Low-Cost Open-source Brain-Computer Interface ironbci available in the market

Now you can buy a Low-cost brain-computer interface (non-invasive EEG system)

Low-cost Wearable BLE 8 channels for dry and wet electrodes, brain-computer interface with mobile app (SDK) and Python

To read data
SKD for Python
SDK for Android
3D printer design for Headset

3 boards connected in one battery, digital and analog boards

<img src="https://github.com/pieeg-club/ironbci/blob/master/Supplementary%20files/BLE/image_5.png" alt="general view" title="general view" width="50%" height="50%">

How it Works

Just need to switch on the device, and data can be received via BLE on a mobile phone or in PC

Electrode Connection

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The framework can be changed and uploaded via ST-Link
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Chewing and blinking artifacts

Dry Electrodes Ag/AgCl, without Gel
Raw data, 250 samples per second
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Alpha rhythm test (eyes closed and open)

Dry Electrodes Ag/AgCl, without Gel. Orange line high - eyes closed, Orange line down - eyes open
Raw data, 250 samples per second
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Device introduction

SDK mobile app test

How to program a brain-computer interface - ironBCI, a low-cost brain-computer interface with BLE

ironbci included to PiEEG-Server software
<img src="https://github.com/pieeg-club/ironbci/blob/master/Supplementary%20files/imahe_2.png" alt="general view" title="general view" width="90%" height="90%">

Citation

Original paper.
Rakhmatulin, I. IronBCI: A Low-Cost, Open-Source BCI Platform with Mobile SDK for Rapid Neurotech Prototyping. Preprints 2025, 2025071198. https://www.preprints.org/manuscript/202507.1198/v1