to
the Ben via UBB. If you want fancy, put an 802.15.4 transceiver into
the mouse and go wireless.
For the mouse button, this critter may be useful:
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P13351SCT-ND
Should make it possible to have all three standard button functions
and maybe also the two scroll buttons with a single switch and a
single button.
- Werner
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