
Global Shipping
DHL / FedEx / Air
Factory Tested
Official Elecrow Line
MIT Open SDK
Python, C, Cloud
Lab Discounts
10–20% on 5+ units
Buy MicroBCI
Built for embedded systems engineers and STM32 developers. MicroBCI mounts onto the dual-core wireless STM32 NUCLEO-WB55 development board for real-time 8-channel 24-bit EEG, EMG, and ECG acquisition.
Fulfilled worldwide via Elecrow
Direct Store Priority Waitlist
Launching SoonWant to buy MicroBCI directly on pieeg.com? Get notified first when direct checkout, express warehouse dispatch, and launch perks go live.
Complete your MicroBCI setup.
Recommended caps, electrodes, and kits verified for MicroBCI.

8 Channel Dry EEG Cap Kit
8 dry comfort press-fit Ag/AgCl electrodes + 2 ear clips on the 10-20 system.

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

8 Channel Wet EEG Cap Kit
Gold-plated sintered Ag/AgCl wet electrodes for ultra-low skin impedance.
What’s in the Box
Included with your MicroBCI order
- 1×
MicroBCI 8-Channel STM32 Shield
Compatible with STM32 NUCLEO-WB55 headers
- 1×
STM32 Firmware, Python & Mobile SDK
Open-source on GitHub
Required for Operation
Check before you order so your lab is ready on day one
- STM32 NUCLEO-WB55 board (not included)
- Battery power source (5V)
- 8-Channel EEG Cap or EMG/ECG electrodes
Safety Note: MicroBCI 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 MicroBCI.
Native STM32 Ecosystem Integration
Run bare-metal C, FreeRTOS, or CMSIS-DSP filters directly on the STM32 microcontroller with deterministic real-time latency.
Lowest-Cost Entry to 8-Channel 24-Bit BCI
At $325, MicroBCI gives embedded labs and students an industrial-grade 8-channel biopotential front-end.
Technical Specifications
Want interactive pinout diagrams, live signal simulations, and step-by-step wiring code?
Open MicroBCI Engineering Guide| Channels | 8 differential channels + Reference + Bias |
|---|---|
| Host Platform | STM32 NUCLEO-WB55 |
| Sampling Rate | 250 SPS @ 24-bit resolution |
| Programmable Gain | 1, 2, 4, 6, 8, 12, 24 |
| SKU | PIA24024P |
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.
MicroBCI
$325 USD