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LDR SENSOR

Availability: In stock

Only 100 left

Rs.8.00

Quick Overview

A Light Dependent Resistor (LDR) or a photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. Hence, they are light sensitive devices. They are also called as photo conductors, photo conductive cells or simply photocells. They are made up of semiconductor materials having high resistance. There are many different symbols used to indicate a LDR, one of the most commonly used symbol is shown in the figure below. The arrow indicates light falling on it.

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    Details

    A Light Dependent Resistor (LDR) or a photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. Hence, they are light sensitive devices. They are also called as photo conductors, photo conductive cells or simply photocells. They are made up of semiconductor materials having high resistance. There are many different symbols used to indicate a LDR, one of the most commonly used symbol is shown in the figure below. The arrow indicates light falling on it.

    FEATURES


    • Input voltage: 5v
    • Output: analog
    • Highly sensitivity to light
    • Output voltage: 5v


    APPLICATIONS


    • No need to detect absences or presences of light like in a camera light meter.
    • Used in street lamps, alarm clock, burglar alarm circuits, light intensity meters
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