Integrationbeginner
Chords Web: Browser-Based Biosignal Visualization
Transform your Arduino into a biosignal acquisition tool with Chords Web, visualizing and recording EEG, EMG, EOG, and ECG data directly in your browser using BioAmp hardware.
Firmware:Arduino
Use Cases:EducationData Logging
Overview
Chords Web is an open-source web application from Upside Down Labs that turns your Arduino board into a biosignal acquisition tool. It connects to BioAmp hardware via Web Serial API and provides real-time visualization of EEG, EMG, EOG, and ECG signals directly in your browser -- no software installation required.
Hardware Required
- BioAmp EXG Pill (or any BioAmp hardware)
- Brain BioAmp Band (for EEG recording)
- BioAmp Cable v3
- Arduino-compatible board
- USB cable
How It Works
- Flash the Chords Arduino Firmware to your board
- Open Chords Web (chords.upsidedownlabs.tech) in a browser
- Connect via Web Serial
- Visualize and record biosignals in real-time
Features
- Real-time signal visualization with interactive charts
- Data recording and export
- Interactive BCI applications (candle flame focus control, etc.)
- No software installation needed -- runs entirely in the browser
- Compatible with multiple BioAmp hardware products
What You'll Learn
- Web Serial API for hardware communication
- Browser-based biosignal visualization
- Real-time data streaming and recording
