Sht31 adafruit manual
Sht31 adafruit manual. Sensors. Quick links Jul 30, 2018 · ↳ Feather - Adafruit's lightweight platform ↳ Circuit Playground Classic, Circuit Playground Express, Circuit Playground Bluefruit ↳ Trinket ATTiny, Trinket M0 Feb 4, 2015 · Since the adafruit sht31 library hasn't implemented the crc8 check yet. This library Jun 22, 2017 · Hallo, I want to connect two temperature sensors to my Arduino using the I2c connection. 06 °C Resolution Typ. The temperature appears to be going up with each subsequent reading. To get you going fast, we spun up a custom This is a library for the SHT31 Digital Humidity + Temp sensor. I put this algorithm into code. 0. 12 °C High 0. 高い精度で温度と湿度の2つの環境情報を同時に測定できます。. Sep 28, 2019 · Adafruit SHT31 Post by weal » Sun Nov 22, 2020 8:24 am When I use Adafruit SHT31 with Arduino and LCD(20X4)-I2C, Everything works actually but when I use Arduino MKR zero I have to click on the serial monitor to display the data on the LCDCould you help me to solve that problem?. org; TECHNOLOGY; adafruit/Adafruit SHT31 Library. Aug 14, 2018 · Adafruit_SHT31/Adafruit_SHT31. 015 °C Specified Range - -40 to 125 °C Response time 8 63% >2 s Long Term Drift max <0. マイコンとの通信方式は、I2Cです。. Sep 26, 2020 · Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Aug 21, 2021 · adafruit industries. This guide will include a brief description of the sensor, connection with ESP32 board and then setting up a project in VS Code with ESP-IDF extension to acquire the sensor data and display it on the console. And, finally we have some that have a true I2C interface for easy reading. The way to create an I2C object depends on the board you are using. A driver for the SHT31-D temperature and humidity sensor. 8 %RH Specified range3 extended4 0 to 100 %RH Response time5 63% 86 s Long-term drift Typ. My problem is that two different SHT31 stopped working after couple of tests. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site , learn computer science using the CS Discoveries class on code. In this user guide, we will learn to interface SHT31 Temperature and Humidity Sensor module with Arduino. Thanks for your help! Now I got one problem. The SHT3x-DIS has increased intelligence, reliability and improved accuracy Dec 28, 2016 · Hi, I've been using adafruit two adafruit sht31 sensors on one arduino board. Senzor se mimo jiné používá pro meteorologické stanice a systémy řízení vnitřní klimatizace. adafruit. , -40°C to 90°C 0. """ `adafruit_sht31` ===== This is a CircuitPython driver for the SHT31-D Arduino library for ClosedCube SHT31-D (SHT30-D, SHT35-D) Digital Humidity & Temperature Sensor breakout board - GitHub - closedcube/ClosedCube_SHT31D_Arduino Adafruit Industries, Unique & fun DIY electronics and kits DHT22 temperature-humidity sensor + extras : ID 385 - The DHT22 is a basic, low-cost digital temperature and humidity sensor. Limor Fried/Ladyada (Adafruit Industries). 01% RH resolution). 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. Quick links TCA9548A that will allow a maximum of eight devices with the same addresses to be connected to the same I2C bus. The system worked perfectly at first, except the Battery voltage reading part, Arduino couldn't measure battery voltage from the voltage divider, it gave 0. For relative humidity, this module typically has an accuracy of 2%RH, and for temperature, 0. SHT30 is a digital temperature and humidity sensor. Humidity measurement range: 0-100% RH/ Accuracy ±3% RH. This website is Open Source, please help improve it by submitting a change on GitHub: The SHT31-D sensor has an excellent ±2% relative humidity and ±0. This library is compatible with all architectures so you should be able to use it on all the Arduino boards. Adafruit sht31-d for Raspberry PI Referance material. Once this is done you can define your board. Jan 8, 2013 · Adafruit invests time and resources providing this open source code, please support Adafruit andopen-source hardware by purchasing products from Adafruit! Limor Fried/Ladyada (Adafruit Industries). temper ature - The temperature measured by the sensor, a value in degrees Celsius. check_heater_status() temperature, humidity = sht31. by Adafruit Industries Mar 8, 2024 · And type in adafruit sgp30 to locate the library. All the tutorials for SHT3x sensors say to connect the VIN to the 3. Jan 8, 2013 · 44 #define SHT31_REG_HEATER_BIT 0x0d . Figure 7 Temperature accuracy of the SHT31 sensor at VDD = 4. 