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RElectrode: A Reconfigurable Electrode For Multi-Purpose Sensing Based on Microfluidics

Published: 07 May 2021 Publication History

Abstract

In this paper, we propose a reconfigurable electrode, RElectrode, using a microfluidic technique that can change the geometry and material properties of the electrode to satisfy the needs for sensing a variety of different types of user input through touch/touchless gestures, pressure, temperature, and distinguish between different types of objects or liquids. Unlike the existing approaches, which depend on the specific-shaped electrode for particular sensing (e.g., coil for inductive sensing), RElectrode enables capacity, inductance, resistance/pressure, temperature, pH sensings all in a single package. We demonstrate the design and fabrication of the microfluidic structure of our RElectrode, evaluate its sensing performance through several studies, and provide some unique applications. RElectrode demonstrates technical feasibility and application values of integrating physical and biochemical properties of microfluidics into novel sensing interfaces.

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      cover image ACM Conferences
      CHI '21: Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems
      May 2021
      10862 pages
      ISBN:9781450380966
      DOI:10.1145/3411764
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      Published: 07 May 2021

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      Author Tags

      1. capacitive and inductive sensing
      2. gesture
      3. microfluidics
      4. object recognition

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      • (2024)LiquidListener: Supporting Ubiquitous Liquid Volume Sensing via Singing SoundsIEEE Access10.1109/ACCESS.2024.337539212(39833-39846)Online publication date: 2024
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