Adafruit LTR390 UV Light Sensor – STEMMA QT/Qwiic

Availability:

In stock


SKU: 1012203
  1. Circuit: LTR390
  2. ALS measurement: 500 nm to 600 nm
  3. UVA measurement: 300 nm to 350 nm
  4. Supply voltage: 3 V to 5 V DC
  5. Communication interface: I2C
  6. Interface address: 0x53

 549.00

(inc GST)

In stock

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Brand: Adafruit
Category: Light/color Sensor
Tags: LTR390, STEMMA QT/Qwiic

The LTR390 is one of the few low-cost UV sensors available, and it’s a pretty nice one! With both ambient light and UVA sensing with a peak spectral response between 300 and 350nm. You can use it for measuring how much sun you can get before needing to covering up.

Unlike the Si1145, this sensor will not give you UV Index readings. However, the Si1145 does UV Index approximations based on a light level, not true UV sensing. The LTR-390, in contrast, does have a real light sensor in the UV spectrum. It’s also got a much much simpler I2C interface so you can run it on the Arduino or Python microcontrollers/microcomputers with ease. Unlike the GUVA analog sensor, the biasing and ADC is all internal so you don’t need an ADC.

To make using it as easy as possible, we’ve put the LTR390 on a breakout PCB  in our Stemma QT form factor with a sprinkle of support circuitry to give you options when testing. You can either use a breadboard or the SparkFun qwiic compatible STEMMA QT connectors, and compatibility with 5V voltage levels as commonly found on Arduinos, as well as 3.3V logic used by many other boards like the Raspberry Pi or our Feathers.


Package Includes:

1 x Adafruit LTR390 UV Light Sensor – STEMMA QT/Qwiic

Circuit

LTR390

ALS Measurement

500 nm to 600 nm

UVA Measurement

300 nm to 350 nm

Input Supply Voltage (VDC)

3 ~ 5

Communication Interface

I2C

Interface address

0x53

Shipment Weight

0.008 kg

Shipment Dimensions

3 × 2 × 1 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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