O'Reilly logo

Bluetooth Low Energy: The Developer’s Handbook by Robin Heydon

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 4. New Usage Models

All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

—Carl Sagan

Bluetooth low energy enables a new way of using wireless technology. The main new models are based around the advertising model and include presence detection, broadcasting of data, and connectionless models. They also include gateways from devices to the Internet.

4.1. Presence Detection

The most interesting new wireless model enabled by Bluetooth low energy is presence. Presence means the state or fact of existing, occurring, or being present in a place or thing. Using the advertising model, devices can passively scan in the background for ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required