This simple demo uses the Web-Bluetooth library to connect to a device broadcasting a Heart Rate Service characteristic and reads the heart rate.
Live Demo https://xmlking.github.io/hrm/public/
Web-Bluetooth is behind an experimental flag in Chrome 45+. Go to chrome://flags/#enable-web-bluetooth to enable the flag. Restart Chrome and you should be good to go.
Experiment with web-bluetooth on the following devices.
- Linux
- ChromeOS
- Android
- Mac
Any Bluetooth Low Energy Heart Rate Monitor advertising the Heart Rate Service. We used the Polar H7.
First, fork this repo and then setup and run:
$ cd hrm
$ openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365
# Note that you may get error like: c.context.setKey(options.key);
# in this case you need to remove the pass:
$ openssl rsa -in key.pem -out newkey.pem && mv newkey.pem key.pem
# install
$ npm install$ node server.js
$ open https://localhost:3000