This module is based on the I2C light-to-digital converter TSL2561 to transform light intensity to a digital signal. It has three detection modes to take your readings (infrared mode, full-spectrum, and human visible mode) and can be used to measure the change in light intensity in various light situations with many popular microcontrollers.
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For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before you use this product.
Selectable detection modes: infrared mode, full-spectrum mode, and human visible mode
High-resolution: 16-Bit digital output at 400 kHz I2C Fast-Mode
Wide dynamic range: 0.1 - 40,000 LUX
Wide operating temperature range: -40°C to 85°C
Programmable interrupt function with User-Defined Upper and lower threshold settings
This module is based on the I2C light-to-digital converter TSL2561 to transform light intensity to a digital signal and can be used to measure the change in light intensity for various applications.
The TSL2561 is controlled and monitored by sixteen registers (three are reserved) and a command register accessed through the serial interface. These registers provide for a variety of control functions and can be read to determine the results of the ADC conversions. Different from the traditional analog light sensor, as Grove - Light Sensor, this digital module features a selectable light spectrum range due to its dual light-sensitive diodes: infrared and full spectrum.
You can switch between three detection modes to take your readings. They are infrared mode, full-spectrum, and human visible mode. When running under the human visible mode, this sensor will give you readings just close to your eye feelings. With its high-resolution and wide operating temperature range, you can use it to measure the change in light intensity in various light situations with many popular microcontrollers.
Ambient light sensing
Backlighting control for display panel
Keyboard illumination control