Web-Bluetooth Demo: Heart Rate Service

This simple demo uses the Web-Bluetooth library to connect to a device broadcasting a Heart Rate Service characteristic and reads the heart rate.

Requirements

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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

Any Bluetooth Low Energy Heart Rate Monitor advertising the Heart Rate Service. We used the Polar H7.

Installation

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First, fork this repo and then run:

$ npm install
$ npm run demo
$ open http://localhost:3000

Use

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Connect to any device by its Name or Name Prefix. This demo uses four of the many methods in the web-bluetooth library.

new BluetoothDevice()

connect()

disconnect()

startNotifications()

For more information, visit the web-bluetooth docs.