~/talk

Fun with Bluetooth

Browser receives a live heart rate streamed to Chrome and controls real devices via the WebBluetooth API using navigator.bluetooth.requestDevice to get services and characteristics, readValue and writeValue with byte arrays. Demos include a 4‑byte RGB lightbulb variant, an LED matrix pixel control driven by indexed RGB values, a receipt printer that prints tweets, a Lego car with a Bluetooth receiver, and even a drone flown from browser; notes on packet sniffing, decompiling APKs, interference and missing documentation.

AI-written summary · about

  1. 0:00Start
  2. 9:46Web Bluetooth Api
  3. 13:51Led Matrixes
  4. 14:49A Bluetooth Network Sniffer
  5. 18:53Css Animations on a Lightbulb
  6. 19:38Receipt Printer
  7. 23:10Css Animations
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