Product description: Gravity - UV ultraviolet light sensor - LTR390-UV-01 - I2C / UART - DFRobot SEN0540
Ultraviolet UV light sensor manufactured by DFRobot. It is equipped with the LTR390-UV-01 system that allows the measurement of radiation with a wavelength in the range from 280 nm to 430 nm. It features high sensitivity, fast response time and strong anti-interference ability. The module is equipped with a Gravity connector, which allows for easy and quick integration with other devices. There is also an ADC converter on the board, which enables communication via two interfaces: UART and I2C. Powered with voltage in the range from 3.3 V to 5 V.
Arduino compatible product
A detailed user guide is available on the manufacturer's website - check it out!
Characteristics of the module
- Equipped with the LTR390-UV-01 system for measuring ultraviolet radiation and visible light
- Equipped with ADC converter
- It uses I2C and UART buses to communicate with main modules and peripheral devices
- It allows the measurement of radiation with a wavelength from 280 nm to 430 nm
- The effective measurement resolution ranges from 13 bits to 20 bits
- The adjustable range of the module gain is: 1, 3, 6, 9 and 18
- The spectral response of the sensor is similar to the human eye
Suggested use
- UV intensity detection
- Light intensity detection
- Weather experiments for teaching purposes
- Light detection experiments
- UV index monitoring devices
- Devices for external UV detection
Pinout description and connection diagram
- Red line - VCC - 5 V power pin
- Black line - GND - system ground
- Blue line - SDA - data line of the I2C interface
- Green line - SCL - I2C interface clock line
Sensor technical specification
- Module type: UV ultraviolet and visible light sensor
- Layout: LTR390-UV-01
- Measurement range:
- ALS: from 450 nm to 700 nm
- UV: from 280 nm to 430 nm
- Supply voltage: 3.3 V to 5 V DC
- Operating current: about 2.73mA
- Communication interface: I2C and UART
- Output type: digital output
- Dimensions: 32x27mm
Kit Contents
- UV ultraviolet light sensor
- Cable with Gravity connector