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Add Ons

This section goes over all the headwear and accessories that go with OpenBCI to help gather data.


OpenBCI Headwear is designed to make it simple to obtain high-quality EEG Data. The following documents will teach you about them and explain their setup:

  • Ultracortex Mark IV โ€” The newest 8-16 channel 3D Printable Headset, which includes some made-to-order plastic parts
  • Headband Kit โ€” The simple, headband kit, for 4-8 channels of EEG data.
  • Electrode Cap โ€” Our research-grade electrode cap for wet electrode EEG measurement.


OpenBCI offers a wide range of electrodes serving various purposes. See the Electrode Guide to learn more about them.