Smartly dressed Control e-textiles with just a finger movement

Source: Helmholtz-Zentrum Dresden-Rossendorf | Translated by AI 1 min Reading Time

It is said that so-called electronic textiles are popular, but combining fabric and electronics has not been so easy until now. That has apparently changed...

Premiere! Magnetoresistive sensors in textiles offer significant advantages compared to capacitive sensors. This turns garments into robust human-computer interfaces. Learn more here...(Image: Freie Universität Bozen)
Premiere! Magnetoresistive sensors in textiles offer significant advantages compared to capacitive sensors. This turns garments into robust human-computer interfaces. Learn more here...
(Image: Freie Universität Bozen)

A team from Nottingham Trent University, the Helmholtz-Zentrum Dresden-Rossendorf (HZDR, Germany), and the Free University of Bozen (Italy) have developed washable and durable electronic textiles with magnetic field sensors, which could enable their use in functional clothing, as emphasized. The researchers demonstrated how to embed tiny, flexible, and highly sensitive magnetoresistive sensors in braided yarns that are compatible with conventional textile manufacturing. Such garments could be used in various applications with the help of a ring or glove with an integrated miniature magnet. The sensors are seamlessly integrated into the textile, while the position of the sensors can be indicated by colored areas or embroidery. Thus, they can function as contactless control elements, it continues.

Wearable human-computer interface

The technology, which could even lead to textile-based keyboards, could be integrated into clothing and other textiles. It also works underwater, in various weather conditions, and withstands the washing process. The researchers call the key result the fact that magnetoresistive sensors, unlike usual capacitive sensors, cannot be activated accidentally. If these sensors were embedded in everyday clothing, people could interact with computers, smartphones, watches, and other connected devices, turning their clothing into a wearable human-computer interface. The whole system could be used in areas such as temperature or safety controls for specialized clothing, in games, or interactive fashion. For example, users could control LEDs or other lighting elements embedded in the textiles with simple gestures. Functional armbands (image) could also enable navigation in a virtual environment (VR). For the first time, washable magnetic sensors could be integrated into textiles as discreetly as never before.

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