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    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
    Sensors

    felted crochet pressure sensor

    Here, I have crochet conductive yarn with felting yarn and felted it afterwards. It works great as pressure sensor.

    Making


    Here is the crochet piece before felting. I mixed Schoeller Nm 10/3 conductive yarn with hippy rainbow color felting yarn.

    Now it is time to felt. Place the crochet piece on the bowl. Pour hot water, then cool it with cold water. Add soap and rub it really hard with your hand. Repeat these process until the piece starts to get hard and thick in your hand. (You will really feel it)

    It shrinks quite a bit after felting. In the picture on the left, bottom piece was same size as the top piece before felting. After felting, it definitely got smaller. If you are making a project that requires exact size, you should consider the shrinkage when you knit. The texture of the piece also changes a lot. It gets much thicker and firmer.

    2 Comments so far

    1. Jasper on November 22nd, 2011

      Maybe a video like that of the strings http://www.kobakant.at/DIY/?p=2108 would be clearer.

      No worries, though, still very neat!

    2. suma on August 8th, 2015

      can arduino board detect the readings shown by this sensor?

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