Features
Code with Your Heartbeat
Write JavaScript code while seeing your real heart rate data in real-time. No artificial data, just you and your actual biometrics.
Experimental Project
Code-Pulse is an experimental tool for exploring the connection between biometrics and coding. It is not a medical device and makes no claims about health or productivity improvements.
Core Features
The foundation of bio-feedback coding
Real-Time Heart Rate Monitoring
Connect via Bluetooth heart rate monitors or webcam pulse detection.
Live JavaScript Execution
Write and run JavaScript code with real-time output.
Pulse Wave Visualization
Watch your heartbeat displayed in real-time while you code.
Connection Methods
Two ways to get your heart rate data
Bluetooth (BLE)
Connect any standard heart rate monitor supporting the Heart Rate Service UUID.
Compatible With
Polar H10Wahoo TICKRGarmin HRMMost BLE HR straps
Most accurate method
Webcam (rPPG)
No hardware needed. Detects pulse from subtle facial skin color changes.
Compatible With
Any HD WebcamLaptop CameraExternal USB Camera
Requires good lighting, less accurate than BLE
More Features
Additional tools and capabilities
Privacy-First
Data processed locally in your browser.
Multiple Connection Methods
Bluetooth or webcam.
Ready to Try?
Experience bio-feedback coding. Free to try, no account required.