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7. Advanced Techniques > 95. Control Lights in a Group

Control Lights in a Group

Most home automation software enables you to define groups that contain many units so that you can control multiple devices at once. This is a handy feature, but sometimes you might want to control the entire group except for one or two members.

Groups offer a convenient way to control a lot of devices all at once. For example, in the script that awakens me in the morning, I turn on several lights on the first floor so that I can see where I’m going when I fetch my morning cup of coffee. To do that, the script simply commands a group of lights on the first floor to turn on. Each member of the group is sent an On command, in the order in which they’re listed in the group definition.Figure 7-22 shows the group I used, as defined in XTension [Hack #17].


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