
Global Shipping
DHL / FedEx / Air
Factory Tested
Official Elecrow Line
MIT Open SDK
Python, C, Cloud
Lab Discounts
10–20% on 5+ units
Buy Octopus 16
High-density 16-channel wireless biosignal acquisition at an unprecedented price point. Dual 24-bit ADS131M08 ADCs, integrated spring-loaded dry pogo-pin electrodes, Bluetooth Low Energy streaming, and native PiEEG Cloud & Garmin watch support.
Fulfilled worldwide via Elecrow
Direct Store Priority Waitlist
Launching SoonWant to buy Octopus 16 directly on pieeg.com? Get notified first when direct checkout, express warehouse dispatch, and launch perks go live.
Complete your Octopus 16 setup.
Recommended caps, electrodes, and kits verified for Octopus 16.

16 Channel EEG Cap
16 sintered Ag/AgCl electrodes + 2 ear clips for PiEEG-16 and Octopus 16.

EMG / ECG / EKG Kit
3 snap lead cables + 50 adhesive Ag/AgCl surface electrodes for EMG, ECG, and EEG.

OctoBio Kit
16-channel wireless EEG board + Arduino starter kit + browser block coding.
What’s in the Box
Included with your Octopus 16 order
- 1×
Octopus 16 Carrier Board with 16 Gold Dry Pogo-Pin Electrodes
Dual ADS131M08 24-bit analog front-end
- 1×
Seeed Studio XIAO ESP32-S3 Module
Pre-flashed with Octopus-16 BLE streaming firmware
- 1×
Ear-Clip Reference Cable & Strap Mount Hardware
Ready for headband or 3D-printed enclosure assembly
Required for Operation
Check before you order so your lab is ready on day one
- 3.7V LiPo battery or isolated 5V USB power source
- Desktop Chrome/Edge (for Web Bluetooth) or Python 3.9+ environment
Safety Note: Octopus 16 is an open-source research and education device, not a medical device. Always power the host board from an isolated 5V battery bank—never while plugged into AC wall mains.
Why Octopus 16.
Zero Cables, Zero Gel
16 gold-plated spring pogo pins act directly as dry electrodes on the board underside—or connect external electrodes via the perimeter pads.
Streams Straight to Your Browser or Garmin Watch
Pair instantly over Web Bluetooth with cloud.pieeg.com, bioIDE, octoBridge, or the octoWatch Garmin Connect IQ app without installing drivers.
16 Channels for $250
Dual 8-channel 24-bit simultaneous-sampling ADCs make 16-channel wireless neural recording affordable for every student, maker, and lab.
Technical Specifications
Want interactive pinout diagrams, live signal simulations, and step-by-step wiring code?
Open Octopus 16 Engineering Guide| Channels | 16 EEG channels + Reference + Bias |
|---|---|
| ADCs | 2× Texas Instruments ADS131M08 (24-bit simultaneous sampling) |
| Microcontroller | Seeed Studio XIAO ESP32-S3 (Dual-core Xtensa LX7 @ 240 MHz) |
| Wireless Protocol | Bluetooth Low Energy (BLE 5.0) & USB-C Serial |
| Sampling Rate | 250 SPS per channel across all 16 channels |
| Electrode Interface | 16 integrated spring-loaded dry pogo pins + external solder/header pads |
| Cloud & App Support | PiEEG Cloud, bioIDE, octoBridge, Garmin octoWatch, Python SDK |
| SKU | PIA24027P |
Ordering, Shipping & Direct Store FAQ
Why do I complete my purchase on Elecrow right now?
Elecrow is PiEEG's official manufacturing and global logistics partner. Ordering through our official Elecrow listing ensures factory-tested hardware, instant stock allocation, and tracked worldwide shipping via DHL, FedEx, UPS, or postal airmail.
When will Direct Checkout on pieeg.com launch?
We are finalizing direct checkout on pieeg.com with express warehouse dispatch, instant academic PO invoicing, and extended direct coverage. Enter your email below the 'Buy Direct (Soon)' button to get priority access and launch perks.
Can my university or research lab order with a Purchase Order (PO) or bulk discount?
Yes. Orders of 5+ units qualify for 10% to 20% institutional discounts, formal pro-forma invoices, W-8BEN-E / vendor onboarding, and net-30 university PO support.
Is the software and SDK included free of charge?
Every PiEEG device includes 100% open-source MIT-licensed Python/C/JS SDKs, access to PiEEG Cloud in the browser, and community support on GitHub and Discord—with zero subscription fees.
Octopus 16
$250 USD