This is the Arduino Seismograph V2.0, this is just the concept of one idea, it's no longer use an piezo buzzer like my previous seismograph, this one use an optical mouse as the input sensor, of course this idea has some pros and cons.
The Pros:
-It has a high level of sensitivity to the movements.
-Capable of detect the Vertical and Horizontal movements.
-Only use 2 digital inputs.
The Cons:
-The installation problem, since it will be hard to desing the way that the ccd sensor of the mouse sense the moves of the ground, I'm thinking leave the mouse static and some sort of plane with an stripe or square pattern that will move up and down with an weigth above (check image).
-The possible friction since the sensor needs to be very close to the plane to detect the movements.
After all this is just an concept, so it can be or not built.
I leave you the video of the test #1.
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