{"product_id":"adafruit-sensirion-sht41-precision-temperature-humidity-sensor-stemma-qt-qwiic","title":"Adafruit Sensirion SHT41 Precision Temperature \u0026 Humidity Sensor","description":"\u003cp\u003eSensirion temperature and humidity sensors are some of the finest \u0026amp; highest-accuracy devices you can get. This one has a true I2C interface for easy reading.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSHT41\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esensor is the fourth generation of I2C temperature and humidity sensor from Sensirion. (They started at the SHT10 and worked its way up to the top!). The SHT41 has an excellent ±1.8% typical relative humidity accuracy from 25 to 75% and ±0.2 °C typical accuracy from 0 to 75 °C.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNote that\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/en-eu\/products\/adafruit-sensirion-sht40-temperature-humidity-sensor-stemma-qt-qwiic\" target=\"_blank\"\u003ecompared to the SHT40\u003c\/a\u003e, the SHT41 has the same \u003cem\u003etypical accuracy of \u003c\/em\u003e±1.8% RH from 25-75% but has much better accuracy over the full humidity range, with a typical accuracy of ±2% over the 0-100% RH range, whereas the SHT40 has a worst-case typical accuracy of ±3%. Also, the SHT41 max accuracy is ±3% where as the SHT40 has a max accuracy of ±6%. So basically, you'll get better accuracy for not-much-more cost.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/en-eu\/products\/adafruit-sensirion-sht45-precision-temperature-humidity-sensor-stemma-qt-qwiic\" target=\"_blank\"\u003eIf you need the 'best' of the SHT4x series, check out the SHT45\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike some earlier SHT sensors, this sensor has a\u003cspan\u003e \u003c\/span\u003e\u003cem\u003etrue\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eI2C interface for easy interfacing with only two wires (plus power and ground!). Thanks to the voltage regulator and level shifting circuitry Adafruit included on the breakout it is also is 3V or 5V compliant, so you can power and communicate with it using any microcontroller or microcomputer.\u003c\/p\u003e\n\u003cp\u003eSuch a lovely chip - so Adafruit spun up a breakout board with the SHT41 and some supporting circuitry such as pullup resistors and capacitors. To make things even easier, we've included\u003ca href=\"https:\/\/www.sparkfun.com\/qwiic\"\u003e\u003cspan\u003e \u003c\/span\u003eSparkFun Qwiic\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ecompatible\u003ca href=\"https:\/\/learn.adafruit.com\/introducing-adafruit-stemma-qt\"\u003e\u003cspan\u003e \u003c\/span\u003eSTEMMA QT\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003econnectors for the I2C bus so you don't even need to solder!\u003cspan\u003e \u003c\/span\u003eQT Cable is not included, but \u003ca href=\"\/en-eu\/products\/jst-sh-cable-qwiic-stemma-qt-compatible\" target=\"_blank\"\u003ewe have a variety in the shop\u003c\/a\u003e. \u003c\/p\u003e\n\u003cp\u003eIf you prefer working on a breadboard, each order comes with one fully assembled and tested PCB breakout and a small piece of header. You'll need to solder the header onto the PCB, but it's fairly easy and takes only a few minutes even for a beginner. \u003c\/p\u003e\n\u003cp\u003eAdafruit have written both Arduino and CircuitPython\/Python library code for this chip, so you can use it with just about any microcontroller or single-board computer like Raspberry Pi.\u003c\/p\u003e\n\u003ch2\u003eTechnical Details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSHT41 Specifications \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRelative humidity accuracy: up to ±1.8 %RH\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy: up to ±0.2 °C\u003c\/li\u003e\n\u003cli\u003eBreakout supply voltage: 3.3 to 5V\u003c\/li\u003e\n\u003cli\u003eAverage bare sensor current: 0.4 μA (at meas. rate 1 Hz)\u003c\/li\u003e\n\u003cli\u003eIdle bare sensor current: 80 nA\u003c\/li\u003e\n\u003cli\u003eI2C fast mode plus, CRC checksum\u003c\/li\u003e\n\u003cli\u003eOperating range: 0…100 %RH, -40…125 °C\u003c\/li\u003e\n\u003cli\u003eFully functional in condensing environment\u003c\/li\u003e\n\u003cli\u003eVariable power heater\u003c\/li\u003e\n\u003cli\u003eNIST traceability for sensor\u003c\/li\u003e\n\u003cli\u003eJEDEC JESD47 qualification for sensor\u003c\/li\u003e\n\u003cli\u003eMature technology from global market leader Sensirion\u003c\/li\u003e\n\u003cli\u003eI2C address 0x44\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct Dimensions: 25.5mm x 17.6mm x 4.8mm \/ 1.0\" x 0.7\" x 0.2\"\u003c\/p\u003e\n\u003cp\u003eProduct Weight: 1.7g \/ 0.1oz\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/product-files\/5776\/Datasheet_SHT4x.pdf\"\u003eSHT4x Datasheet\u003c\/a\u003e\n\n\u003cimg height=\"80\" width=\"145\" alt=\"RoHS 2 2011 65 EU Compliant\" src=\"https:\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2011_65_EU.svg\"\u003e\n\u003cimg height=\"80\" width=\"145\" alt=\"RoHS 2 2015 863 EU Compliant\" src=\"https:\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2015_863_EU.svg\"\u003e\n\n\u003ch2\u003eLearn\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-sht40-temperature-humidity-sensor\"\u003ePrimary Guide: Adafruit Sensirion SHT40, SHT41 \u0026amp; SHT45 Temperature \u0026amp; Humidity Sensors\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":41032952447059,"sku":"ADA5776","price":5.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/files\/5776-00.jpg?v=1694773868","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/adafruit-sensirion-sht41-precision-temperature-humidity-sensor-stemma-qt-qwiic","provider":"Pimoroni Ltd","version":"1.0","type":"link"}