3°C. And with a true I2C interface, reading the data is for easy. And finally, we have some that have a true I2C interface for easy reading. Since you may want Apr 1, 2017 · print sht31. readTemperature() and sht31. Just pull pin 2 high and make another Adafruit_SHT31 object but initialize that with the address 0x45. What I've noticed, after reading weird temperature values, is that the two sensors appear to be heating up! Nov 7, 2022 · November 7, 2022. One and two sensors are fine but three ore more the assignment seems to be wrong. The format is EagleCAD schematic and board layout Sep 25, 2018 · If you look at the attached image, there is definitely something wrong with the first SHT31-D I received. We now use the version with a PTFE filter, it'll stay clean while still allowing humidity measurements to work. Nov 12, 2017 · ESP32 and SHT31 sensor example. (. Dec 8, 2015 · Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. 熱容量を下げ、被測定空気の流通を Adafruit SHT31-D Temperature & Humidity Sensor Breakout Created by lady ada Last updated on 2018-03-07 05:34:42 PM UTC Jul 25, 2023 · Arduino library for SHT31 temperature & humidity sensor. I was actually surprised how close these sensors were. Snadno použitelný snímač teploty a vlhkosti napájený napětím od 3 V do 5,0 V. The problem is that in the same spot they show the very same temperature, but have a 8-10% difference in humidity readings. The diagram below shows the TCA9548A multiplexer that we will use with I2C devices having the same address Popis produktu: Digitální čidlo vlhkosti a teploty SHT31 - I2C. For future reference, the default I2C address is 0x44 and you can also select address 0x45 by connecting the ADDR pin to a high voltage signal. Unlike earlier SHT sensors, this sensor has a true I2C interface, with two address options. 01 %RH Hysteresis at 25°C 0. i2c kernel documentation; Official SHT31 c++ library for Arduino; SHT31 manufacturer data sheet; Enable i2c on the PI in the usual way. Temperature measurement range: -40° C to 90°C/ Accuracy ±0. I2C() # uses board. The only reason I have it connected to the VIN with the address set to 0x45 is because when I don't do that, it cannot even find the sensor for some reason. 超小型14×12ミリの5ピンSIPモジュールです。. 7 <0. Maintainer: Adafruit. Here is an example of using the SHT31D class. Adafruit Industries, Unique & fun DIY electronics and kits SHT-30 Mesh-protected Weather-proof Temperature/Humidity Sensor [1M Cable] : ID 4099 - Take your next outdoor sensor project to the next level with this SHT-30 based temperature/humidity sensor. Teyleten Robot 1Pcs MH-Z19B Infrared Carbon Dioxide Monitor Sensor CO2 Detection Sensor Module UART PMW Wave Output 0-5000ppm+Cable. ) Return sensor heater state. This item: Adafruit Sensiron SHT31-D Temperature and Humidity Sensor Breakout. The Sensor status. 5 volts, therefore, making it convenient to use with microcontrollers having 3. First, name your device. That means it uses the two I2C data/clock wires available on most microcontrollers, and can share those pins with other sensors as long as they don't have an address collision. My question is only to ask if there is a known conflict between these two devices, SHT31-D and RFM69CHW Sep 19, 2023 · Adafruit. As far as humidity, the first SHT31-D reads about -10% as compared to other SHT31-Ds I received. MODE_PERIODIC Jan 22, 2023 · Temperature & Humidity Sensor SHT31 is an integrated temperature & humidity sensor that is precise, quick, and reliable. It tests out against the test data, but since I don't have any sht31's yet, here it is. We now use the version with a PTFE filter, it'll Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. As the successor of the SHT2x series it sets the industry standard in humidity sensing. Humidity measurement range: 0-100% RH/ Accuracy Mar 14, 2020 · ArduinoとSHT31センサーで温湿度計を自作します。