The usb sensor stick is an usb to digital bus adapter. An arduino library for the sensirion sht1x and sht7x family of temperature and humidity sensors. Founded in 1998 sensirion has become the leading manufacturer of flow and environmental sensors solutions. Highly skilled team of more than 250 employees develops and produces highquality sensor components and systems for a variety of oem applications.
Sht7x including sht71 and sht75 is sensirions family of relative humidity and temperature sensors with pins. The sensors integrate sensor elements plus signal processing in compact format and provide a fully calibrated digital output. The sensirion sht1x addresses many of these issues head on. Sht75 sensirion datasheet and cad model download octopart. Accurate humidity measurements usually require careful analog design, but the shtxx moves all that complicated stuff. Im able to easily control the sht75 sensor with the arduino ide and. To do so, first connect the arduino to your computer using an usb cable. Ekh4 allows for applying 4 shtxx humidity and temperature sensors, no matter what generation, simultaneously and reading out relative humidity, temperature, calculated dew point and energy consumption at the same time. One advantage of the freescale freedom boards is that they work with arduino shields. See below for how we have mounted that in a modified pg7 gland nut. The temperature is measured using a bandgap sensor, whereas the humidity sensor is capacitive.
Sensirion offers multiple sht series of digital sensors for measuring both relative humidity and temperature. Drawing of sht1x sensor packaging, dimensions in mm 1mm 0. Provides a simple interface to the sht1x series sht10, sht11, sht15 and sht7x series sht71, sht75 temperature humidity sensors from sensirion. However, being in a humid place with not very high temperature may make you.
Ekh5 sensirion accessory, humidity sensor, usb dongle. Sensirion sht3x series offers their next generation of temperature and humidity sensors. The sht3x series contains a low cost version sht30, and a standard version, sht31. It is a smart sensor for both humidity and temperature, and it comes from the factory in a tiny package. Humidity is very difficult to measure and requires external circuitry and many calculations by most other sensors available. Buy your sht75 from an authorized sensirion distributor. Another option to consider is the arduino based solutions, for example this adafruit ft232h breakout general purpose usb to.
The sensor is located on the end of a long, thin neck with very good air flow and thermal characteristics. I would like to interface arduino and the humidity sensor sht75 with processing to get humidity and temperature data and show it on a gui. Sensirion sht11 temperature and humidity sensor on a. Once you have the arduino ide installed, its time to set it up for your board. Digital humidity sensor sht7x rht end of life the easy replaceability and low power consumption make the digital pintype sht7x humidity sensor series the ultimate choice for even the most demanding applications. The usb sensor sticks are part of various evaluation kits to allow simple testing of sensirion s digital sensor products. Sensirion sdp3x and sdp8xx driver for arduino platform sensirion arduino sdp. Sht1x by practical arduino the book libraries platformio. Im able to easily control the sht75 sensor with the arduino ide and receive data using the serial monitor, after the sensors library have been installed link. For sensor trial measurements, qualification of the sensor, or even experimental application data logging of the.
Prolonged direct exposure to sunshine or strong uv radiation may age the housing. Sensirion sht1xsht7x precision humidity and temperature sensor octopart. Sensirion library for sht7x humidity sensor arduino. As many sensor as you want 100% software do not use dedicated i2c pins.
At the point of writing this, most arduino boards should be fully compatible with the sensirion i 2 c and analog sensors. Learn more about sensirion ekh4, sensirion sht75, 80c51 at89s53 microcontroller, rh sensor. Humidity and temperature measurements with sensirions. Sensirions shtxx is a digitally interfaced humidity and temperature sensor. Soft i2c with sensirion sht21 sensors on arduino mega. With the onboard analog to digital hardware, and the factory calibration, all your microcontroller has to do is read out the temperature and. The sensirion sht15 is a calibrated digital humidity and temperature sensor. Pricing and availability on millions of electronic components from digikey. It is however important to check the voltage levels of the sensors used, and to compare those to the bus levels from the arduino boards. It is held very simple a usb dongle with usb to i2c translator capabilities connects with a sensor cable and sensor. Sht1x humidity and temperature sensors sensirion digikey.
It comes with easy to use development tools arduino ide, plenty of sample code, and a wide range of hardware variants. Sensirion sht11 temperature and humidity sensor on a mikroelektronika click board. Together with the free usb sensor viewer software it allows plug and play testing and evaluation of all sensirion s sensors with i 2 c interface. Arduino library for sensirion sht1x humidity and temperature sensors. Repository for sensirion humidity and temperature sensor support on arduino sensirionarduinosht.
