An occupancy sensor is a device that is capable of detecting and/or recording the amount of people in a room or area. Occupancy sensors are most often used to determine how many people are in an area that may restrict the total occupancy or in a system that turns lights/other accessories off when no one is using them. Occupancy sensors are relatively simple and are usually just motion detectors that are used in conjunction with a timing device to record how long people have been away from an are
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Bluetooth technology has become commonplace in modern society and has expanded the ways in which people communicate with each other. Bluetooth has allowed for drivers to talk on the phone without using their hands, teenagers to listen to music without plugging their headphones into their MP3 players, and computer users to be more mobile by using bluetooth keyboards and mice. While the rest of these devices have shown great progress and innovation, this article will focus specifically on bluetoot
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An ultrasonic flow meter emits an ultrasonic signal through a liquid and receives the echoes that are reflected off of air bubbles and other discontinuities within the liquid in order to determine the liquid's speed through its container. Ultrasonic flow meters are used in waste water and other applications that involve changes in pressure or chemicals. Ultrasonic flow meters are ideal for many applications because they require little maintenance and can be used from a remote location.
How Ul
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One of the more interesting pieces of technology that has been released for the laptop computer is the fingerprint reader, which makes logging into a computer so much easier. The software that HP laptops use is Bioscrypt's VeriSoft Access Manager. By sliding one's finger across a small metallic sensor, the software is able to read the fingerprint and determine whether that person is authorized to use the computer. If they are, the computer automatically loads up. If not, said person will have to
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