Go to the directory where you have downloaded the. If you’re using Arduino IDE 2, you may need to restart it for the library to be available.
You will be prompted to select the library you want to add. In the menu bar, go to Sketch > Include Library > Add. The Library Manager looks slightly different depending on what version of the IDE you are using. The latest version is selected by default. When you’ve found a library you want to install, click Install. You can review the description and author. This will usually take you to a reference page or repository for the libraryįind a library you want to install. To find more information about the library, click More info. The results are listed alphabetically, so you may need to scroll down the list. IDE 1.x also has options to filter by Type and Topic.įind the library in the search results. In IDE 2, you can also click on the button in the sidebar.įilter the available libraries by typing something (such as a library name) in the text field above the listed libraries.In the menu bar, select Tools > Manage Libraries….Learn how to add libraries to Arduino IDE. This makes the linker happy and allows your program to build.Libraries are a collection of code that provide extra functionality for use in sketches, for example when working with hardware or manipulating data.
the program file that contains your start and loop functions). The magic thing to know is that if any of your libraries use Wire.h or SPI.h you must Include them in the main source file (i.e. It’s one of those horrible situations where you have to know the “magic” trick to make it work. I’ve had this before, it is very frustrating. The compiler kept complaining about the Wire.h and SPI.h libraries not being available.
I’d added the AdaFruit libraries and at that point my program broke. I’ve been creating a “Connected Little Boxes” driver for the BME280 environmental sensor (a personal favourite of mine). I hardly ever use them personally, I rely on people much cleverer than me to create libraries that I can use to talk to the hardware I want to use. They’re used by programs to communicate with devices over the I2C and SPI busses. The Wire.h and SPI.h Arduino libraries are kind of important.
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