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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
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Light Sensor Photoresistor Module for Arduino | pH sensor with analog and digital output | Current item |
| Light Sensor Digital BH1750FVI | light sensor with I2C | I2C interface, digital output |
| Adafruit TSL2591 High Dynamic Range Digital Light Sensor - STEMMA QT | light sensor with I2C | STEMMA QT connector, digital output |
| Relay Light Controlled Module | light sensor | general-purpose sensing |
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.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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