// Request Bluetooth device
const device = await navigator.bluetooth.requestDevice({
  filters: [{ services: ['heart_rate'] }]
});

// Connect to GATT server
const server = await device.gatt.connect();
const service = await server.getPrimaryService('heart_rate');
const characteristic = await service.getCharacteristic(
  'heart_rate_measurement'
);

// Start notifications
await characteristic.startNotifications();
characteristic.addEventListener(
  'characteristicvaluechanged',
  handleHeartRate
);

API Reference

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Configuration

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Documentation

Learn Code-Pulse

Everything you need to get started with bio-feedback live-coding.

Quick Start

5 min

Getting Started

Set up your first bio-feedback coding session in under 5 minutes.

3 min

Connect BLE Device

Learn how to pair your Bluetooth heart rate monitor.

2 min

Enable Webcam Detection

Set up rPPG pulse detection using your webcam.

10 min

Your First Session

Write and run code while monitoring your biometrics.

Documentation

Getting Started

Start using Code-Pulse in minutes.

Device Setup

Connect your heart rate monitor or webcam.

Code Editor

How to use the JavaScript editor.

Session Data

View and understand your session history.

Privacy & Security

How we protect your biometric data.

Code Examples

Connect BLE Heart Rate Monitor

javascript

// Request Bluetooth device
const device = await navigator.bluetooth.requestDevice({
  filters: [{ services: ['heart_rate'] }]
});

// Connect to GATT server
const server = await device.gatt.connect();
const service = await server.getPrimaryService('heart_rate');
const characteristic = await service.getCharacteristic(
  'heart_rate_measurement'
);

// Start notifications
await characteristic.startNotifications();
characteristic.addEventListener(
  'characteristicvaluechanged',
  handleHeartRate
);