If you had been sleeping, that person could have been right outside your window, and you wouldn’t have known it. They checked out your house, and since you don’t have a motion sensor, they can get past your security in the dark.Today, we’ll talk about the different motion sensors you can use with your lighting and alarm systems. These include the active sensor, the infrared sensor, and the passive infrared sensor (PIR).
A motion sensor is a device that can tell when something moves within a specific range. Depending on your choice, this range can be all around the detector or just in front of it. Most of the time, these are used to see if anyone is creeping around our buildings at night and scaring them away.
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Simple motion detectors can see things from 6.5 to 70 feet away. You can even buy ones that can find items farther away if you need to. There are different kinds of motion detectors, such as those that use light, infrared light, or radio waves. Each type is helpful in different situations.
Light-based motion detectors
An optical motion sensor has a light source that shines a light spot on something called the surfacer. When this light is reflected by the lens and photosensors array, it will follow that target as it moves around in the field of view.
Infrared sensors can pick up on differences in heat (like body heat) in the monitored area. When there is a change in the spectrum, they sense the heat and turn on the light, the security camera, and an alarm.
Radio wave movement detectors
Motion sensors that use radio waves, called “radiofrequency,” will send out microwave signals to protect a room or building. When tripped, they also turn on the light, the security camera, and the alarm, if you have that kind. Your security camera will know when your alarm went off and will show you pictures or video.
Motion sensors are handy when working with other things, like security alarms, lights, and security cameras. The most common use is to catch people who break in or around a home. These are also used for business buildings.
When used with those other devices, these detectors can catch an unwanted guest before getting close enough to hurt the property or the people inside it. Not only that but the pictures or videos taken by the security cameras can be used in court.
Motion sensors are also used in many new technologies, like automatic doors, some smartphones, gaming consoles, robots, and more. Today, we’ll talk about how they are used for security.
Systems for Security and Safety Lights
Motion detectors are used with lights or groups of lights for safety and security. If someone walks by an area being watched, the light will turn on immediately. Your security camera will snap a picture or record a person’s video.
The most common type of light with a motion sensor is a floodlight that turns on when it senses motion. They help keep people safe at night by lighting up the outside area. You can set up a system so that if one sensor is tripped, all the floodlights around your home and garage will turn on.
These are helpful and easy to use for safety reasons when walking outside at night to a place like a garage. You can save money on energy costs because they only turn on when they see you. For these kinds of things, you can turn off the alarm system.
Combined Sensor
These sensors, also called “Dual Technology,” sensors will use more than one way to detect motion at once to cut down on false alarms. Both types of sensors would have to be tripped for the notice or light to turn on.