Arduinoは接点出しができますから、作成後の応用幅がとんでもなく広いです！ぜひ使えるようになり Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Sensirion SHT31-D [Temperature & Humidity Sensor] : ID 2857 - Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. . Maintainer: Rob Tillaart. It also has wide input voltage range from 2. QT Cable is not included, but we have a variety in the shop. PCB files for the Sensirion SHT31 Sensor Breakout. This is a CircuitPython driver for the SHT31-D temperature and humidity sensor. Integration has been a doddle, I2C interface and the code simply reads the value and displays it on an OLED display. 2 %RH Max. Jun 14, 2017 · SENSIRION社の高精度温湿度センサSHT31-DISを搭載したセンサモジュールです。. h Line 27 in 5576352 #define SHT31_MEAS_HIGHREP 0x2400 This address is not shown on Manual: SHT30 SHT31 Figure 6 Temperature accuracy of the SHT30 sensor at VDD = 4. First you will need to import the libraries to use the sensor . SDA sht = adafruit_sht31d. 03 °C/yr Dec 8, 2015 · The HTU21D-F is a I2C sensor. Readme License. Execute a Soft RESET of the sensor. The SHTC3 sensor has an excellent ±2% relative humidity and ±0. Jul 9, 2018 · SHT31-D and BMP280 heat themselves up when in operation. This library Adafruit Sensirion SHT31-D Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. print "Humidity: %s" % humidity. Thanks for your reply! Sep 27, 2022 · You can build a digital nose with the ENS160 Gas Sensor, a fully integrated MOX gas sensor. 3 or 5 volts. Firstly, we will introduce you to SHT31 sensor including its pinout, features, and interfacing with Arduino. 3°C at 25°C (0. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort. 7V Jan 8, 2013 · Here are the classes, structs, unions and interfaces with brief descriptions: C Adafruit_SHT31 SHT35 is a digital temperature and humidity sensor. import board import adafruit_sht31d. Using it is fairly straight-forward: the multiplexer itself Defaults to :const:`0x44` **Quickstart: Importing and using the SHT31-D** Here is an example of using the :class:`SHT31D` class. Contribute to adafruit/Adafruit_SHT31 development by creating an account on GitHub. Compatibility. $2588. 015°C resolution). readTemperature(). Jan 8, 2013 · Adafruit invests time and resources providing this open source code, please support Adafruit andopen-source hardware by purchasing products from Adafruit! Author. Mar 20, 2020 · I had a similar problem, but the fix turned out to be simple. GPL-3. It operates on a range of 3-5. $1620. As you can see, it turns the heater on, then immediately off, before taking a reading, so you may actually be correct in that it needs to be on only for 100ms. io WipperSnapper Adds No-Code Support for the Sensirion SHT31-D – Acquire Temperature and Humidity Readings without Programming! You now can use the Sensirion SHT31-D Sensor with Adafruit. 1. The SHT3x humidity sensor series consists of a low-cost version with the SHT30 humidity sensor, a standard version with the SHT31 humidity sensor, and a high-end version with the SHT35 humidity sensor. See attached pictures. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed). 5V5. 5°C accuracy for most uses. C) The RH readings seem to creep up over time (over a few days), eventually hitting a max that appears to be 2-3% above the actual values. The default sensor usage includes a blocking sensor read that blocks the current thread until the sensor does a reading. SHT31D (i2c) Now yo u're read y to read values from the sensor using an y of thes e prope rties: relative _humid ity - The relative humidity measured by the sensor, this is a value from 0-100%. Stars. The measured relative humidity in percent. In the Monitor Editor you can edit the upper and lower limits of the Temperature and Humidity Monitors or create completely new Monitor Files. relative_humidity) You can instruct the sensor to periodically measure the temperature and humidity, storing the result in its internal cache: sensor. 