The dht11 temperature and humidity sensor senses, measures and regularly reports the relative humidity in the air. Its accurate enough for most projects that need to keep track of humidity and temperature readings. Dht11 humidity and temperature sensor with arduino youtube. Extract zip file to arduino homelibrariesdht11 if not exist, create excute arduino. 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. Luckily, it is trivial to connect dht11, dht22 sensors to arduino. Interfacing nrf24l01 with arduino unowireless communication. Dht11 temperaturehumidity sensor arduino project hub create. I published this one since there a lots of various versions of the dht11 library for arduino floating around but most of them do not work with the current version of arduino ide. This project is really simple and shouldnt take us very long. If nothing happens, download github desktop and try again. In these tutorials, we will measure temperature and humidity by using dht11 with arduino. How to use the dht11 with arduino code, circuit diagram.
You can find the dht11 sensor of 2 types in the market. Below you can find dht11 arduino code and dht11 library. Power the sensor with 5v and connect ground to ground. For this, you need to include the dht11 library in your arduino code. Lalimentazione proviene da cavi separati da 5 v e da terra. Dht11 humidity and temperature sensor with arduino. How to use the dht11 temperature and humidity sensor with an arduino. After installing the dht library from adafruit, type adafruit unified sensor in the search box. Dht11dht22 temperature and humidity sensor using arduino ide. After that copy the following code in the arduino ide and upload the code.
The 3rd library is for the dht11 sensor, it may be installed using library manager in the search box write dht and choose the one from adafruit. Please download the dht library from the below link. Here we also display those readings on an lcd display. In this tutorial you will learn how to use this sensor with arduino uno. Open the web browser and search for arduino library proteus. After updating the dht11 library simply upload the following code from below using arduino ide to arduino uno board.
An arduino library for the dht series of lowcost temperature humidity sensors. Open the ide and click to the sketch menu and then include library manage libraries. It can be used in home appliances, weather stations, medical humidity control, data loggers, hvac and at several different places. Downloads dht11, dht22 and am2302 sensors adafruit.
An arduino library for the dht series of lowcost temperaturehumidity sensors. The wiring diagramsschematics below shows you how to connect 3 or 4 pin temperature and humidity sensors to the arduino uno. To install a new library into your arduino ide you can use the library manager available from ide version 1. I first searched for dht11 sensor library for proteus and got a lot of arduino answers. The following picture show how to connect a dht11 or dht22 temperature and humidity sensor to your arduino and nodemcu. The second library is adafruit graphics library which can be installed also from arduino ide library manager. Voltage, ground and signal which can be connected to any analog pin on our uno. This version of the library is used in this tutorial. Dht22 humidity sensor can be used in place of dht11 for more accuracy and higher resolution. Dht11 temperature and humidity sensor with arduino. It can be used as humidity sensor as well as the temperature sensor. Search for dht on the search box and install the dht library from adafruit. I am trying to read the humidity and temperature using a dht11 temperature sensor for an arduino uno using the dht.
Temperature and humidity sensor tutorial for arduino and. The dht 11 is a digitaloutput relative humidity and temperature sensor. Here we need two circuit assembly to make a wireless communication between two arduino boards using the nrf24l01 transceiver module, i. In your arduino ide, go to file examples dht sensor library dhttester. Want to be notified of new releases in adidaxdht11. How to use the dht11 temperature humidity sensor with arduino. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin. You can connect from mcu to dht11 directly because this.
In this project, we will use the ky015 arduino dht11 temperaturehumidity sensor and display it to the arduino ide serial monitor. How to set up the dht11 humidity sensor on an arduino. Cpp files, but dont know how to ulpoad it into the arduino library. Esp8266 dht11dht22 web server arduino ide random nerd.
Spi library is used for spi communication between nrf24l01 and arduino, and the dht11 library is used to calculate the temperature and humidity values. How to interface humidity and temperature dht11 sensor to. Dht11 temperaturehumidity sensor arduino project hub. Dht11 datasheet in chinese, so see the dht22 datasheet too. How to setup dht11 sensor with arduino electronics. Dht11dht22 sensor with arduino random nerd tutorials. As what was done in the previous topic, the measured temperature and humidity values are displayed on 1602 lcd screen. Again we will be using a library specifically designed for these sensors. Check the complete program for nrf24l01 arduino uno transmitter and receiver have given at the end of this document.
How to use the dht11 temperature humidity sensor with. Ever wanted to know the temperature and humidity around you. To complete this tutorial, you need the following components. Where can i download the dht11 sensor library for proteus. You can use dht11 with 3 pins, dht11 with 4 pins or dht22. If nothing happens, download the github extension for visual studio and try again. Arduino with dht11 sensor and st7789 tft display simple. This page downloads was last updated on oct 28, 2019. Close the arduino ide and open it again then you will find the library included. Install dht11 dht22 library for arduino and solve the. Dht11dht22 sensors with arduino tutorial 2 examples. This is a very nice little, low cost sensor which requires only a pull up resistor to vdd. Arduino uno any uno will work, i have a geekcreit uno. Install dht11 dht22 library for arduino and solve the problem to upload a code in arduino nick sbilliris.
Open your arduino ide and go to sketch include library manage libraries. Wiring connecting dht11 and dht22am2302 to arduino uno. After the interfacing of the arduino with dht11 rht01 sensor, lets see how to connect the arduino with dht22 am2302 rht03 digital humidity and temperature sensor. Dht11 sensors temperature and humidity and i2c lcd arduino. After copying the files, the arduino library folder should have a new folder named dht containing the dht. In this tutorial i am using arduino uno as a microcontroller. Take readings from the dht11 temperaturehumidity sensor and see them from the arduino ide serial monitor. 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. Dht11 arduino interfacing the engineering projects.
Dht11 sensor module interfacing with arduino with code. Then the library manager will open and you will find a list of libraries that are already installed or ready for installation. How to interface humidity and temperature dht11 sensor. The first circuit diagram shown below is a transmitter end section. Arduino board here ill use unolcd i2c screen breadboard and jump wiresand here to download the dht library its very simple download dht libraryhow to use lcd i2c lcd i2c tutorial wiring. Dht11 sensor example in this example we will show a basic example of connecting a dht11 temperature and humidity sensor to your arduino. Sensor dht11 medir temperatura y humedad relativa arduino. A list of the 2880 libraries registered in the arduino library manager. In this section, well build a simple project with the arduino that reads temperature and humidity and displays the results on the serial monitor.