Heart Rate Monitor

--
BPM
Calibrating...
Status
Idle
Beats
0
Threshold
--
RMS
--
25x
55%
Waveform — 2s history
Beats: 0
Amplitude Envelope — Beat Detection
Thresh: --
Frequency Spectrum
💡 Detection: Calibrates noise floor for 2s, then places a threshold between quiet and loud moments using the Threshold slider (lower % = more sensitive). Green dots on the envelope = detected heartbeats. Place mic firmly against chest.
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*** WARNING: This is NOT a medical device! (not accurate) ***
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