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Light Dependent Resistor LDR Sensor 5MM Photoresistor

Buy high quality Light Dependent Resistor LDR Sensor 5MM Photoresistor along with other sensor modules, relays, electronic components, bread boards, transducers and much more online at low price in Mumbai, Pune, Thane, Maharashtra, all parts of India & Abroad.


Available Stock : 10122 Unit

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Product Overview

A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The protection of a photoresistor diminishes with expanding occurrence light force; as such, it displays photoconductivity. A photoresistor can be connected in light-delicate identifier circuits, and light-and dull initiated exchanging circuits.


Maximum voltage (V-dc)
The maximum power dissipation (mW)
Ambient temperature (Degree C)
-30 - +70
Spectral peak (nm)

Frequently bought together

Light Dependent Resistor LDR Sensor ....

Light Dependent Resistor LDR Sensor ....

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US $. 0.030

Total price: US $ 0.178

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Working Principle

The Light Dependent Resistor works on the basic principle of photo conductivity, making them useful in light sensing. The term photoconductivity stands for phenomenon in which the conductivity of a substance increases while in contact with light. In general terms, the LDR is made up of substance who has low conductivity in darkness, and whenever it comes in the contact with light the conductive property of the sensor increases. A typical light dependent resistor has a resistance in the darkness of 1MOhm, and in the brightness a resistance of a couple of KOhm.

Interfacing Diagrams