Hi folks...
   I've not used an accelerometer in a project before, so I wonder if anyone
can give recommendations.  I think what I'm after is one of the piezo-type
devices; preferably in a very small surface-mount package.  All I really
need is a single-axis capability, but I do need to sense bidirectionally on
that axis.  It needs to be low-voltage (3VDC would be ideal), and have
excellent low freq response (below 2 Hz).  I don't care much about anything
above 100Hz.  It also needs to have good immunity to physical shock (e.g.,
when the moving component carrying the sensor slams into a fixed object); on
this point, I don't yet know how to characterize that force - I know the
mass of the moving component, but not (yet) the force being applied to make
it move.  (p.s. I'm not a physicist, either :^)... just a software guy,
mostly, so if you have any suggestions around that I'd appreciate hearing!).
  Thanks for any ideas you might have!
Jim

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