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OpenBCI boards can be used to measure and record electrical activity produced by the brain (EEG), muscles (EMG), and heart (EKG), and is compatible with standard EEG electrodes. The OpenBCI boards can be used with the open source OpenBCI GUI, or they can be integrated with other open-source EEG signal processing tools.
The OpenBCI 32bit Board uses the ADS1299, an IC developed by Texas Instruments for biopotential measurements. The OpenBCI uses a microcontroller for on-board processing — the 8bit version (now deprecated) uses an Arduino-compatible ATmega328P IC, while the 32bit board uses a PIC microcontroller — and can write the EEG data to an SD card, or transmit it to software on a computer over a bluetooth link.
In 2015, OpenBCI announced the Ganglion board with a 2nd Kickstarter campaign. It costs $200 and has 4 input channels for measuring EEG, EMG, and EKG, and is also Bluetooth enabled.
3D Printed Headset
Design files for a 3D printed headset for pre-production OpenBCI boards have been released on GitHub. The headset, known as the Ultracortex, holds the electrodes in place, and makes it easy to configure their placement using the 10–20 System. A headset design files are available for download from OpenBCI's GitHub account, or the headset can be purchased from the OpenBCI online store. The headsets are manufactured and produced by Voodoo Manufacturing.
The OpenBCI has been used to control a HexBug robot using SSVEPs (Steady State Visually Evoked Potentials). Locked in graffiti artist Tempt One has used the OpenBCI and the low-cost Eyewriter eye-tracking system to continue to draw after being diagnosed with the degenerative nerve disorder ALS.
- OpenBCI official page
- Cohen, Reuven (2014-03-01). "New Open Source Platform Allows Anyone To Hack Brain Waves". Forbes. Retrieved 2014-12-16.
- Pate, Josh (2014-08-31). "Early Openbci Researcher Hacks a Hexbug and Gives Advice to Other Brain-hackers". Neurogadget. Retrieved 2015-01-09.
- Pate, Josh (2014-09-16). "Brainwriter Helps Graffiti Artist Suffering from ALS to Draw Using Openbci". Neurogadget. Retrieved 2015-01-09.