Your home's weakest points are the exits and entrances, which is why you want to consider installing a door sensor in order to keep your family safe.
Most door sensors use a "reed switch," which is a type of switch that has been around since the 1930s. They are made up of electrical connectors that close when a magnetic field is placed parallel to them. Door sensors all have one magnet and one reed switch, which creates a closed circuit. When the door is opened, the magnet pulls away, it breaks the circuit and then triggers an event. These events may be a sound, a full-blown alarm or a discreet text alert.
There are a number of ways to use a door sensor in your home. Here are a couple of options:
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