Smart fan for your trainer: ESP32 + HR monitor. Auto-adjusts breeze to your effort. Easy flash (. bin), 3D enclosure on MakerWorld!
Build a browser-based wireless ECG monitor to visualize your heart's electrical activity and heart rate in real time.
StickS3 becomes a self-contained PulseSensor display with a live waveform, confidence coaching, and beat-synced BPM—no phone or cloud.
See your breath in every beat! Heart BioAmp Candy & Arduino track ECG R-peak changes to power a live breathing-visualizer web app.