use the adxl311, a lot cheaper ($6.38 directly from
ad).


--- Russell McMahon <apptech@paradise.net.nz> wrote:
> > Someone they approached suggested mercury tilt
> switches, but in
> 
> > Any ideas ?
> 
> Two axis accelerometer IC (ADXL202 and friends.)
> $US15/1 Digikey.
> 
> Mount horizontal to monitor tilt in a plane.
> Accept local accelerations at set time as "normal".
> Trigger alarm when desired criteria met.
> 
> 
>     RM
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