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[DPRG] Accelerometer Questions

Subject: [DPRG] Accelerometer Questions
From: Chuck McManis cmcmanis at mcmanis.com
Date: Wed Nov 20 18:33:00 CST 2002

Weird off the wall idea. Could you create a sphere with LEDs on the outside 
that a steel ball bearing on the inside? The ball would roll around and a 
mesh of contacts would create a circuit that would turn the LED on the 
other side of the sphere on. Sort of a high tech sealed plum bob. :-)


At 06:11 PM 11/20/02 -0600, Frank & Gail Elia wrote:

>Has anyone worked with the ADXL105 or similar from Analog Devices?
>I need to find a way to tell if I am moving underwater.This past weekend I 
>found myself diving in Lake Travis. At the bottom of the Lake it was so 
>dark even powerful lights didn't help. The problem was having no 
>reference, I could not tell if I was ascending/descending without 
>constantly monitoring my dive computer. What I want is a simple device 
>that will tell my if I'm going up or down via a simple audio tone.
>You could monitor changes in pressure, but it seems an accelerometer would 
>do the job more simply, but I'm open to suggestions.
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