Heartly
Heartly
Smartphone Heart Rate Monitor
Ready
Heart Rate
—
BPM
Quality
—
Peaks
—
Time
0:00
Frames
0
PPG Waveform — Red Channel
Awaiting signal
Frequency Spectrum
40–200 BPM range
Auto-stop duration
Tap Start → cover lens & flash with fingertip → hold perfectly still for 15 seconds
Camera — Optical Sensor
Offline
◉ Camera Offline
Red-ch PPG · IIR Bandpass · Peak Detection
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