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painted stretch sensor

The experiment results of carbon paint painted on various stretchy fabrics. It shows resistance difference when stretched. The paints are applied by simple stencil method with sticky tapes.

#ST20111
1: Conductive Paint (graphite) 1 layer, on white cotton jersey.
original position: 18M ohm
stretched position: –
#ST20112
2: Conductive Paint (graphite) 2 layers, on white cotton jersey.
original position: 0.6M ohm
stretched position:3M ohm
after stretching:1.2M ohm

#ST20211
3: Conductive Paint (graphite) 2 layers, on off-white cotton jersey.
original position: 84k ohm
stretched position: 500k ohm
after stretching:190k ohm
#ST20212
4: Conductive Paint (graphite) 1 layer, on off-white cotton jersey.
original position: 90k ohm
stretched position:470k ohm
after stretching:270k ohm
(390k ohm resistor as pull up for testing)

#ST20311
1: Conductive Paint (graphite) 1 layer, on off-white cotton fabric (slightly stretchy on horizontal direction)
original position: 200k ohm
stretched position: 1.25M ohm
after stretching:660k ohm
#ST20312
2: Conductive Paint (graphite) 2 layers, on off-white cotton fabric (slightly stretchy on horizontal direction)
original position: 280k ohm
stretched position:830k ohm
after stretching:570k ohm

#ST20411
1: Conductive Paint (graphite) 1 layer, on white cotton fabric (slightly stretchy on horizontal direction)
original position: 19k ohm
half way stretched position: 30k ohm
full stretched position: 25k ohm
after stretching:25k ohm
#ST20412
2: Conductive Paint (graphite) 2 layers, on white cotton fabric (slightly stretchy on horizontal direction)
original position: 56k ohm
half way stretched position: 70k ohm
full stretched position: 55k ohm
after stretching:61k ohm

#ST2012
Stencil pattern print with Conductive Paint (graphite) on white cotton jersey (1 layer)
original position: 24k ohm
half way stretched position: 47k ohm (horizontal stretch)
full stretched position: 24k ohm(horizontal stretch)
half way stretched position: 42k ohm (vertical stretch)
full stretched position: 24k ohm (vertical stretch)

#ST2022
Stencil pattern print with Conductive Paint (graphite) on off-white cotton jersey (1 layer)
original position: 1.2M ohm
half way stretched position: 3.0M ohm (horizontal stretch)
full stretched position: 2.0M ohm(horizontal stretch)
full stretched position: 2.0M ohm (vertical stretch)

Content by Mika Satomi and Hannah Perner-Wilson

The following institutions have funded our research and supported our work:

From 2013-2015 Mika is a guest professor at the eLab at Kunsthochschule Berlin-Weissensee

From July - December 2013 Hannah was a researcher at the UdK's Design Research Lab

From 2010-2012 Mika was a guest researcher in the Smart Textiles Design Lab at The Swedish School of Textiles

From 2009 - 2011 Hannah was a graduate student in the MIT Media Lab's High-Low Tech research group led by Leah Buechley

In 2009 Hannah and Mika were both research fellows at the Distance Lab

Between 2003 - 2009 Hannah and Mika were both students at Interface Cultures

We support the Open Source Hardware movement. All our own designs published on this website are released under the Free Cultural Works definition

painted stretch sensor

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