Pencil drawing of a sensor actually is a sensor

Discussion of electricity, electronics, electrical components and theories of circuit operation.
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duane
Posts: 113
Joined: Sat Oct 01, 2011 5:46 pm

Pencil drawing of a sensor actually is a sensor

Post by duane » Mon Mar 03, 2014 12:38 pm

http://phys.org/news/2014-02-pencil-sensor.html

Pencil drawing of a sensor actually is a sensor

LannyDionisio
Posts: 1
Joined: Tue May 06, 2014 9:38 am

Pencil drawing of a sensor actually is a sensor

Post by LannyDionisio » Tue May 06, 2014 9:47 am

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.

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