Hardware
Devices
Octopus_16
What's in the Box

What's in the Box

Included

ItemDetails
1 × Octopus 1626 mm board with 18 pogo-pin electrodes, 2 × ADS131M08 and sockets for a Seeed Studio XIAO
Octopus 16, top side with XIAO socketsOctopus 16, pogo-pin side

Not included

ItemRequirementsMore
Seeed Studio XIAO ESP32-S3The controller that sits on top and sends data over Bluetooth. Comes with a small BLE antenna. Usually sold without soldered pins, so solder the headers first or buy a pre-soldered version.How to Start
5 V power bankSmall and light, 5 V output, no more than 2 A. Powers the board while it's worn.Safety
USB-C data cableFor flashing the firmware once, and for the power bank. Must be a data cable for flashing.Firmware
Strap or headbandHolds the sensor on the head. An elastic band works, or a 3D-printed holder (opens in a new tab).Pins & Placement
A device with Bluetooth LEA computer or Android device with Chrome or Edge (for PiEEG Cloud and octoBridge), or Python 3.10+ for the Python SDKSoftware

Seeed Studio XIAO ESP32-S3

⚠️

Charge-only cables can't flash. If no serial port appears when you plug in the XIAO, try a different USB-C cable before anything else.

Safari, Firefox and iPhone / iPad browsers don't support Web Bluetooth. Use Chrome or Edge.

Checklist

  • Octopus 16
  • XIAO ESP32-S3 with headers soldered, and its BLE antenna
  • USB-C data cable
  • Charged small 5 V power bank (≤ 2 A)
  • Strap or headband
  • Chrome or Edge on a device with Bluetooth LE

Next: How to Start