The Ganglion Board is a scientifically-validated research tool

Important Notes

• This kit does not include electrodes. It is compatible with our EEG Headband Kit, Gold Cup Electrodes, EMG/ECG Snap Electrode Cables, and Header pin to touch proof electrode adapter.
• Want to get started with the Ganglion Board? Head over to the Ganglion Tutorial page!
• PURCHASE THE REQUIRED GANGLION DONGLE here. Bluetooth 4.0 Dongle is required for use with devices which do not support the Bluetooth SMART protocol and is strongly recommended for all purchasers who plan to use the Ganglion with a PC running on MacOS, Windows 10 or Linux (Ubuntu or Fedora).
• Watch the Ganglion Biosensing Tutorial Here.
• See the YouTube video of live-streamed EEG data using Ganglion.
• File for 3-D printing Ganglion board case

Ganglion Overview

The OpenBCI Ganglion is a high-quality, affordable bio-sensing device, compatible with OpenBCI’s free open-source software. On the input side, there are 4 high-impedance differential inputs, a driven ground (DRL), a positive voltage supply (Vdd), and a negative voltage supply (Vss). The inputs can be used as individual differential inputs for measuring EMG or ECG, or they can be individually connected to a reference electrode for measuring EEG. Data is sampled at 200Hz on each of the 4 channels.

We are using a Simblee for our on-board microcontroller and wireless connection. Simblee is RF Digital’s next generation Arduino-compatible radio module. The new Simblee provides user programmable flash, 29 GPIO pins, and the ability to update software over the air (OTA). Every Ganglion will be pre-programmed with versatile firmware so you can get started sensing your body right out of the box. We will also break-out up to 16 of the GPIOs for you to hack with.

Want to see more use cases of OpenBCI? Head to our keyword searchable collection of recently published, OpenBCI-based EEG, EMG, and ECG research

What comes inside the box?

• (x1) OpenBCI Ganglion Board
• (x1) Clear Board case
• (x1) Lithium polymer battery and charger
• (x4) plastic feet (for board stabilization)

Ganglion Technical Specifications

• Power with 3.3V to 6V DC battery ONLY
• Current Draw: 14mA when idle, 15mA connected and streaming data
• Simblee BLE Radio module (Arduino Compatible)
• MCP3912 Analog Front End
• LIS2DH 3 axis Accelerometer
• Board Dimensions 2.41” x 2.41” (octagon has 1” edges)
• Mount holes are 3/16” ID, 0.8” x 2.166” on center
• Switches to manually connect/disconnect inputs to the REF pin
• SD card storage not supported – see Cyton board if saving data to SD card is desired
• Note that the Ganglion has a bandpass filter which cuts out any frequency below 0.3 Hz. If that is a concern, order the Cyton 8-channel board