Gravity - UV ultraviolet light sensor - LTR390-UV-01 - I2C/UART - DFRobot SEN0540

Index: DFR-22672 EAN: 6959420923175
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.
Gravity - UV ultraviolet light sensor - LTR390-UV-01 - I2C/UART - DFRobot SEN0540
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Manufacturer: DFRobot
Compatibility: Arduino

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!

Gravity - UV ultraviolet light sensor - LTR390-UV-01 - I2C / UART - DFRobot SEN0540.

UV ultraviolet light sensor from DFRobot.

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
Example connection diagram.

An exemplary connection diagram using the I2C bus.

Components included in the set.

Components included in the set.

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
Sensor - type lights
Package width 6 cm
Package height 5.5 cm
Package depth 2.5 cm
Package weight 0.013 kg

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