A lightweight heart rate monitor for web browser.
https://o-alexandre-felipe.github.io/web-hr-monitor/
Comunication made possible by experimental browser bluetooth support. The GATT protocol implemented accordingly to https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.heart_rate_measurement.xml
Tested with my wahoo TIKR :)
You can copy the RR-intervals in text format using the usual copy action (Ctrl+C for me)