Home Automation with Raspberry Pi: Projects Using Google Home, Amazon Echo, and Other Intelligent Personal Assistants by Donald Norris

Author:Donald Norris [Donald Norris]
Language: eng
Format: epub
Publisher: McGraw-Hill Education TAB
Published: 2019-05-02T16:00:00+00:00

Setting Up Presence Detection

Presence detection detects whether people are at home, which is a very valuable input for creating automation scripts. Knowing who is at home or where they are will open a whole range of automation options, including

Sending a notification when a child arrives at school

Turning on the air-conditioning when I leave work

The Home Assistant device tracker component provides presence detection. It supports three different methods for presence detection:

1. Scan for connected devices on the local network.

2. Scan for Bluetooth devices within range.

3. Connect to a third-party service.

Scanning for connected devices is easy to set up with options that include using Home Assistant components known as router-based devices/services, a portion of which is shown in Figure 5-12.

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