New wishlist item: Side-mounted touch strip sensor

Thomas Gstädtner thomas at
Tue Jun 19 12:36:49 CEST 2007

That's exactly what I already was talking about in the dasher-thread,
because this touchpad would be a cool device to control different things,
especially for dasher text-input in 1D-mode (or 2D). Glad that you found a
matching device.
Imho it shouldn't be a problem for left-handed people, too. Before some
years, I also was left-handed, but I switched to the right hand.
I cannot write by hand with my left-hand anymore (would need some training),
but controlling a mouse, touchpad, trackstick, joystick, ... with my left
hand isn't really a problem.
But it would also be possible to use the forefinger with the right hand and
the thumb with the left hand, so everyone woul be able to use it.e
Btw: RIM shows with their blackberry devices (at least the older ones) how
cool a such device can be. A touchpad would be even better than the

2007/6/19, thomas.cooksey at <thomas.cooksey at>:

> Hi All,
> I've added a new item on the hardware wishlist:
> rip
> Add a "touch strip" sensor onto the side of the phone which can be used
> to scroll. By having it on the side you can use your thumb to scroll
> comfortably while holding the phone one-handed. An 8-element capacitive
> sensor would work wonderfully and be easy to fab using either a Quantum
> QT411 ( or Analog Devices
> AD7143 (,2877,AD7143,00.html) controller.
> The Analog Devices chip seems better suited due to it's smaller
> allowable element size. With the AD7143 you can have an 8-element
> (128-position) 25mm long strip - Perfect!.
> This is an idea which was floated on the SVHMPC list a few months ago.
> The only possible issue is those people who are left-handed. Perhaps a
> strip on each side would be the best way to go. :-)
> Cheers,
> Tom
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