Sometimes there are components that we interface with Arduino that require a special set of codes that we need to install in our IDE to run the program. Library Manager is used for installing these libraries. They contain the information for header files that we include in our code. Usually, IDE comes with a set of pre-installed libraries although they were not enough. To install these libraries follow the steps below.
Step 1: Open Arduino IDE
Step 2: Go to Tools
Step 3: Click on Manage Libraries
Step 4: This is the Library Manager, from where libraries could be installed
Step 5: To install DHT 22 Library select the library click on Install. Before installing you can even select the version of the library before installing
Here are some libraries that we will use in our future projects...
Adafruit PCD8544 library is used for Nokia 5110 LCD Display
Adafruit SSD1306 library is used for OLED Display
Adafruit GFX Library is used for Adafruit display.
LiquidCrystal I2C Library is used for IIC based LCD Module
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