# Adafruit SHT31-D Temperature & Humidity Sensor Breakout

## Overview

![](https://cdn-learn.adafruit.com/assets/assets/000/101/414/medium800/adafruit_products_SHT31_top_angle.jpg?1618416459)

Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. And, _finally_ we have some that have a true I2C interface for easy reading. The **SHT31-D** sensor has an excellent ±2% relative humidity and ±0.3°C accuracy for most uses.

![](https://cdn-learn.adafruit.com/assets/assets/000/101/415/medium800/adafruit_products_SHT31_top.jpg?1618416471)

Unlike earlier SHT sensors, this sensor has a _true_ I2C interface, with two address options. It also is 3V or 5V compliant, so you can power and communicate with it using any microcontroller or microcomputer.

![](https://cdn-learn.adafruit.com/assets/assets/000/101/416/medium800/adafruit_products_SHT31_STEMMA_side.jpg?1618416482)

To get you going fast, we spun up a custom made PCB with the SHT31-D and some supporting circuitry such as pullup resistors and capacitors, in the[**STEMMA QT** form factor](https://www.adafruit.com/?q=stemma%20qt%20sensor "STEMMA QT form factor"), making them easy to interface with. The [STEMMA QT connectors](https://learn.adafruit.com/introducing-adafruit-stemma-qt/what-is-stemma-qt) on either side are compatible with the [SparkFun Qwiic](https://www.sparkfun.com/qwiic) I2C connectors. This allows you to make solderless connections between your development board and the SHT31-D or to chain them with a wide range of other sensors and accessories using a [**compatible cable**](https://www.adafruit.com/?q=stemma%20qt%20cable). [QT Cable is not included, but we have a variety in the shop](https://www.adafruit.com/?q=stemma+qt+cable&sort=BestMatch).

![](https://cdn-learn.adafruit.com/assets/assets/000/101/417/medium800/adafruit_products_SHT31_back.jpg?1618416494)

Each order comes with one fully assembled and tested PCB breakout and a small piece of header.

Info: 

![](https://cdn-learn.adafruit.com/assets/assets/000/028/971/medium800/adafruit_products_2857_kit_ORIG.jpg?1449606386)

- [Next Page](https://learn.adafruit.com/adafruit-sht31-d-temperature-and-humidity-sensor-breakout/pinouts.md)

## Featured Products

### Adafruit Sensirion SHT31-D

[Adafruit Sensirion SHT31-D](https://www.adafruit.com/product/2857)
Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. And, finally we have some that have a true I2C interface for easy reading. The **SHT31-D**  sensor has an excellent ±2% relative humidity and...

Out of Stock
[Buy Now](https://www.adafruit.com/product/2857)
[Related Guides to the Product](https://learn.adafruit.com/products/2857/guides)

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