Bluetooth heart rate monitor
Simple Web-Widget built with Ionic 5 / Angular 9 around BLE/Bluetooth web APIs targetting heart monitor devices compatible with this standard.
Tested with some Polar devices such as: https://www.amazon.com/gp/product/B07PM54P4N/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
Some intro video explanation here: https://youtu.be/BEgwOxEMhtI
Developed and tested with Google Chrome Desktop 80+
Feel free to add issue if you find any