INTRODUCTION

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.

Gravity: LTR390 UV Light Sensor I2C Connection Diagram

I2C Connection Diagram

Gravity: LTR390 UV Light Sensor UART Connection Diagram

UART Connection Diagram

FEATURES

Support I2C and UART communication

3.3V & 5V compatible

13 to 20 bits effective resolution

Adjustable gain range: 1, 3, 6, 9 and 18

Interrupt function, programmable upper and lower thresholds

Close to human eye spectral response

APPLICATIONS

UV intensity detection

Light intensity detection

Weather experiments for teaching

Light detection experiments

Devices for monitoring UV index

Devices for outdoor UV detection

SPECIFICATION

Chip: LTR390-UV-01

Operating Voltage: DC 3.3V to 5V

Operating Current: about 2.73mA (18-bit data acquisition with a time of 100ms)

Communication Interface: I2C, UART

UV Response Wavelength: 280nm to 430nm

ALS Spectral Response Wavelength: 450nm to 700nm

Output Type: digital output

Dimension: 32mm×27mm/1.26×1.06”

DOCUMENTS

Product wiki

STP 3D Model

2D CAD Dimension

2D_CAD

Schematics

UV Datasheet

SHIPPING LIST

Gravity: LTR390-UV Sensor × 1

Gravity-4P I2C/UART Sensor Cable × 1

Gravity: LTR390 UV Light Sensor (280nm to 430nm) - I2C & UART

Gravity: LTR390 UV Light Sensor (280nm to 430nm) - I2C & UART

Rp 211.092

Deskripsi