Learn Biomedical Electronics
Tutorials, application notes, and guides to help you build with ProtoCentral hardware — from your first ECG reading to advanced research applications.
Your First ECG Reading
Set up an ECG breakout board with Arduino, connect electrodes, and visualize your first heart signal in under 30 minutes.
Real-Time ECG with ESP32 + BLE
Stream ECG data wirelessly from an ESP32 to a mobile app using BLE. Covers hardware wiring, firmware, and the ProtoCentral OpenView app.
Understanding ECG Lead Configurations
Learn the difference between 3-lead, 5-lead, and 12-lead ECG configurations. Understand Einthoven's triangle and electrode placement.
Building a Pulse Oximeter with MAX30102
Use the Pulse Express board to measure blood oxygen saturation (SpO2) and heart rate. Includes calibration tips and accuracy notes.
Bio-Impedance Measurement with MAX30001
Introduction to bio-impedance (BioZ) measurement for body composition analysis and respiration monitoring.
Choosing the Right ECG Board
Compare ADS1293, ADS1292R, MAX30003, MAX30001, and MAX86150 — which board is right for your project?