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1. A Foot in the Front Door > 4. Send X10 Commands

Send X10 Commands

The computer you use for home automation often will be sending commands to your X10 devices. But when you want to send a command yourself, to turn on a light or change a setting, for instance, you’ll need an X10 controller.

The most common way to send an X10 command is to use a minicontroller, which is a small box (shown in Figure 1-4) that plugs into a wall outlet and has an array of switches that send On and Off signals to X10 addresses.

A minicontroller with labeled buttons

Figure 1-4. A minicontroller with labeled buttons

Tip

It’s called a minicontroller because it has four buttons that, when combined with the selector switch at the bottom of the unit, can address only 8 units—half of the 16 possible units in a given house code. This is something to keep in mind when you’re selecting the module addresses you want to use; if you spread the addresses out too far, you’ll need two controllers to easily send them all commands. Or, buy a maxi-controller instead.


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