Adafruit TSL2585 Digital UVA and Ambient Light Sensor

The Adafruit TSL2585 Digital UVA and Ambient Light Sensor is a great "three-in-one" light sensor that  has ambient light sensing, Infrared channel and UVA (315nm-400nm). In particular its not that common to get UVA narrow-band sensing on an I2C sensor, so this is great for outdoor light monitoring. It can also be used to measure curing lights, blacklights and reptile lamps! 

Please note: this sensor will give 'counts' for the ambient light sensor and is not lux-calibrated, so you can use it for measurements, but it won't convert to Lux. The UVA sensor does have a calibration byte, but only for 'factory corrected' counts, not µW/cm².

The sensor has an auto-gain system with up to x4096 gain, plus adjustable integration time, so it can detect down to 1 millilux.

This chip is tiny and normally uses 1.8V power and logic, so we've wrapped it into a tasty Stemma QT breakout board with SparkFun qwiic-compatible STEMMA QT connectors for the I2C bus, so you don't even need to solder. Just wire up to your favorite micro with a plug-and-play cable to get data ASAP. For a no-solder experience, just wire up to your favorite micro using a STEMMA QT adapter cable. The Stemma QT connectors also mean the TSL2585 can be used with our various associated accessories. QT Cable is not included, but we have a variety in the shop

Communication with the sensor is done over I2C; check out our Arduino and CircuitPython/Python code to get started fast and read data over I2C in a jiffy.