KY-018 Photo Resistor

30 EGP In stock

## Product Description Photo resistors, also known as light dependent resistors (LDR), are light sensitive devices most often used to indicate the presence or absence of light, or to measure the light intensity. In the dark, their resistance is very high, sometimes up to 1MΩ, but when the LDR sensor is exposed to light, the resistance drops dramatically, even down ... more on TechDepot Egypt

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Product Details

  • The best price of KY-018 Photo Resistor by TechDepot Egypt in Egypt is 30 EGP
  • Available payment methods are
    Cash on Delivery
  • Delivery fees are 35-45 EGP, with delivery expected within 5+ day(s)
  • Similar products to KY-018 Photo Resistor are sold at RAM Electronics with prices starting at 275 EGP
  • The first appearance of this product was on Jul 31, 2016

Technical Specifications

  • Weight:

    5 g

TechDepot Egypt's Description

Product Description

Photo resistors, also known as light dependent resistors (LDR), are light sensitive devices most often used to indicate the presence or absence of light, or to measure the light intensity. In the dark, their resistance is very high, sometimes up to 1MΩ, but when the LDR sensor is exposed to light, the resistance drops dramatically, even down to a few ohms, depending on the light intensity. LDRs have a sensitivity that varies with the wavelength of the light applied and are nonlinear devices. They are used in many applications but are sometimes made obsolete by other devices such as photodiodes and phototransistors.

Required Hardware Devices

  • Arduino controller × 1
  • KY-018 Photo Resistor
  • USB data cable × 1

Connecting

  • Arduino A5 –> Module Signal (S)
  • Arduino 5V –> Module +5V (Pin2)
  • Arduino GND –> Module GND (-)

Code

//KY018 Photo resistor module   int sensorPin = A5;// select the input pin for the potentiometerint ledPin =13;// select the pin for the LEDint sensorValue =0;// variable to store the value coming from the sensorvoid setup(){ pinMode(ledPin, OUTPUT); Serial.begin(9600);}void loop(){ sensorValue = analogRead(sensorPin); digitalWrite(ledPin, HIGH); delay(sensorValue); digitalWrite(ledPin, LOW); delay(sensorValue); Serial.println(sensorValue, DEC);}

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