The arduino program converts the temperature into fahrenheit, kelvin and rankine, and sends via serial port. Arduino dht11 wifi humidity and temperature arduino club. Test ky015 temperature and humidity sensor module fritzing. Hi, hello electronics lovers welcome to this tutorial, in this tutorial i will show you how to interface dht11 a very popular temperature and humidity sensor with arduino. These sensors are precalibrated and dont require extra components so you can start measuring relative humidity and temperature right away. The dht11 and dht22 temperature humidity sensor can improve to the aligned status bit by bit when it returns to the typical working condition and works inside its range. Well explain how it works, show some of its features and share an arduino project example that you can modify to use in your own projects. Jan 15, 2018 here i am providing complete information about how to setup the dht11 humidity sensor on an arduino board. Dht11 sensors temperature and humidity and i2c lcd arduino. The dht 11 is a digitaloutput relative humidity and temperature sensor. The dht 11 digital temperature and humidity sensor is a basic, ultra lowcost digital temperature and humidity sensor. How to interface dht 11 temperature and humidity sensor with. The sensor comes with a dedicated ntc to measure temperature and an 8bit microcontroller to output the values of temperature and.
Dht11 temperaturehumidity sensor arduino project hub. This sensor can be easily interfaced with any microcontroller such as arduino, raspberry pi etc to measure humidity and. Its accurate enough for most projects that need to keep track of humidity and temperature readings. Arduino humidity sensor using the dht22 pi my life up. The digital signal is fairly easy to read using any microcontroller.
This project is really simple and shouldnt take us very long. Dht11 digital temperature and humidity sensor module for. How to use the dht11 temperature and humidity sensor with an arduino. Its fairly simple to use, but requires careful timing to grab data. In these tutorials, we will measure temperature and humidity by using dht11 with arduino. Nov 04, 2016 this module consist of a dht11 digital humidity and temperature sensor and a 1 k. The dht11 is a precision temperature sensor module, provide calibrated temperature and humidity which is connected to digital io pin of arduino. Nov 17, 2019 if you dont need humidity, then you can also consider using the ds18b20 temperature sensor with the arduino. Ky015 temperature and humidity sensor module zip file.
Again we will be using a library specifically designed for these sensors. Temperature and humidity dht11 and arduino ardumotive. Dht11 humidity and temperature sensor on arduino with lcd. The following picture show how to connect a dht11 or dht22 temperature and humidity sensor to your arduino and nodemcu.
Dht11 can be interfaced with an 8bit microcontroller like arduino, raspberry pi, etc. You can check maker advisor tools page and find the best price for these modules. 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. How to measure temperature and humidity with the dht11 and an arduino. For this, you need to include the dht11 library in your arduino code. The dht11 is a commonly used temperature and humidity sensor. Dht11 temperature and humidity sensor circuits diy. Dht11 digital relative humidity and temperature sensor module.
This tutorial will show you how to use dht11 with arduino. Arduino temperature and humidity sensor module ky015. Ours is a reputed firm, prominently engaged in supplying and trading humidity and temperature sensor in varied specifications at most competitive prices. 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. Oct 01, 2017 arduino temperature and humidity sensor module ky015 this module consist of a dht11 digital humidity and temperature sensor and a 1 k. Once you have the library, just go ahead and extract it to the library folder inside your arduino ide software folder. Dht11 is a lowcost digital sensor for sensing temperature and humidity. The dht11 uses an internal thermistor and a capacitive humidity sensor to determine. The dht11 is a basic, ultra lowcost digital temperature and humidity sensor.
The dht11 temperature and humidity sensor features a calibrated digital signal output with the temperature and humidity sensor complex. Temperature with humidity dht module tutorial maxphi lab. Dht11dht22 temperature and humidity sensor using arduino ide. Were going to use the i2c lcd to display the temperature and humidity that the dht11 has captured, i used an arduino uno 5v pin to support the dht11 and the i2c display. Noctronique dht11 digital temperature humidity sensor module. The dht11 sensor is a temperature and humidity sensor with output of data in digital format. Jan 07, 2018 i will reply to all subscribers questions. How to use the dht11 temperature humidity sensor with arduino. The second category are the dht sensors which provide the temperature and humidity via digital input for the arduino and esp8266 board. Lets read some temperature and humidity with the help of this dht11 module and an arduino uno. The sensor is also factory calibrated and hence easy to interface with other microcontrollers. Interfacing of dht11 temperature and humidity sensor with. After copying the files, the arduino library folder should have a new folder named dht containing the dht. One picture for the version with the up resistor and one version without the pullup resistor on the pcb, where you have to add the resistor yourself.
