Gravity: LTR390 UV Light Sensor (280nm to 430nm) - I2C & UART
129 units available with a short lead time.
The Gravity LTR390-UV sensor provides both ambient light and UV sensing with a UV spectral response from 280nm to 430nm. It features high sensitivity, quick response, and strong anti-interference performance.
With a built-in ADC and MCU, the module converts light data to digital output via I2C or UART interface. It supports programmable interrupt thresholds and adjustable gain settings, making it suitable for UV index monitoring, weather experiments, and light detection projects.
Key Features
- Dual Interface – I2C and UART communication
- 3.3V & 5V Compatible – Works with a wide range of controllers
- 13–20 Bit Resolution – Adjustable effective resolution
- Adjustable Gain – 1, 3, 6, 9, and 18× settings
- Interrupt Function – Programmable upper and lower thresholds
- Human Eye Response – ALS spectral response close to human eye sensitivity
Specifications
- Chip – LTR390-UV-01
- Operating Voltage – 3.3V to 5V DC
- Operating Current – ~2.73mA (18-bit, 100ms acquisition)
- UV Response – 280nm to 430nm
- ALS Response – 450nm to 700nm
- Output – Digital (I2C / UART)
- Dimensions – 32 × 27mm (1.26" × 1.06")
Ideal For
- UV index monitoring devices
- Outdoor UV detection
- Weather station experiments
- Ambient light sensing
Package Contents
- 1× Gravity LTR390-UV Sensor
- 1× Gravity 4-pin I2C/UART sensor cable
Resources
The Gravity: LTR390 UV Light Sensor (280nm to 430nm) - I2C & UART appears in the following collections:
SKU DF-SEN0540
by Little Bird
