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DIY Neurotech: Making BCI Accessible

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The PiEEG EEG acquisition board.

While Rakhmatulin created PiEEG as an open-source project for anyone to re-create, he found that other researchers wanted to use the device but did not want to make it themselves.

Credit: Ildar Rakhmatulin

The costs of hardware required for brain-computer interfaces (BCIs), particularly electrodes and amplifiers, have made it difficult for researchers outside big tech companies and DIYers to build such devices.

That is why Ildar Rakhmatulin of the U.K.'s Heriot-Watt University designed PiEEG, an EEG acquisition board that can attach to a low-cost, open-source Raspberry Pi computer to produce an all-in-one BCI development platform.

The PiEEG board was made available for $250 on the Crowd Supply crowd-funding website after finding that most people interested in using it would rather buy the device than make it themselves via the open-source hardware diagram.

Developer Adam Feuer's HackEEG, which extends the Arduino Due platform to collect and process EEG and ECG signals, also is available on Crowd Supply.

From IEEE Spectrum
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