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  2. Electro-optical sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-optical_sensor

    An optical sensor can measure the changes from one or several light beams. When a change occurs, the light sensor operates as a photoelectric trigger and therefore either increases or decreases the electrical output. An optical switch enables signals in optical fibers or integrated optical circuits to be switched selectively between circuits ...

  3. Microoptoelectromechanical systems - Wikipedia

    en.wikipedia.org/wiki/Microoptoelectromechanical...

    Microoptoelectromechanical systems (MOEMS), also known as optical MEMS, are integrations of mechanical, optical, and electrical systems that involve sensing or manipulating optical signals at a very small size. MOEMS includes a wide variety of devices, for example optical switch, optical cross-connect, tunable VCSEL, microbolometers.

  4. Dos and Don’ts of Shopping at Home Depot: 10 Money ... - AOL

    www.aol.com/dos-don-ts-shopping-home-140049011.html

    Home Depot has a fairly lenient return policy. Most merchandise can be returned up to 90 days with proof of purchase, according to the website, and a full year if you used your Home Depot credit card.

  5. Slotted optical switch - Wikipedia

    en.wikipedia.org/wiki/Slotted_optical_switch

    The slotted optical switch, sometimes known as opto switch or optical switch but not to be confused with the optical component, is a device comprising a photoemitter (e.g. LED) and a photodetector (e.g. photodiode) mounted in a single package so that the photoemitter normally illuminates the photodetector, but an opaque object can be inserted in a slot between them so as to break the beam.

  6. Optoelectronics - Wikipedia

    en.wikipedia.org/wiki/Optoelectronics

    Electronic light sensors. Optoelectronics (or optronics) is the study and application of electronic devices and systems that find, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible ...

  7. ‘They’re girls, not wives’: Colombia votes to outlaw child ...

    www.aol.com/news/girls-not-wives-colombia-votes...

    The initial proposal to reform the law used the slogan “They’re girls, not wives” and aimed to prevent young girls from being forced to marry.

  8. Warning sign of type 2 diabetes: 7 ways to reverse prediabetes

    www.aol.com/news/warning-sign-type-2-diabetes...

    "If, despite these measures, blood sugar levels remain elevated, medications may be prescribed to further reduce the risk of developing type 2 diabetes," Shenoy advised.

  9. Opto-isolator - Wikipedia

    en.wikipedia.org/wiki/Opto-isolator

    Schematic diagram of an opto-isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on the right [note 1]. An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. [1]

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