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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

    Beaded Tilt Sensor Swatch

    A heavy metal bead strung on conductive thread and surrounded by conductive fabric petals, makes for a simple six way digital tilt switch. When the metal bead makes contact with one of the petals it completes the circuit to an LED light, causing it to light up. This very simple technique for detecting direction of tilt can be used in many different ways and variations, and this swatch aims to illustrate the basic functionality of the design.

    Links:
    Battery pocket >> http://www.kobakant.at/DIY/?p=4432
    Tilt Sensor >> http://www.kobakant.at/DIY/?p=201
    Tilt Sensing Bracelet >> http://www.kobakant.at/DIY/?p=529
    Tilt sensing quilt >> http://www.plusea.at/?p=430
    Swatchbook exchange >> http://etextile-summercamp.org/?p=705


    Materials:
    copper polyester taffeta fabric, silver plated nylon fabric, Karl-Grimm copper thread 7×1 fach verseilt kupfer blank 3981, silver plated nylon thread 117/17 2ply, heavy metal bead, glass/plastic beads, green or black silk taffeta fabric, cotton thread, HeatnBond fusible interfacing, solder, 0603 surface mount green LEDs, CR2032 coin-cell battery

    Materials Links:
    SMD LEDs >> https://www.sparkfun.com/products/11169
    conductive fabrics >> http://lessemf.com/fabric.html
    Conductive thread >> https://www.sparkfun.com/products/8544
    HeatnBond >> http://www.amazon.com/Thermoweb-Heatn-Ultra-iron-on-Adhesive-17/dp/B0010EM76A/ref=sr_1_1?ie=UTF8&qid=1373608717&sr=8-1&keywords=heatnbond

    Step-by-Step Instructions:
    A square of silk fabric is cut out, the edges folded and sewn to reduce fraying. The conductive petals are lasercut from copper fabric with fusible adhesive backing and fused to the silk base fabric with an iron on medium heat. The coin-cell battery holder is lasercut from stretch conductive fabric, singeing it’s edges to keep them from fraying. The battery pouch is sewn on with a silverized nylon thread which then connect the positive side of the battery to the heavy metal bead. The negative battery lead is made by tying knots at the end of a piece of copper thread and then sewing from the inside of the center of the battery pocket to the the GNDs of all LED lights. The LED lights are soldered on, their positive lead connecting to the copper fabric petal, and their negative lead connecting to the copper thread. The silk base fabric can take high temperatures and does not burn or melt when soldering directly on its surface.

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