---
product_id: 413335855
title: "Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface"
brand: "coolwell"
price: "€ 29.98"
currency: EUR
in_stock: false
url: https://www.desertcart.de/products/413335855-digital-ltr390-uv-ultraviolet-sensor-module-c-direct-uv-ambient
store_origin: DE
region: Germany
---

# Voltage Compatibility UV Measurement I2C Output Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface

**Brand:** coolwell
**Price:** € 29.98
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Illuminate Your Projects with Precision!

## Quick Answers

- **What is this?** Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface by coolwell
- **How much does it cost?** € 29.98 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/413335855-digital-ltr390-uv-ultraviolet-sensor-module-c-direct-uv-ambient)

## Best For

- coolwell enthusiasts

## Why This Product

- Trusted coolwell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Customizable Alerts:** Set programmable upper/lower thresholds with interrupt output for real-time monitoring.
- • **Seamless Integration:** Effortlessly connect via I2C for direct light intensity output with minimal noise interference.
- • **Precision UV Detection:** Harness the power of the LTR390-UV-01 for accurate UV and visible light measurements.
- • **Versatile Voltage Support:** Compatible with both 3.3V and 5V systems, making it perfect for various projects.
- • **Comprehensive Development Resources:** Includes detailed manuals and examples for Raspberry Pi, Arduino, and STM32 to kickstart your innovation.

## Overview

The Coolwell Digital LTR390-UV Ultraviolet Sensor Module (C) is a cutting-edge device designed for measuring ultraviolet and visible light intensity. It features an embedded ADC for direct output via I2C, ensuring low noise interference. With support for programmable thresholds and compatibility with multiple voltage levels, this sensor is ideal for developers looking to enhance their projects with accurate light measurement capabilities.

## Description

Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface

## Features

- Incorporates LTR390-UV-01, for measuring ultraviolet ray and visible light
- Embedded ADC, direct light intensity value output via I2C bus, less noise interference
- Supports interrupt output, programmable upper/lower threshold
- Onboard voltage translator, compatible with 3.3V/5V operating voltages
- Comes with development resources and manual (examples for Raspberry Pi/Ardui/STM32)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Coolwell |
| Package Dimensions | 7.29 x 5.11 x 2.21 cm; 9 g |
| Manufacturer | Coolwell |
| Color | UV Sensor (C) |
| Memory Technology | DDR4 |
| Memory Clock Speed | 2133 MHz |
| Number of HDMI Ports | 1 |
| Power Source | Corded Electric |
| Are Batteries Included | No |
| Item Weight | 9 g |

## Product Details

- **Brand:** Coolwell
- **Compatible Devices:** Raspberry Pi, Arduino, STM32
- **RAM Memory Technology:** DDR4
- **Compatible Processors:** Intel Core i3-3xxx, i5-3xxx, i7-3xxx, i5-4xxx, i7-4xxx, AMD A4-3xxx, A6-3xxx, A8-3xxx, A10-3xxx, Athlon II X2, Athlon II X4, Athlon X2, Athlon X4
- **Chipset Type:** Intel H61 Express, AMD A320
- **Memory Clock Speed:** 2133 MHz
- **Platform:** Linux
- **Model Name:** LTR390-UV
- **Main Power Connector Type:** USB
- **Graphics Card Interface:** PCI Express

## Images

![Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface - Image 1](https://m.media-amazon.com/images/I/51wmwyLTH3L.jpg)
![Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface - Image 2](https://m.media-amazon.com/images/I/41jsYr2mGdL.jpg)
![Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface - Image 3](https://m.media-amazon.com/images/I/51oSKbiMB9L.jpg)
![Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface - Image 4](https://m.media-amazon.com/images/I/510Nle-SVdL.jpg)
![Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface - Image 5](https://m.media-amazon.com/images/I/71LsbMIe6dL.jpg)

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**Shop now:** [https://www.desertcart.de/products/413335855-digital-ltr390-uv-ultraviolet-sensor-module-c-direct-uv-ambient](https://www.desertcart.de/products/413335855-digital-ltr390-uv-ultraviolet-sensor-module-c-direct-uv-ambient)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-02*