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  • E-Textile Shopping

    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
    Example Projects

    TrafoPop LED Jacket

    This jacket was made at the 2nd TrafoPop Build Your Own LED Jacket workshop in Berlin, Germany.

    Thanks to Thomas Gnahm and Stafan Hintz for a wonderful workshop!

    A strip of 20 addressable RGB LEDs is integrated into the back of a jean jacket. A softpot mounted on the left chest becomes the interface for turning on and off the circularly arranged LEDs on the back. Two LEDs on the front blink alternately to indicate turning motion to wearer.


    – LED chain >> https://www.sparkfun.com/products/11020
    – Arduino pro mini (5V/16Mhz) >> https://www.sparkfun.com/products/11113
    – Arduino code for this example >> https://github.com/plusea/CODE/tree/master/PROJECT%20CODE/TrafoPop%20Workshop
    – Softpot >> https://www.sparkfun.com/products/8678
    – JST socket >> https://www.sparkfun.com/products/8613
    – Slider switch >> https://www.sparkfun.com/products/9609
    – LiPo Battery (850mAh) >> https://www.sparkfun.com/products/341
    – Optional: LiPo Charger >> https://www.sparkfun.com/products/10401

    – Jean jacket
    – Iron-on fusible with gold foil
    – Leather (lasercut and sewn on)
    – Iron-on plastic film to LED fixing


    Front and back:

    Softpot and lights on front pocket:


    Prototyping and interacting with softpot scroll-wheel:



    TrafoPop code repository >> https://github.com/Stefan-Hintz/trafopop
    Softpot tutorial >> http://bildr.org/2012/11/touch-sliders-with-a-softpot-arduino/
    Flickr photos >> http://www.flickr.com/photos/plusea/sets/72157637300354054/

    2 Comments so far

    1. Zvika on November 10th, 2013

      cool project!
      is a single 3.7V lipo battery enough to power a 5V arduino pro mini?

    2. Rottenmac on March 17th, 2015

      Love this idea.

      I’m going to do one similar, but with a simple on/off tactile button under the collar and maybe the Serial enabled LCD kit in/on the pocket as an e-nametag/display.

      Thanks for all the links as well. Very helpful!

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