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2. Resistive opto-isolator - Wikipedia

   en.wikipedia.org/wiki/Resistive_opto-isolator

   Opto-isolator VTL2C1 with LED input and photoresistor output. Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator [notes 1] or lamp-coupled photocell, [1] is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically ...

3. 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]

4. Bulkhead - Wikipedia

   en.wikipedia.org/wiki/Bulkhead

   Bulkhead (stability pattern), a stability pattern used to protect distributed software applications; Bulkhead light, a traditionally oval style of light fitting that originated in nautical settings. They are usually weatherproof and have robust casings making them suitable for outdoor or industrial applications.

5. Photoresistor - Wikipedia

   en.wikipedia.org/wiki/Photoresistor

   Three photoresistors with scale in mm Large CdS photocell from a street light. A photoresistor is less light-sensitive than a photodiode or a phototransistor.The latter two components are true semiconductor devices, while a photoresistor is a passive component that does not have a PN-junction.

6. 3 Cracker Barrel Employees Fired After Refusing to Seat Group ...

   www.aol.com/lifestyle/3-cracker-barrel-employees...

   Three employees at a Maryland Cracker Barrel have reportedly been dismissed after staff refused to seat a group of students with special needs on Dec. 3 Superintendent of Charles County Public ...

7. FBI, DHS leaders decline to testify publicly about threats ...

   www.aol.com/news/fbi-dhs-leaders-decline-testify...

   WASHINGTON (Reuters) -FBI Director Christopher Wray and Homeland Security Secretary Alejandro Mayorkas declined to appear publicly on Thursday before a U.S. Senate committee to discuss national ...

8. 'Bleeding Eye' Virus Sparks Travel Warning and Worldwide ...

   www.aol.com/bleeding-eye-virus-sparks-travel...

   The CDC also says there are no known cases outside of Rwanda, and the risk of infection with this virus in the U.S. is low. ... 24/7 Wall St. Jefferies adds 3 growth and dividend superstars to top ...

9. Twilight Sentinel - Wikipedia

   en.wikipedia.org/wiki/Twilight_Sentinel

   The Twilight Sentinel system uses a photoelectric cell to measure ambient light levels. This cell is typically mounted on the dashboard of the vehicle. [7] The system is designed to activate the vehicle's exterior lights when the ambient light falls below a certain threshold, typically corresponding to twilight conditions.