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    Content by Mika Satomi and Hannah Perner-Wilson
    E-Textile Tailor Shop by KOBAKANT
    The following institutions have funded our research and supported our work:

    Since 2020, Hannah is guest professor of the Spiel&&Objekt Master's program at the University of Performing Arts Ernst Busch in Berlin

    From 2013-2015 Mika was 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
    Sensors

    Fleckerlteppich Pressure Sensor

    Using the technique of weaving strips of cut fabric in a plain weave to create colourful carpets, to make pressure sensors. Instead of sandwitching the piezoresistive material with the conductors ontop and onbottom of the pressure application direction, this design sandwitches the piezoresistive material (stretchy Eeonyx, Velostat or Stainless steel Nm10/3 yarn) with the conductors on either side. The pressure applied from above still has the same effect on the materials. The range is not very big because the initial pressure the weaving structure is already quite high. But still, it works quite consistently!


    VIDEO:

    Step-by-Step

    Step 1) Set up warp with regular yarn or string

    Fleckerlteppich pressure sensor

    Step 2) Start with a tight weft of yarn or string

    Fleckerlteppich pressure sensor

    Step 3) Cut fabric strips

    Fleckerlteppich pressure sensor

    Step 4) Weave strips of fabric

    alternate between highly conductive and piezoresistive
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor

    Step 7) Cut and knot ends

    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor

    Step 6) Test

    Fleckerlteppich pressure sensor

    VARIATION

    Adding conductive thread to warp instead of weft…
    Fleckerlteppich pressure sensor
    Fleckerlteppich pressure sensor

    More photos on Flickr

    2 Comments so far

    1. […] Hannah Perner-Wilson writes: […]

    2. E-Textile Swatch Exchange on May 31st, 2015

      […] Link: >> http://www.kobakant.at/DIY/?p=5519 […]

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