15 %RH High 0. In this tutorial, we will learn to interface SHT31 temperature and humidity sensor using ESP32 and ESP-IDF. In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT4x offers the best price-performance ratio on the market. i2c-bcm2708; ic2-dev; edit /boot Feb 7, 2023 · User FloppyDisck in the Adafruit forums let us know about a SHT31 temperature and humidity sensor cargo driver for Rust. 2°C. 5v. Featuring an LCD display presenting humidity and temperature data, this device also includes a Bluetooth Low Energy module for communication with smartphones and other compatible devices. Start Logging. When data is requested, it returns a NAN for both temp and hum. This sensor is ideal for temperature and humidity sensing. For boards with labeled SCL and SDA pins, you can: The SHT31-D sensor has an excellent +/-2% relative humidity and +/-0. 2 °C Repeatability2 Low 0. mode = adafruit_sht31d. The ESPHomeYAML wizard will walk you through setting up a ESP-powered device using ESPHome. Resources. This module uses I2C communication and the 2 SCL and SDA pins are used to communicate with this sensor. Dec 30, 2021 · SHT3x is more precise and accurate than other sensors like LM35, DHT11, DHT22, Thermistors, DS18B20 and has a greater range of measuring temperature than few of them which is -40° to +125°C (-40° to +257°F) and relative humidity ranging from 0 to 100%. Connect the rest of the pins exactly as you've done with the first SHT31. The maximum temperature range of the SHT31 is -40 to 125°C. org, jump into CircuitPython to learn Python and hardware together Jun 17, 2020 · Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. The issue is how to get information from all of them using Adafruit_SHT31. Temperature measurement range: 0 °C to 65°C/ Accuracy ±0. The SHT31-D sensor has an excellent ±2% relative humidity and ±0. I use acurite thermometer to test the accuracy of your SHT31D. The sensor appears to initialize and shows a status of 0x8010 or 0x8050 as it did by itself. B) The variation is in the +-2-3% RH range. . written by shedboy71 12th November 2017. Firstly, we will introduce you to SHT31 sensor including its pinout, features, and interfacing with ESP32. Releases The digital SHT3x humidity sensor series takes sensor technology to a new level. 2°C accuracy for most uses. Jun 22, 2017 · Hallo, I want to connect two temperature sensors to my Arduino using the I2c connection. I've had no problems with the temperature, that seems very accurate without any code to manipulate the value returned via sensor. I2C object and define your sensor object. Click Continue. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2 [STEMMA QT / Qwiic] : ID 3709 - Breathe easy with the SGP30 Multi-Pixel Gas Sensor, a fully integrated MOX gas sensor. 24 °C Medium 0. Gravity: Analog AC Current Sensor (20A) - AC Current Signal Conversion Module and Open adafruit industries. code-block:: python import board import adafruit_sht31d Once this is done you can define your `board. h library? Jul 11, 2018 · Yes, you can do that. I wire they, and they work both well. The SHT31D reads 79F. Please refund my entire purchase. 52 class Adafruit_SHT31 The SHT31 Smart Gadget is a compact circuit board showcasing the exceptional performance and user-friendliness of our SHT31 humidity and temperature sensors. SHT31D (i2c) And then you can start measuring the temperature and humidity: print (sensor. +. Komunikuje přes rozhraní I2C. This is a very fine air quality sensor from the sensor experts at ScioSense, with I2C interfacing so you don't have to manage the heater and analog reading of a MOX sensor. Enter Kitchen as Logging Table Name and click Create. That is as advertised. 