Reactive Brain Waves
summary
Connects a consumer Muse EEG headset to an Angular app over Web Bluetooth, parses each incoming packet of 12 samples, takes absolute+max and applies a hard threshold of 500 to detect blinks. Uses RxJS operators (filter, map, switchMap with a 300 ms timer, distinctUntilChanged) to debounce multiple peaks into single true/false events, binds via the async pipe to toggle a CSS eye, and writes Bluetooth characteristic bytes to a smart bulb — demo works live; hardware costs around $250.
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chapters (10)
- 0:00Reactive brain waves demo
- 3:43Web Bluetooth technology
- 5:55Muse EEG headset
- 9:35RxJS for brainwave data
- 11:04Live Angular with Muse data
- 21:49Filtering eye blinks
- 28:41Visualizing blinks
- 33:14Smart bulb control
- 39:54Web Bluetooth future
- 41:17Q&A
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