Before we can install the sensirion software, we have to. Version 5 december 2011 112 datasheet sht1x sht10, sht11, sht15 humidity and temperature sensor ic fully calibrated digital output low power consumption excellent long term stability smd type package reflow solderable dimensions figure 1. Temperature and relative humidity are two very important ambient parameters that are directly related to human comfort. It also comes fully calibrated with digital output and a standard, lcc, surfacemountable package for reflow soldering. Sensirion sht3x series offers nextgeneration temperature and humidity sensors.
Afterwards, select the tools menu, and select arduinogenuino uno from the boards submenu. The company now employs people in various countries such as the usa, south korea, japan, china, taiwan, and germany. It can be connected to an i 2 c bus, however it is not i 2 c software compatible. Sensirion sht1x sht11 or sht15 humiditytemperature chip. And, finally we have some that have a true i2c interface for easy reading. For more sophisticated and demanding measurements a multi port evaluation kit ekh3 is available which allows for parallel application of up to 20 sensors. The ekh4 evaluation kit combines an easy to use plug and play system for sensor evaluation with a data logging equipment for simultaneous recording of humidity and temperature. The headquarters in switzerland is responsible for research, development, and production.
Sensirion temperaturehumidity sensor 28018 parallax inc. Sht3x series thus combines multiple functions and various interfaces with a userfriendly and very wide operating voltage range of 2. Before we can install the sensirion software, we have to prepare the arduino ide for the arduino board. Example code for sht1x or sht7x sensors demonstrating blocking calls for temperature and humidity measurement in the setup routine and nonblocking calls in the main loop. You simply create a second instance of the object with different pins and store the result in a different set of variables. Arduino is a great platform for prototyping, teaching and experimenting. Sht3x series temperature and humidity sensors sensirion.
Sensirions sht1x sensor family offers precision, relative humidity and temperature measurements with excellent longterm stability and low power consumption. In part 1 of this tutorial, we discussed about sensirions sht1x and sht7x series of humidity sensors, their interface specifications, the communication protocol used for transferring data in and out of the sensor, and the equations to convert their digital outputs to actual physical quantities. Sensirion library for sht7x humidity sensor arduino stack exchange. I wrote some labview 8 code to communicate with the sht15 with an ni usb6008 daq device. Compare pricing for sensirion sht75 across distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. There is also a large ecosystem for periphery like displays, inputs, and sensors. The sht3x series contains a lowcost version sht30 and a standard version, sht31. With viewer software it is able to communicate with sht1x, sht7x as well as the new generation sht2x and display measured values. Created by markus schatzl, november 28, 2008 revised v1. The sensirion sht1x is a smart sensor that comes to you ready to be integrated into your project with your microcontroller. Sometimes, you may be able to bear higher temperatures, if there is a lower relative humidity, such as in hot and dry desertlike environment. The small sensor is calibrated for air, o 2 and n 2 o gases and can also be used to monitor gas mixing. An arduino library for the sensirion sht1x and sht7x family of. Refer to the datasheet for the software details and how to.
Sensirion offers comprehensive sensor solutions for the automotive market with outstanding quality, low prices, and expert support. Sht3x series thus combines multiple functions and various interfaces with a userfriendly and very wide operating voltage range of. The ekh5 evaluation kit is a very simple system to test and evaluate sensirions humidity and temperature sensors and display measured values. Sensirion temperaturehumidity sensor sht11 raspberry.
Most arduino boards are using 5v logic levels, while some sensirion parts like for example the shtc1shtw2 series operate at 1. Today i got my sht75, i already connected the sht75 to my arduino vdd to 3. These sensors are capable of measuring temperature along with relative humidity and provide. One line as sck, two lines for data one for writing, one for reading, both connected to the data line of shtxx i used the sample code for microcontroller written in c found on the website of sensirion to write the labview. I can read from the device using the sensirion software. Sensirion sht7x labview ni community national instruments. Using sensirion s proven sensor solutions, we help automotive manufacturers meet stringent emission standards in the automotive industry and reduce the vehicles energy consumption by up to 3 percent. It is not possible to provide software library demo code for all possible. Product summary sht1x including sht10, sht11 and sht15 is sensirions family of surface mountable relative humidity.