Illuminance Click Board

The Illuminance Click Board™ from MikroE is a light sensor designed for better detection of ambient lighting over conventional light sensors that are too sensitive to infrared light. The board features an onboard TSL2561, a light-to-digital converter, which transforms light intensity to digital signal output. The TSL2561 sensor uses two separate photodiodes: One is sensitive to the full spectrum of light, the other to infrared light only. Using a formula, the user gets a sensor reading then approximates the light response of the human eye. Illuminance Click Board™ communicates with your target microcontroller via MikroBUS I2C lines: SCL (clock) and SDA (data). The zero-ohm J1 jumper allows the user to select between three available I2C addresses. The Illuminance Click Board™ finds application in auto-brightness regulators on OLED or LCD displays, or any other kind of automatic ambient light regulation. It is designed to use a 3.3V power supply only.

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