Figure 1: MetaSense integrates sensing into 3D printable metamaterial structures by fabricating specifc cell walls from conductive flament, thereby creating electrodes that can be used for capacitive sensing: (a) an input device that senses compression, (b) an accelerometer, (c) a discrete state switch, (d) a controller that senses shear, and (e) a joystick that senses magnitude and direction of applied force.
In this studio, we will improve our tailoring skills in order to better integrate technology into clothing. Leveraging the volumetric nature of clothing, we will create eTextile interfaces that fit the shape of the body and are designed around how bodies move. This studio will consist of a short masterclass led by an expert fashion designer followed by materials experimentation and working on individual projects. We will introduce and demo a variety of ways to design and implement 3dimensional eTextiles as well as how to integrate them with interactive systems.
Figure 1. We propose a flexible embroidered speaker, which does not require a permanent magnet. By using a 0,15 mm Cu/Ag20 yarn (A), we embroider two flat coils (B) which are placed on top of each other (C). One possible demo application could be an embroidered jacket speaker which can be controlled with a pocket synthesizer (D).
This paper provides resources and design recommendations for optimizing position input for pressure sensor matrices, a sensor design often used in eTextiles. Currently applications using pressure matrices for precise continuous position control are rare. One reason designers opt against using these sensors for continuous position control is that when the finger transitions from one sensing electrode to the next, jerky motion, jumps or other non-linear artifacts appear. We demonstrate that interdigitation can improve transition behavior and discuss interpolation algorithms to best leverage such designs. We provide software for reproducing our sensors and experiment, as well as a dataset consisting of 1122 swipe gestures performed on 17 sensors.
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