1 Recommended Operating Condition The sensor shows best performance when operated within recommended normal temperature and humidity range of 5 – Aug 22, 2022 · In this project, we will design a Hygrometer and Thermometer using SHT3x Sensor and Arduino. Tape and reel packaging combined with its suitability for standard SMD assembly Sep 11, 2015 · You would be, if you didn't have this ultra-cool TCA9548A 1-to-8 I2C multiplexer! Finally, a way to get up to 8 same-address I2C devices hooked up to one microcontroller - this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C pins with your command. io WipperSnapper for real-time Temperature & Humidity measurements, without the need for writing a single line of code! Dec 21, 2015 · Frequently bought together. Created by @njh. The SHT3x sensor is the most accurate and precise sensor for measuring humidity and temperature Oct 22, 2019 · Here are the pictures of how I wired it. 3°C accuracy for most uses. It builds on a new CMOSens® sensor chip that is at the heart of Sensirion’s new humidity and temperatureplatform. I give one the address 0x44 and the other the address 0x45. The Adafruit test code stops without giving errors. 25 %RH/yr Table 1 Humidity sensor specification ) Jan 8, 2013 · bool Adafruit_SHT31::isHeaterEnabled. This two sensors simply use different addresses 0x44 and 0x45 on the same i2c port. I checked using a test meter, the SHT3x was getting voltage but numerous SH3x libraries didn't seem to work, and a couple of I2C sketches also found nothing. 3/5V logic pins. 0 license Activity. License. Adafruit SHT31 Library. temperature) print (sensor. SHT31 is the next generation of Sensirion’s temperature and humidity sensors. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Sensirion SHT40 Temperature & Humidity Sensor [STEMMA QT / Qwiic] : ID 4885 - Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. 07 %RH Resolution Typ. Returns. Apr 18, 2018 · It does not work!!! The code is correct as SHT31D returns correct CRC and status register value. Přesnost je 0,3 ° C. Aug 25, 2021 · I have four pieces of "Adafruit Sensirion SHT31-D" sensors connected to ATSAMD21G18A custom board. Arduino Library for SHT31 Digital sensors. The room temperature is 74F. 3V GPIO. get_temp_and_humidity() print "Temperature C: %s" % temperature. This module can operate on either 3. Feb 7, 2019 · Click Open Web UI. If you're hooking up a lot of smart-devices to Home Assistant - make it as descriptive as possible. Run raspi-confid -> select enable i2c-- or --This is for raspbian jessie, wheezy is different. sensor = adafruit_sht31d. Releases Apr 25, 2016 · I've included an SHT31-D in a project. Docs; platformio. Arduino library for SHT31 temperature & humidity sensor. Click Install Load Demo Open up File->Examples->Adafruit_SGP30->sgp30test and upload to your microcontroller wired up to the sensor Then open up the serial console at 115200 baud, you'll see the serial number printed out - this is a unique 48-bit number burned into each chip. Nov 9, 2020 · Sorry the picture isn't clear. Dec 8, 2015 · The SHT31-D sensor has an excellent ±2% relative humidity and ±0. BSD license, all text above must be included in any redistribution SHT31 Accuracy tolerance1 typ. BSD license, all text above must be included in any redistribution Feb 28, 2012 · This board worked fine with the DHT22 but does not return data with the SHT31. edit /etc/modules and add. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit HTU31 Temperature & Humidity Sensor Breakout Board [STEMMA QT / Qwiic] : ID 4832 - The HTU31-D is the third generation of temperature-humidity sensors from TE - and a great follow-up to the popular HTU21-D sensor. Just a simple connection with Vin to the arduino's 5V and the rest connected with each other (Gnd-Gnd, SCL-SCL and SDA-SDA). From the ESPHomeYAML dashboard, click the Plus Icon to launch the ESPHome Setup Wizard. Quick links Sep 30, 2022 · Hello, I have built a temperature-humidity-VOC Gas monitoring system with the extra sensors laying around. I2C` object and define your sensor object . We will be interfacing the SHT31 Humidity and Temperature sensor with Arduino and display the temperature and humidity value on the 16×2 LCD Display. heater state (TRUE = enabled, FALSE = disabled) The documentation for this class was generated from the following files: Adafruit Industries, Unique & fun DIY electronics and kits SHT30 Temperature And Humidity Sensor - Wired Enclosed Shell : ID 5064 - The SHT30-D sensor has an excellent ±2% relative humidity and ±0. adafruit_sht31 ¶. code IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. Secondly, we will install the Adafruit SHT31 library in Arduino IDE to access the sensor data. First you will need to import the libraries to use the sensor. Registry. Click Start Logging in the upper right corner. Figure 4 %RH Repeatability2 Low 0. 