Hardware
Devices
Octopus_16
Safety

Safety

Read this before anyone puts it on.

⚠️

Octopus 16 is not a medical device and has not been certified by any regulator for use with the human body. It is a learning and experimentation tool. You use it at your own risk.

Rules

  1. Power bank only while worn. Wear Octopus 16 on battery power only, never while it's plugged into a computer or a wall charger. The board has no isolation from its power supply.
  2. Flash off the head. USB from a computer is only for flashing, with the board off the head.
  3. No diagnosis. Band power, focus and relax are uncalibrated learning indicators. Never use them for diagnosis, or as a measure of mood or ability.
  4. Implanted devices. Don't use it on a person with a pacemaker or other implanted electronic device without a physician's approval.
  5. Skin. Use clean, intact skin. Stop if the skin becomes irritated or the pins press too hard.
  6. Pin care. Press the pins straight down. Clean them with isopropyl alcohol, never oil or grease.

Power while worn

Power sourceWhile wornWhy
Small 5 V power bank✅ SafeThe board is on its own battery, with no path to the mains.
Laptop USB❌ Not while wornUSB from a computer is only for flashing. A plugged-in laptop links the electrodes to the mains.
Wall charger❌ NeverConnects the person to the mains through the electrodes.

In the classroom

  • An adult checks the power source before each session.
  • Flash and charge boards before the lesson, with the boards off the head.
  • Clean the pins with isopropyl alcohol between users.

See also the general PiEEG safety and liabilities pages.