Douglas Butler wrote:
>
> Might I suggest an accellerometer package such as a 3 axis Crossbow.  It
> is small and light and costs about US$300.  The user could swirl his/her
> head to turn pages foreware and backward.  Various nods could also be
> decoded.  I think it could be very intuitive.
> Check out www.xbow.com product CXL04M3.

A neat idea - Smaller, lighter, and way cheaper would be Analog Devices
ADXL202, which has 2 axis of sensitivity and a PIC-friendly PWM output.
For the proposed use AD would likely sample out some if asked.

regards, Jack

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