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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:

    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
    Example Projects

    Wireless JoySlippers

    This is the wireless version of the origianally wired JoySlippers. Using Xbee Direct (Multipul Xbee – Xbee- comp) communication connection, rather than spiral telephone cable.

    In this updated version the Velostat in the pressure sensors has been replaced with a piece of resistive EeonTex stretchy fabric. This makes the sensors much more durable and the resistance range is just as good, if not better, than that of the pressure sensors using Velostat.
    Old vs. New >>

    >> www.joyslippers.plusea.at
    >> Wired JoySlipper Version 2 Instructable
    >> Wired JoySlipper Version 1 Instructable

    Wireless Communication

    For wireless communication, we used xbee, connecting directly to sensor inputs. (without using microcontroller). This way, the wireless component can be much smaller and less power consuming.
    Currently connections are made with thin cable directly soldered onto pin socket without purfboard. All the components are placed inside a small neoprene pouch that can be attached to JoySlippers with poppers. These poppers works as a connector to sensors as well.

    Here is the connection plan between Li-Po Battery/Xbee/JoySlipper. For more detail about Li-Po battery, see this post.

    Each Slipper contains one Xbee and one Li-po battery. There is one receiver Xbee connected to computer via USB dongle.
    These Xbees are programed so that their analog inputs are enabled and send these data directly to receiver Xbee. Here is how the AT command is setup on each Xbee.

    AT receiver sensor1 sensor2
    ID 1234 1234 1234
    MY 1 2 3
    DL - 1 1
    D0 - 2 2
    D1 - 2 2
    IR - 14 15
    IT - 2 2
    CE 1 (0) (0)
    BD 7 7 7
    NR - 3 3


    For detail, please see XBEE DIRECT (MULTIPUL XBEE – XBEE- COMP) post.



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