Dht11dht22 sensor with arduino random nerd tutorials. Take readings from the dht11 temperaturehumidity sensor and see them from the arduino ide serial monitor. How to use the dht11 temperature humidity sensor with. Temperature and humidity sensor dht22 raspberry pi interfacing. This video shows you how to use dht11 temperature and humidity sensor. In this tutorial you will learn how to use this sensor with arduino uno. There is also a very basic chip inside that does some analog to digital conversion and spits out a digital signal with the temperature and humidity. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the. Complete guide for dht11dht22 humidity and temperature sensor with arduino this article is a guide for the popular dht11 and dht22 temperature and humidity sensors with the arduino. How to use dht11 temperature and humidity sensor youtube. The dht11 uses an internal thermistor and a capacitive humidity sensor to determine environment conditions, an internal chip is responsible for converting readings to a serial digital signal. Below you can find dht11 arduino code and dht11 library. The diagram is correct for most three pin dht11 modules. It is also a digital sensor and has onewire support, unlike the dht sensors.
This sensor is precalibrated and dont require extra components so you can start measuring relative humidity and temperature right away. Esp826601 wifi module if you need update your esp8266 firmware please check we esp8266 firmware update page. These are very popular among makers and electronics hobbyists. The web server youll build can be accessed with any device that has a browser on your local network. In this arduino tutorial we will learn how to use the dht11 or the dht22 sensor for measuring temperature and humidity with the arduino board.
The sensor module is including resistive humidity sensing component and ntc temperature testing. The sensor uses a digital technique which combined with the exclusive moisture sensing technology, ensures the reliability and stability. Dht11 humidity and temperature sensor is available as a sensor and as a module. After that copy the following code in the arduino ide and upload the code. Temperature controlled fan or room cooler using arduino in this project, you will learn how to make your own fan, room cooler, ceiling fan or exhaust fan automatic temperature. Dht11 is a humidity and temperature sensor, which generates calibrated digital output. Arduino temperature and humidity sensor module ky015 this module consist of a dht11 digital humidity and temperature sensor and a 1 k.
We will design a device that will be capable of measuring room temperature and environmental. Dht11temperature and humidity sensor components101. Here we also display those readings on an lcd display. In this project, we will use the ky015 arduino dht11 temperaturehumidity. A resistive type humidity sensor, an ntc negative temperature coefficient thermistor, and an 8bit microcontroller which converts the analog signals from both the sensors and send out a single digital signal. This dht11 temperature and humidity sensor features a calibrated digital signal output with the temperature and humidity sensor complex. Digital temperature humidity sensor module sht11 sht15 arduino. This is dht11 sensor adopts module can detect surrounding environment of the humidity and temperature. How to set up the dht11 humidity sensor on an arduino. The ky015 temperature and humidity sensor module is part of the series 37 in 1 board sensor module kit set for arduino, looks like a small circuit, are mounted on it, the dht11 sensor, two resistors, a led and a 3pin connector. Connect temperature and humidity dht11dht21dht22 sensor module to arduino, and program it quick and easy.
It uses a capacitive humidity sensor and a thermistor to measure. Unlike lm35 this is a digital sensor which has only a single pin output and easily displayed humidity and temperature. Dht11 dht22 temperature and humidity sensor electrical. Want to be notified of new releases in adafruitdhtsensorlibrary.
Ky015 temperature and humidity sensor module description ky015 arduino temperature and humidity sensor module, provides a digital serial interface to measure humidity and temperature. You can do this by reading the temperature property which returns temperature in degrees celsius. Temperature controlled fan or room cooler using arduino. In this tutorial we will learn how to use a dht dht11 version temperature and humidity sensor. Noctronique dht11 digital temperature humidity sensor module for arduino. Esp32 with dht11dht22 temperature and humidity sensor. Use temperature and humidity dht11dht21dht22 sensor module. Make sure this fits by entering your model number the module includes dht11 temperature and humidity sensor on the daughterboard with output of data in digital format.
