What's in the Box
Included
| Item | Details |
|---|---|
| 1 × IronBCI-8 | Stack of three boards: ADC board (ADS1299), BLE board (STM32) and power board with Micro USB charging, two switches and status LEDs |

Not included
| Item | Requirements | More |
|---|---|---|
| LiPo battery | Single-cell LiPo, 200 mAh recommended, 2.0 mm JST connector. Check the polarity before connecting. | Electrodes & Battery |
| Electrodes | 8 EEG electrodes (dry or wet Ag/AgCl) with 2.54 mm connectors, plus 2 ear-clip electrodes for reference and bias | Electrodes |
| EEG cap or headset | Holds the electrodes in place. Nylon cap, DIY cap, or the 3D-printable IronBCI headset (opens in a new tab). | Cap |
| Micro USB cable | For charging only, from a 5 V USB charger | Safety |
| A device with Bluetooth LE | One of: a computer with Chrome or Edge (for PiEEG Cloud), an Android phone (for the app), or a computer with Python 3.10+ (for PiEEG Server or the Python SDK) | Software |
| Conductive gel | Only for wet electrodes | Electrodes |
⚠️
Battery polarity. Some JST batteries are wired the opposite way round. A reversed battery will damage the board. Check the red and black wires against the board's markings before the first connection.
Safari, Firefox and iPhone / iPad browsers don't support Web Bluetooth. Use Chrome or Edge on a computer or Android device for PiEEG Cloud.
Checklist
- IronBCI-8
- 200 mAh LiPo battery with 2.0 mm JST connector, polarity checked
- 8 electrodes and 2 ear clips
- Cap or headset (and gel if you use wet electrodes)
- Micro USB cable for charging
- Chrome / Edge computer, Android phone, or Python on a computer with Bluetooth LE
Next: How to Start