Openwear

Wearable Prototype Toolkit for Zhejiang University

OpenWear is a toolkit designed for building wearable prototypes quickly. It comprises a modified Lilypad USB development board, 11 newly designed modules, and connecting cables with O-ring connectors for swift connection. This kit enables rapid prototyping by allowing for quick attachment and connection, enabling users to build and test prototypes directly on the intended substrate, such as clothing.

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Download Press Kit № 159003 Wearable Prototype Toolkit for Zhejiang University by Zhou Leijing to access high-res images, essential texts, translations, and exclusive interviews—all in one.

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Openwear by Zhou Leijing

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Wearable Prototype Toolkit by Zhou Leijing

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Zhou Leijing Openwear

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Zhou Leijing Wearable Prototype Toolkit

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Unique Properties

Openwear is a toolkit for building rapid wearable prototypes. It includes a modified Lilypad USB development board, 11 newly designed modules, and quick connecting cables. This kit facilitates rapid prototyping by enabling quick attachment and connection and allows users to directly build and test prototypes on the intended substrate like clothes.

Tags

Hardware, Electronic, Toolkit, Wearable, E-textile

Production Technology

For the modules, we have designed 11 different modules with input or output chips contained on each module. Each module has six 3mm diameter pins. For quick fixing, we fixed a 10mm diameter magnet on the bottom of the development board and modules, which works with the magnetic fixing pads to attach to clothes. For quick connects, we used O-connectors and bolts, which work well with the 3mm pin sizes on the PCB.

Design Challenge

The biggest challenge in the whole research was to achieve a rapid fixing and connection of the PCB. We tried a variety of methods including pins, buttons, velcro, and finally we chose to use magnets with O-connectors, which had not been used before.

Project Duration

The project started in August 2023 in Ningbo and finished in January 2024

Operation Flow

1. Building the First Circuit Prototype: Select modules based on design requirements and assemble them on a flat surface for initial circuit testing and debugging. 2. Continuous Testing and Adjustment of the Circuit: Reconfigure module positions on the body for testing purposes. 3. Building the Final Circuit: Sew components directly onto fabric using conductive yarn or utilize sewing magnet fixing pads as an alternative method. This ensures flexibility and ease of removal.

Research

The success of the LilyPad has resulted in the creation of various development boards, such as the more compact TinyLily and the Circuit Playground with many sensors. However, these variations only modify the dimensions or integrate sensors, without modifying the Lilypad's method for constructing wearable circuits. This method presents a challenge in prototyping wearable circuits: sewing processes are time-consuming and set a high threshold for beginners. Furthermore, the troubleshooting process in wearable circuit prototyping often requires resetting and resewing. Once the development board is integrated into the fabric, the complexity of the debugging code also increases proportionally.

Inspiration

Common wearable circuits often need to be fixed using sewing, which is very cumbersome. To solve this problem, we took inspiration from magnetic buttons. We have embedded magnets in the back of the PCB to fix it using magnetic force.

Project Overview

Openwear Wearable Prototype Toolkit has been a Iron winner in the Product Engineering and Technical Design award category in the year 2023 organized by the prestigious A' Design Award & Competition. The Iron A' Design Award is awarded to good designs that meet the rigorous professional and industrial standards set by the A' Design Awards. This recognition is reserved for works that demonstrate a solid understanding of design principles and show creativity within their execution. Recipients of the Iron A' Design Award are acknowledged for their practical innovations and contributions to their respective fields, providing solutions that improve quality of life and foster positive change. These designs are a testament to the skill and dedication of their creators, showcasing their ability to address real-world challenges through thoughtful design.

Image Credits

For design images and photos please credit Zhou Leijing.

Iron Recognition

Zhou Leijing was recognized with the coveted Iron A' Design Award in 2024, a testament to excellence of their work Openwear Wearable Prototype Toolkit.

Zhou Leijing Press Releases

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