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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

    Skin Sensor

    Instead of using fabric as the base for the sensor, it is funny to use transparent medical foil for skin protection. it creates sensors that is proximate to skin like tattoos.

    I bought this medical foil at the local Apotheke (drug/medicine store) in Germany. I have also asked the Tattoo shops near-by. They were happened to be out of stock, but it is used for skin protection after getting tattoos and often they sell them.

    The foil comes with two backing layers. Paper backing on sticky side, and transparent foil on top side. Remove the transparent (top) side first with pinsett (this is a bit tricky part) and place the content of the sensor.

    For Bend sensor, I placed two strand of conductive thread on the skin foil using glue, then place one strip of eeonyx stretch resistive fabric. Cut out another piece of skin foil that is the same size as the base foil. Peal off the sticky side backing and place on top of the constructed sensor so they stay in place.

    Peel the backing paper out from the sticky side and place on the skin. It stick to the skin like second skin. It is water proof (I even took shower and it still works) and can easily stay on your skin for few days.

    It shows hysteresis but you can see the resistance change as I move my finger.

    After it getting used to my hand movement and tested again. It now shows even better range. The copper color on top is copper colored gold leaf. It was a test to see if I can get the different look, and not connected to conductive layer. It should not be affecting the electrical function of it (you do not need the copper leaf layer for function)

    I have tried using copper fabric petals to make contact switch. The design is from the Fish Scale Sensor.

    It kind of works, but needs some improvements in getting reliable contacts.



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