Fully open-access passive dry electrodes BIOADC: open-electroencephalography (EEG) re-invented

Gaetano D. Gargiulo, Paolo Bifulco, Mario Cesarelli, Alistair McEwan, Armin Nikpour, Craig Jin, Upul Gunawardana, Neethu Sreenivasan, Andrew Wabnitz, Tara J. Hamilton

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The Open-electroencephalography (EEG) framework is a popular platform to enable EEG measurements and general purposes Brain Computer Interface experimentations. However, the current platform is limited by the number of available channels and electrode compatibility. In this paper we present a fully configurable platform with up to 32 EEG channels and compatibility with virtually any kind of passive electrodes including textile, rubber and contactless electrodes. Together with the full hardware details, results and performance on a single volunteer participant (limited to alpha wave elicitation), we present the brain computer interface (BCI)2000 EEG source driver together with source code as well as the compiled (.exe). In addition, all the necessary device firmware, gerbers and bill of materials for the full reproducibility of the presented hardware is included. Furthermore, the end user can vary the dry-electrode reference circuitry, circuit bandwidth as well as sample rate to adapt the device to other generalized biopotential measurements. Although, not implemented in the tested prototype, the Biomedical Analogue to Digital Converter BIOADC naturally supports SPI communication for an additional 32 channels including the gain controller. In the appendix we describe the necessary modification to the presented hardware to enable this function.

LanguageEnglish
Article number772
Number of pages16
JournalSensors (Switzerland)
Volume19
Issue number4
DOIs
Publication statusPublished - 2 Feb 2019

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electroencephalography
Electroencephalography
Electrodes
Brain-Computer Interfaces
hardware
Brain computer interface
electrodes
platforms
Hardware
compatibility
brain
firmware
Equipment and Supplies
Firmware
Textiles
textiles
Rubber
analog to digital converters
experimentation
Digital to analog conversion

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • dry electrodes
  • brain computer interface
  • electroencephalography
  • BCI
  • EEG
  • BCI2000

Cite this

Gargiulo, Gaetano D. ; Bifulco, Paolo ; Cesarelli, Mario ; McEwan, Alistair ; Nikpour, Armin ; Jin, Craig ; Gunawardana, Upul ; Sreenivasan, Neethu ; Wabnitz, Andrew ; Hamilton, Tara J. / Fully open-access passive dry electrodes BIOADC : open-electroencephalography (EEG) re-invented. In: Sensors (Switzerland). 2019 ; Vol. 19, No. 4.
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Gargiulo, GD, Bifulco, P, Cesarelli, M, McEwan, A, Nikpour, A, Jin, C, Gunawardana, U, Sreenivasan, N, Wabnitz, A & Hamilton, TJ 2019, 'Fully open-access passive dry electrodes BIOADC: open-electroencephalography (EEG) re-invented', Sensors (Switzerland), vol. 19, no. 4, 772. https://doi.org/10.3390/s19040772

Fully open-access passive dry electrodes BIOADC : open-electroencephalography (EEG) re-invented. / Gargiulo, Gaetano D.; Bifulco, Paolo; Cesarelli, Mario; McEwan, Alistair; Nikpour, Armin; Jin, Craig; Gunawardana, Upul; Sreenivasan, Neethu; Wabnitz, Andrew; Hamilton, Tara J.

In: Sensors (Switzerland), Vol. 19, No. 4, 772, 02.02.2019.

Research output: Contribution to journalArticleResearchpeer-review

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