It has all the functions needed to get the humidity and temperature readings from the sensor. The compatible digital temperature humidity sensor module is component and connected with 8byte mcu. Dht11 temperature and humidity sensor module uno okystar. Arduino with grove dht11 sensor and 1602 lcd simple projects.
Contribute to jimaobiandfrobotwiki development by creating an account on github. Jun 09, 2019 home arduino electronics circuit arduino temperature and humidity sensor code circuit diagram etc. Dec 28, 2019 this post shows how to interface arduino uno board with dht11 rht01 digital humidity and temperature sensor. We use esp826601 wifi module for wireless comminication. The dht22 sensor is used to measure the temperature and humidity. In this project youll create a standalone web server with an esp8266 that displays the temperature and humidity with a dht11 or dht22 sensor using the arduino ide. There is a number of applications like hvac, dehumidifier, weather stations, data loggers and indoor agriculture industry. The code will show you the temperature in celsius, fahrenheit and kelvin download the code and library. I made a quick start guide for this tutorial that you can download and go back to later if you cant set this up right now.
Arduino temperature and humidity sensor code circuit. Esp8266 dht11dht22 web server arduino ide random nerd. Dht11 dht22 am2302b am2301 am2320 digital temperature and humidity sen. Couple the esp8266 with one of the inexpensive dht series digital temperature and humidity sensors and we have a project that may literally be deployed anywhere to broadcast sensor data. Velleman dht11 digital temperature humidity micro center. The dht11 provides the temperature in celsius format. This module consist of a dht11 digital humidity and temperature sensor and a 1 k. It can be used as humidity sensor as well as the temperature sensor. Dht11 sensor module interfacing with arduino with code.
It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin. Its technology ensures the high reliability and excellent longterm stability. Dht11 can be interface with any microcontroller like arduino, raspberry pi, etc. How to use dht22 temperature and humidity sensor with arduino. In this video you will learn how to use dht22 temperature and humidity sensor with arduino code. A very easy genuino uno project with lcd and dht11 temp. The sensor comes with a dedicated ntc to measure temperature and an 8bit microcontroller to output the values of temperature and humidity as serial data. You can watch dht11 data humidity and temperature over internetnetwork with android app. The dht11 temperature and humidity sensor consist of 3 main components.
Thats not impossible but if one sensor fails it is a major task to find the new identity and write it into the code not possible if you dont know code and havent an ide. In this project, we will use the ky015 arduino dht11 temperaturehumidity sensor and display it to the arduino ide serial monitor. Nov 22, 2017 hi, hello electronics lovers welcome to this tutorial, in this tutorial i will show you how to interface dht11 a very popular temperature and humidity sensor with arduino. This post shows how to interface arduino uno board with dht11 rht01 digital humidity and temperature sensor. Arduino with dht11 sensor and st7789 tft display simple. If nothing happens, download github desktop and try again. Today, through this post, i will tell you how to build the temperature sensor project or weather station with the help. Its technology ensures the high reliability and excellent. At this point youre all set and ready to start reading the temperature and humidity. Its sensitive elements are connected with an 8bit singlechip processor. Lets get to it and build this arduino humidity sensor circuit and bring it to life with some easy to follow code. The values of temperature in c and humidity in % are printed on grove lcd 1602 i2c lcd and arduino ide serial monitor. A resistive type humidity sensor, an ntc negative temperature coefficient thermistor to measure the.
Dht11 temperature and humidity sensor with raspberry pi. Temperature and humidity sensor tutorial for arduino and. How to setup dht11 sensor with arduino electronics projects hub. Temperature and humidity lcd dht11 arduino project hub. Before you can use the dht11 on the arduino, youll need to install the dhtlib library. The dht sensors are made of two parts, a capacitive humidity sensor and a thermistor. Jun 21, 2017 dht11 is a humidity and temperature sensor, which generates calibrated digital output. This is useful module is fast response, great antiinterference ability and durable. This sensor can be easily interfaced with any microcontroller such as arduino, raspberry pi etc to measure humidity and temperature instantaneously. Nov 04, 2016 ky0 specifications the ky0 analog temperature sensor module. Abstractthe dht11 is a precision temperature sensor module, provide calibrated temperature and humidity which is connected to digital io pin of arduino. Ky0 analog temperature sensor module description analog temperature sensor module ky0 for. Dht11 is a low cost humidity and temperature sensor which provides high reliability and long term stability. The dht11 and dht22 sensors are used to measure temperature and relative humidity.