For education, not diagnosis. Do not place electrodes on broken or irritated skin. Stop if anyone feels discomfort.
Live signal
Connect a device to see its signal.
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Replay
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Measure
Click the trace to set A, click again to set B. Arrow keys nudge the last point by one sample, Shift for ten.
| Trial | A | B | Interval |
|---|
Heartbeats
| Beat | Time | Since last | BPM |
|---|
Waves
Approximate filtered-band energy over the visible window. Use it for classroom comparisons, not clinical interpretation.
Saved recordings
Saved recordings appear here.
Diagnostics
Events