This Gravity: LTR390-UV sensor from DFRobot provides both ambient light and UV sensing with UV spectral response from 280nm to 430nm and raw data output. It features high sensitivity, quick response, and strong anti-interference ability.
With built-in ADC and MCU, this UV module can convert light data to a digital signal capable of being output via I2C or UART interface. It can be used for light experiments, outdoor UV detection, and other scenarios requiring UV or ambient light monitoring.
I2C Connection Diagram
UART Connection Diagram
Features:
Support I2C and UART communication 3.3V & 5V compatible 13 to 20 bits effective resolutionAdjustable gain range: 1, 3, 6, 9 and 18 Interrupt function, programmable upper and lower thresholds Close to human eye spectral responseApplications:
UV intensity detectionLight intensity detectionWeather experiments for teachingLight detection experimentsDevices for monitoring UV indexDevices for outdoor UV detection Specification:
Chip: LTR390-UV-01Operating Voltage: DC 3.3V to 5VOperating Current: about 2.73mA (18-bit data acquisition with a time of 100ms)Communication Interface: I2C, UARTUV Response Wavelength: 280nm to 430nmALS Spectral Response Wavelength: 450nm to 700nmOutput Type: digital outputDimension: 32mm×27mm/1.26×1.06”Documents:
Product Includes:
Gravity: LTR390-UV Sensor × 1Gravity-4P I2C/UART Sensor Cable × 1