Description
h2>Product Overview
The TSL2591 photometric sensor is a high-performance digital light sensor designed for applications requiring accurate light measurement across a wide range of conditions. It features built-in infrared and full-spectrum photodiodes, enabling it to replicate human eye response for natural color rendering. The sensor includes an integrated 12-bit ADC for precise lux measurement, with a dynamic range of up to 1.6 billion counts. It operates on a 3.3V-5V power supply and communicates via I2C with a fixed 0x29 address. Ideal for robotics, smart lighting, and industrial automation, it’s compact, reliable, and easy to integrate into existing systems.
Usage

This sensor is widely used in smart home devices, IoT projects, robotics, and industrial automation systems where accurate ambient light detection is required. It’s suitable for developers, hobbyists, and engineers working with Arduino, Raspberry Pi, or other microcontrollers. Its wide temperature range (-30°C to 80°C) makes it suitable for both indoor and outdoor applications. The QWIIC connector simplifies wiring and integration into prototyping boards.
Why Choose Us
We offer a reliable, high-precision sensor with a proven track record in industrial and scientific applications. The TSL2591 is manufactured with durable components and tested for consistent performance under varying environmental conditions. Its compact size and easy-to-use I2C interface reduce setup time and complexity. We provide detailed documentation and technical support to ensure smooth integration. Our products are backed by a quality assurance process to meet industry standards.
Key Features
- High dynamic range (up to 1.6 billion counts) for accurate light measurement in varying conditions.
- Human eye response design for natural color rendering and consistent performance.
- Wide operating temperature range (-30°C to 80°C) for use in diverse environments.
- Easy I2C interface with fixed 0x29 address for seamless integration with microcontrollers.
- Comprehensive technical support and detailed documentation for smooth setup and troubleshooting.
FAQ
What is the operating voltage range of the TSL2591 sensor?
We offer a reliable, high-precision sensor with a proven track record in industrial and scientific applications. The TSL2591 is manufactured with durable components and tested for consistent performance under varying environmental conditions. Its compact size and easy-to-use I2C interface reduce setup time and complexity. We provide detailed documentation and technical support to ensure smooth integration. Our products are backed by a quality assurance process to meet industry standards.
Key Features
- High dynamic range (up to 1.6 billion counts) for accurate light measurement in varying conditions.
- Human eye response design for natural color rendering and consistent performance.
- Wide operating temperature range (-30°C to 80°C) for use in diverse environments.
- Easy I2C interface with fixed 0x29 address for seamless integration with microcontrollers.
- Comprehensive technical support and detailed documentation for smooth setup and troubleshooting.
FAQ
What is the operating voltage range of the TSL2591 sensor?
- High dynamic range (up to 1.6 billion counts) for accurate light measurement in varying conditions.
- Human eye response design for natural color rendering and consistent performance.
- Wide operating temperature range (-30°C to 80°C) for use in diverse environments.
- Easy I2C interface with fixed 0x29 address for seamless integration with microcontrollers.
- Comprehensive technical support and detailed documentation for smooth setup and troubleshooting.
FAQ
What is the operating voltage range of the TSL2591 sensor?
What is the operating voltage range of the TSL2591 sensor?
The TSL2591 sensor operates on a 3.3V to 5V power supply, making it compatible with most microcontroller systems including Arduino and Raspberry Pi.
Can I use this sensor with QWIIC connectors?
Yes, the TSL2591 module is designed with QWIIC connectors for easy plug-and-play integration into prototyping boards and development kits.
What is the dynamic range of this sensor?
The sensor has an extremely wide dynamic range of up to 1.6 billion counts, allowing it to accurately measure light levels from very low to very high intensities.
What is the temperature range for this sensor?
The TSL2591 operates reliably from -30°C to 80°C, making it suitable for both indoor and outdoor applications.
Is this sensor compatible with Arduino?
Yes, the TSL2591 is fully compatible with Arduino and other microcontrollers that support I2C communication. It requires minimal code to get started.




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