Before you can use the DHT11 on the Arduino, you’ll need to install theDHTLib library. It has all the functions needed to get the humidity and temperature readings from the sensor. It’s easy to install, just download the DHTLib.zip file below and open up the Arduino IDE. Then go ...
We have another tutorial on the DHT11 for theArduinothat goes into detail on relative humidity and how the DHT11 measures it. So instead of repeating all of that here, check outHow to Set Up the DHT11 Humidity Sensor on an Arduino, then come back for the specifics on setting it up o...
dropdown menu is to filter out the topic of the library, like communication, device control, display, sensors, etc. In the search bar, you can type a search term such as a name, and you’ll get filtered results. In this example, we will be using a DHT11 sensor Arduino Library. ...
I have included 5 examples with a wiring diagram and code so you can start experimenting with your sensor. We will first look at an example that does not use an Arduino library. Next, I will show you how you can use theNewPinglibrary to create a more compact code. Cheap ultrasonic dista...
If you are interesting to make data recorder or data Logger of a sensors and to record its data in a file. here are the following links: 1-Temperature and light intensity data logging https://youtu.be/gd-a8Y5GF3A 2-DHT11 data recorder with Arduino & micro SD Card ...
Now set the port that you observer back in the control panel. Setting Port We will have to include a library to use the DHT11 sensor. The library is attached below in the download link along with the code. Go toSketch > Include Library > Add .ZIP Library. ...
Arduino has a detailed walkthrough ofhow to install librariesfor its IDE. And Adafruit hasdetails on the MQTT API. The reed switch does not require a library of its own because you will read whether voltage is present (“HIGH” or a value of 1) or not (“LOW” or a value of 0) ...
use, but requires careful timing to grab data. The only real downside of this sensor is you can only getnew datafrom it once every2 seconds, so when using the library, sensor readings can be up to 2 seconds old. To learn more about the DHT11 Sensor, you can check theDHT11 Data...