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  2. List of companies listed on the Colombo Stock Exchange

    en.wikipedia.org/wiki/List_of_companies_listed...

    Company Name Symbol B P P L Holdings: CSE: BPPL.N0000: Bairaha Farms: CSE: BFL.N0000: Balangoda Plantations: CSE: BALA.N0000: Bansei Royal Resorts Hikkaduwa: CSE: BRR ...

  3. Photoelectric sensor - Wikipedia

    en.wikipedia.org/wiki/Photoelectric_sensor

    A photoelectric sensor is a device used to determine the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are largely used in industrial manufacturing. There are three different useful types: opposed (through-beam), retro-reflective, and proximity-sensing (diffused).

  4. Twilight switch - Wikipedia

    en.wikipedia.org/wiki/Twilight_switch

    A twilight switch is an electronic component that allows the automatic activation of a lighting circuit when natural light drops in a given environment. Among a large number of uses, the most common is to enable automatic lighting of streets, roads, highways, roads, gardens, courtyards, etc., when sunlight drops below a certain level (e.g.: a ...

  5. Common Electronic Fund Transfer Switch - Wikipedia

    en.wikipedia.org/wiki/Common_Electronic_Fund...

    The General Direction No 01 of 2018 as per the Monetary Board of the Central Bank of Sri Lanka under section 44 of the Payment and Settlement Systems Act No 28 of 2005 came into immediate effect as of 25 July 2018 implies to the operations of the Common Electronic Fund Transfer Switch, Lanka Clear (Pvt) Ltd and members of CEFTS. [8]

  6. 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]

  7. Cadmium telluride photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Cadmium_telluride...

    For the 21 MW Blythe Photovoltaic Power Plant in California, a power purchase agreement fixed the price for the generated electricity at $0.12 per kWh (after the application of all incentives). [90] Defined in California as the "Market Referent Price," this set the price the PUC would pay for any daytime peaking power source, e.g., natural gas.

  8. Electric eye - Wikipedia

    en.wikipedia.org/wiki/Electric_eye

    Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam.

  9. LankaClear - Wikipedia

    en.wikipedia.org/wiki/LankaClear

    The Sri Lanka Interbank Payment System (or SLIPS in short) is the largest account-to-account fund transfer network in Sri Lanka. [2] Created by LankaClear, it enables member banks to carry out same-day transfers of up to Rs. 5 million, in a secure paperless process.

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