Photosensitive Resistor Sensor Module for Arduino


In stock

SKU: 766370
  1. This is a High-quality photosensitive sensor module/light module detects the photosensitive resistor for Arduino
  2. Resistance of the photoresistor is typically less than 80 Ohms (in full light)
  3. Dark resistance is typically greater than 20 Meg Ohms (in full darkness)


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Brand: Generic
Category: Light/color Sensor
Tags: LDR

This is a High-quality photosensitive sensor module/light module detects the photosensitive resistor for Arduino. The photoresistor module detects light intensity. As the intensity of light on the photoresistor increases, so the resistance of the photoresistor decreases. A built-in 10k resistor on the module can be used to build a divider circuit for measuring changes in light intensity from the photoresistor. A device such as an Arduino can be used to read the light intensity using an analog input pin.

Photo Resistor Module Connections to Arduino:

  1. Pin 1 (S) of the module connects to an Arduino analog input pin. Arduino analog input A0 is used in the sketches below, but can be changed.
  2. Pin 2 of the module connects to the Arduino GND pin.
  3. Pin 3 (-) of the module connects to the Arduino 5V pin

Generic 22Main


  1. The photosensitive device, its photocurrent increases with the applied voltage.
  2. the temperature coefficient. Photoelectric effect photoresistor influenced by temperature, partial photoresistor optoelectronic at low temperatures
  3. Higher sensitivity, whereas the sensitivity at high temperatures, are lower.
  4. rated power. Refers to the rated power for a certain line photoresistor allowed power consumed when the temperature rises.
  5. High, its power consumption is reduced.
  6. According to the spectral characteristics of the photoresistor has three photoresistors: Ultraviolet photosensitive resistance, infrared light-sensitive resistors, Visible photosensitive resistance.

Package Includes:

1 x Photosensitive Resistor Sensor Module for Arduino

SKU: 766370 Category: Tag:
Resistance of the photoresistor(in full light)

less than 80 Ohms

Dark resistance(in full darkness)

> 20MΩ



Shipping Weight 0.005 kg
Shipping Dimensions 3 × 2 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China