• Light Sensor Photoresistor Module for Arduino - circuitrocks
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Measure Light and Optical Changes with a Compact Sensor

The Light Sensor Photoresistor Module for Arduino is a ph sensor with analog and digital output designed for light logging, auto-brightness control, and optical sensing. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Operating Voltage: 5VDC; Interface: Analog and digital.

Important: Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.

Why you’ll love it

  • Integrated LM393 Voltage Comparator: Integrated LM393 Voltage Comparator
  • Power range: 5VDC
  • Current draw: 15mA
  • Compact size: 40 x 16 x 7 mm (L x W x H)
  • Easy wiring: Analog and digital
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics

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What you can build

This sensor is a good fit for light meters, line followers, UV monitors, auto-brightness systems, and optical experiments.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Light Sensor Photoresistor Module for Arduino
Operating Voltage 5VDC
Current Draw 15mA
Dimension 40 x 16 x 7 mm (L x W x H)
Interface Analog and digital
Category optical light imaging photon sensors

Wiring & usage notes

Many modules in this style expose both analog and digital pins. Use the analog pin for raw readings and the digital pin for threshold-based switching, if available. Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.

What’s in the box

1 × Light Sensor Photoresistor Module for Arduino

Frequently Asked Questions

What does the Light Sensor Photoresistor Module for Arduino measure? It is designed to measure light, color, or optical changes.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Analog and digital sensor? This module may provide both analog and digital outputs, depending on how you wire and read it.
Does it need calibration? Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Light Sensor Photoresistor Module for Arduino

Light Sensor Photoresistor Module for Arduino

16 in stock

Product Code

2449

₱ 35.00
₱ 35.00
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