protocentral
Open-source biomedical hardware — from sensor to signal. Open boards for physiological sensing (ECG, PPG, SpO₂, respiration, bio-impedance, temperature), the libraries to drive them, and the software to see the data.
- HealthyPi — open patient-monitoring platforms: the HealthyPi Move wearable, the ultralight screenless variant, and the HAT kits that turn a Raspberry Pi into a full vital-signs monitor. HealthyPi 6 is on Crowd Supply.
- Sensor breakouts — Qwiic/STEMMA boards for ECG, PPG + ECG, bio-impedance, respiration, temperature and high-resolution ADCs, with Arduino, Raspberry Pi and MicroPython libraries.
- OpenView 3 — our open-source app (Windows · macOS · Linux · iOS · Android) to stream, plot, record and update firmware over USB, BLE or Wi-Fi.
- Sensything — a wireless platform for biosignal, capacitive and environmental sensing without building a microcontroller from scratch.
Hardware under CERN-OHL-P v2, firmware & libraries under MIT. Datasheets, board files and getting-started guides live with the code and at protocentral.com/docs.
| I want to… | Go to |
|---|---|
| Buy a board or kit | protocentral.com |
| Read the docs | protocentral.com/docs |
| See & record my data | OpenView 3 |
| Browse the code | Pinned repositories below 👇 |
Bangalore, India · Building open tools for the future of health.
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Repositories
- healthypi_studio Public
- healthypi-6-fw Public
HealthyPi 6 firmware — tri-core biosignal acquisition platform (STM32H757 + ESP32-C6), built on Zephyr RTOS
- protocentral_openview Public
OpenView — Flutter companion app for ProtoCentral biosignal & sensor boards. USB, BLE and Wi-Fi. Windows, macOS, Linux, Android, iOS.
- protocentral_healthypi_5_firmware Public
Arduino firmware & library for the ProtoCentral HealthyPi 5 (RP2040): dual-core, lossless biosignal acquisition — ECG, respiration, PPG, SpO₂, temperature — OpenView 2 compatible.
- protocentral_tinygsr_arduino Public
Arduino library for the ProtoCentral tinyGSR electrodermal activity (GSR/EDA) sensor breakout — absolute skin conductance in microsiemens over I2C, all hardware revisions
- protocentral_healthypi6_hardware Public
Open hardware design files for HealthyPi 6 — STM32H757 vital-signs monitor with the HealthyLink modular expansion bus
- healthy_store_dart Public
Pure-Dart client for the ProtoCentral Healthy Store (HPI_HS), MCUmgr group 0x1000 on HealthyPi Move. Bring your own transport.
- mcumgr_dart Public
Pure-Dart client for the SMP / MCUmgr protocol (OS, Image/DFU, Filesystem) on Zephyr & MCUboot devices — all platforms, bring your own transport (BLE/serial/TCP).
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