Breathing, pulse and biosignals

Candle: a virtual flame reacts to blowing into the microphoneThe app maps blowing to the flame’s state
Candle - Ultra Real Blow OutCandle: a virtual flame reacts to blowing into the microphone
  1. The app maps blowing to the flame’s state
© Poets Road, Inc · Source ↗

A breathing action becomes a control signal. In Candle blowing near the microphone extinguishes a virtual flame; it measures air noise, not pulse.

Design tips

  • Distinguish microphone blowing from measurements by a dedicated biometric sensor.

Examples