3 °C SHT35 Accuracy tolerance1 typ. It has a typical accuracy of ±0. 46 extern TwoWire Wire; . Search Advanced search. It combines multiple metal-oxide sensing and heating elements on one chip to provide more detailed air quality signals. readHumidity() to read the data. It is designed specifically to work with the SHT31 Digital in the Adafruit shop: https://www. 68 stars In this user guide, we will learn to interface SHT31 Temperature and Humidity Sensor module with ESP32 development board. Now I have the problem that the SHT31 library have only the commands sht31. SCL and board. Author: Adafruit. I purchased an SHT31-D sensor breakout board and a BMP280 breakout board and I've wired them following the website instructions to an Adafruit Feather M0 + WINC1500. Automotive grade versions Apr 13, 2021 · UPDATED PRODUCT – Adafruit Sensirion SHT31-D – Temperature & Humidity Sensor UPDATED PRODUCT – Adafruit Sensirion SHT31-D – Temperature & Humidity Sensor As of April 6, 2021, we’ve updated this sensor to be STEMMA QT compatible – that means there’s now an easy way to plug-and-play this sensor without any soldering! SHT31 Accuracy tolerance1 Typ. 2 %RH Medium 0. 5V. It worked with 5 Sensors, but now after several tests and code versions it doesn't work anymore. This module uses I2C communication protocol and the 2 SCL and SDA pins are used in order to communicate to this sensor. com/products/2857; These sensors use I2C to communicate, 2 pins are required to interface The SHT31 sensor is capable of reading humidity over the full range of 0 to 100% RH with a typical accuracy of ±2% over the range of 20% to 80% RH (0. Control the sensor internal heater. They are connected to two I2C interfaces and with I2C scanner I can see they are connected ok. Maybe Adafruit can roll this into their library after they have vetted it. Click Load Monitor File and open the file. Unlike earlier SHT sensors, this sensor has a true I2C interface, and (bonus!) even with two address options. Author(s): Jerry Needell, Llewelyn Trahaearn Jul 30, 2018 · adafruit industries. Read the documentation. adafruit_sht31d ¶. customer support forums. That wiring is what I have, or I at least have the closest I can get with the mini breadboard available to me. You must import the library to use it: import adafruit_sht31. If you don't use the chip but some breakout board you have to check the pull-up resistors. Dec 6, 2023 · Go to Monitoring in Main Menu. This driver takes an instantiated and active I2C object (from the busio or the bitbangio library) as an argument to its constructor. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Sensirion SHTC3 Temperature & Humidity Sensor [STEMMA QT / Qwiic] : ID 4636 - Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Sensirion SHT41 Temperature & Humidity Sensor [STEMMA QT / Qwiic] : ID 5776 - Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. SHT31D(i2c) Adafruit SHT31 Library. Arduino library for Sensorion SHT3x humidity and temperature sensors (SHT30, SHT31, SHT35). It also is 3V or 5V compliant, so you can power and communicate with it using any microcontroller or microcomputer. And, finally we have some that have a true I2C interface for easy Apr 14, 2021 · sensor = adafruit_sht31d. 2v to 5. A) Each SHT31-D unit has some variation (this was expected and seems reasonable). i2c = board. It consistently reads +5°F over both, DS18B20 and other SHT31-D. Class for SHT31 Temperature Humidity Adafruit I2C Author: Rob Tillaart. Skip to content. , -40°C to 90°C ±0. yu ek ok uf yf us xf he cj bp