Protocentral Electronics — Open Source Biomedical Sensors and Health Monitors
NewThe easy series
ECG and EMG, made easy
easyECG and easyEMG each plug into any Qwiic board with one cable. Snap on three electrodes and watch a heartbeat or a muscle contract in OpenView. Use one, or run both on the same bus. No soldering.
HealthyPi Move Ultralight
Screenless open-source wearable — PPG, SpO₂, HRV, sleep, 10+ days per charge.
HealthyPi 6
Next-gen open-source biosignals platform — now shipping to backers, order on Crowd Supply.
New
Plug. Play. Pulse Express.
v4 adds Qwiic: one cable, no soldering. Read heart rate, SpO₂ and blood-pressure trend.
HealthyPi Move
Open-source wrist-worn health monitor: ECG, SpO₂, heart rate, BPT and skin temperature, with no cloud or subscription.
New Products
Just added to the store — our latest open-source breakouts.
Protocentral easyEMG — Surface EMG Breakout, Qwiic / STEMMA QT
A single-channel surface EMG front end that gives you the raw waveform,…
Protocentral easyECG — Single-Lead ECG Breakout, Qwiic / STEMMA QT
A single-lead ECG front end built from parts you can see: an…
Protocentral Pulse Express v4 Pulse-Ox & Heart Rate Sensor with MAX32664 (Qwiic)
Optical pulse oximeter with on-chip processing: a MAX32664D biometric hub and MAX30101…
Featured Products
Our most popular biomedical breakout boards
HealthyPi Move
An open-source, wrist-worn health monitor that gives you full control of your…
Protocentral Sensything CAP
Protocentral Sensything CAP combines a precision capacitance sensor (TI FDC1004) with an…
Protocentral Sensything Ox Wireless Pulse Sensor
Protocentral Sensything Ox Wireless Pulse is the next generation of our OpenOx…
HealthyPi 5 Vital Signs Monitoring HAT Kit
HealthyPi 5 is a unique, open-source, biosignals-acquisition device that combines the power…
Why Protocentral?
Truly Open Source
Hardware under CERN-OHL-P v2, software under MIT. Full KiCad files, schematics, and BOM for every board.
Comprehensive Docs
Getting started guides, wiring diagrams, API references, and application notes for every product.
Ships Worldwide
Designed in Bangalore, shipped globally. Used by makers, researchers, and startups in 60+ countries.
Docs & Engineering Notes
Getting-started guides for every board, and the engineering stories behind them.
Latest docs
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