HeartRateMonitor v1.0.1

Download: HeartRateMonitor.exe below and run it. It's standalone; no .NET install needed.
(Grab the .zip instead if your browser or antivirus balks at downloading an exe.)

Windows SmartScreen may warn because the exe isn't code-signed: click More info → Run anyway.

Full Changelog: https://github.com/RelentlessOldMan/HeartRateMonitor/commits/v1.0.1