ProtoCentral Electronics — Open Source Biomedical Sensors and Health Monitors

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Keep your laptop plugged in.

Electrodes on skin and a laptop on its charger usually means 50/60 Hz hum. easyISO isolates a Qwiic link — I²C data and power — so your sensor never shares a ground with the mains.

TI ISO1640 isolator and an isolated DC-DC on one 33 × 18.7 mm board. Same library, same I²C address, nothing to rewrite. Open source, ₹1,495.

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ProtoCentral easyISO isolated Qwiic adapter, angled view showing the IN and OUT Qwiic ports

Why ProtoCentral?

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Truly Open Source

Hardware under CERN-OHL-P v2, software under MIT. Full KiCad files, schematics, and BOM for every board.

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Comprehensive Docs

Getting started guides, wiring diagrams, API references, and application notes for every product.

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Ships Worldwide

Designed in Bangalore, shipped globally. Used by makers, researchers, and startups in 60+ countries.