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Home / Sensors / OPT3001/3002/3004 Ambient Light Sensor Module Measures Visible Light Density Digital Optical Sensor

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Sensors
Origin -
Sensor Type Ambient Light Sensor (ALS)
Interface I2C Compatible
Supply Voltage 1.6V to 5.5V
Spectral Response Matches Human Eye
Dynamic Range 0.01 to 83,000 Lux
Package Type USON-6 / Breakout Board
Operating Temperature -40°C to +85°C
Resolution 23-bit Effective
Interrupt Feature Programmable Thresholds
Application Display Backlight Control

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 4/5

Solid performance

Used this in a mobile robot to detect ambient conditions. It responds quickly to changes. Would give 5 stars if it came with header pins pre-soldered.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Excellent for learning

Bought this for a university project on smart lighting systems. The documentation provided by the seller helped me get started quickly. Very reliable data output.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Best value light sensor

Compared to other sensors in this price range, the OPT3004 offers superior precision. The human-eye spectral response makes a real difference in automatic brightness applications.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Great dynamic range

I needed a sensor that could handle both dark rooms and direct sunlight. The OPT3001 handles the full range without saturating. Integration with ESP32 was seamless.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Accurate but small pins

The sensor accuracy is impressive and matches the datasheet specifications perfectly. My only complaint is that the pins on the breakout board are a bit close together for standard breadboards without an adapter.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for Arduino Projects

This module works flawlessly with my Arduino Uno. The I2C library is easy to use, and the readings are very stable even under fluctuating light conditions. Highly recommended for hobbyists.

5 FAQ

Q: Can I use this with a Raspberry Pi?

A: Absolutely. Since it communicates via I2C, you can easily connect it to the GPIO pins on any Raspberry Pi model using Python or C++ libraries.

Q: Does this module come with header pins included?

A: The module typically ships without header pins soldered to allow for flexible mounting options, but headers are often included in the bag for you to solder yourself.

Q: What is the maximum lux this sensor can measure?

A: The sensor has a wide dynamic range and can accurately measure up to approximately 83,000 lux, which covers everything from moonlight to direct sunlight.

Q: Does it support interrupt signals for low power modes?

A: Yes, the OPT3001/02/04 series includes programmable threshold interrupts, allowing your microcontroller to sleep until specific light levels are detected.

Q: Is this compatible with 5V logic levels?

A: Yes, the module supports a supply voltage up to 5.5V and features level shifting, making it safe to use with both 3.3V and 5V microcontrollers.

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