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Pencil drawing of a sensor actually is a sensor

Posted: Mon Mar 03, 2014 12:38 pm
by duane
http://phys.org/news/2014-02-pencil-sensor.html

Pencil drawing of a sensor actually is a sensor

Pencil drawing of a sensor actually is a sensor

Posted: Tue May 06, 2014 9:47 am
by LannyDionisio
Well! It’s not the new technique, 30 years ago, I memorize calculating the resistivity of usual graphite pencil on paper, to have simple resistances of high rate, reason of the thickness and size of the graphite trace, but it is so much sensitive to any thing that it is not dependable and not reproducible.