Photo credit: Windell H. Oskay, www.evilmadscientist.com bridell.com
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Browsing posts tagged with “tutorial”

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How to use min() and max() – and a DIY unit test

November 8th, 2007

So, there I was, coding a little thing in Processing. I was just testing out this thing where the user could drag control points around in a window, and I just needed to make sure she didn’t drag them out…

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How to use a piezo element as an arduino sensor

November 2nd, 2007

Piezo sensor

A bare piezo element makes a really cheap force sensor .

This example uses two piezo elements, back to back, with an o-ring in between.

Solder wires to the piezo element, one to the center piece and one to the rim (or…

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