MicroBCI STM32 EEG shield
MicroBCI — 8-channel biosignal shield for STM32 NUCLEO-WB551 / 3

Global Shipping

DHL / FedEx / Air

Factory Tested

Official Elecrow Line

MIT Open SDK

Python, C, Cloud

Lab Discounts

10–20% on 5+ units

8-Channel STM32 NUCLEO-WB55 Shield

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.

Official Store Price
$325USD
In Stock · Ready to Ship

Fulfilled worldwide via Elecrow

Channels
8 Channels
EEG · EMG · ECG
Host MCU
STM32WB55
ARM Cortex-M4 + M0+
Sample Rate
250 SPS
24-bit SPI bus
SDK
Python & Mobile
STM32Cube compatible
Choose Purchase ChannelOfficial Hardware Guarantee
Buy on ElecrowOfficial Manufacturing Partner · Ships Worldwide$325

Direct Store Priority Waitlist

Launching Soon

Want to buy MicroBCI directly on pieeg.com? Get notified first when direct checkout, express warehouse dispatch, and launch perks go live.

Ordering 5+ units for a university, classroom, or lab? Save 10–20% with an official institutional quote & Purchase Order. Build Instant Quote →
Essential Companions

Complete your MicroBCI setup.

Recommended caps, electrodes, and kits verified for MicroBCI.

8 channels$370
8 Channel Dry EEG Cap Kit

8 Channel Dry EEG Cap Kit

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

Multi-signal$85
EMG / ECG / EKG Kit

EMG / ECG / EKG Kit

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

8 channels$350
8 Channel Wet EEG Cap Kit

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
Channels8 differential channels + Reference + Bias
Host PlatformSTM32 NUCLEO-WB55
Sampling Rate250 SPS @ 24-bit resolution
Programmable Gain1, 2, 4, 6, 8, 12, 24
SKUPIA24024P

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