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Building a Home Security System with BeagleBone by Bill Pretty

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Chapter 3. Bigger and Better

In the previous chapter we built a simulated one zone alarm. Now we will learn how to install and wire basic sensors. Things such as window contacts, passive infrared sensors (PIRs), and glass break detectors. We will also learn about the most important part of any alarm system installation.

The planning phase

This is by far the most important part of the installation. Poor planning has caused more headaches than any other part of an alarm system installation project.

Step 1 – the walkabout

As the name suggests, take a walk around the property you will be protecting, both inside and outside. Try to think like a bad guy.

Ask yourself, "If I wanted to break into this house/office/warehouse, how would I do it?"

Take pictures ...

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