On May 27, 2005, at 4:12 AM, Russell McMahon wrote:

> Two axis accelerometer IC (ADXL202 and friends.)
> $US15/1 Digikey.

And frequently available cheaper as "tilt sensitive" game controllers,
for instance:
http://www.allelectronics.com/cgi-bin/category.cgi?item=EX-517

BillW
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