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How to Install ESP8266 Library in Arduino IDE

Updated: May 4

Are you looking for a way to run Arduino code on ESP8266? In this Instructable, we will guide you through the process of installing the Arduino IDE software for ESP8266. By the end of this tutorial, you will be able to upload and run your Arduino code on ESP8266.


NodeMCU - ESP8266 Board
NodeMCU - ESP8266 Board

Step 1: Installing Arduino IDE Software


First, you need to install the Arduino IDE software from the official website. You can download the software from http://www.arduino.cc/en/main/software.


Step 2: Arduino IDE Icon


After installing the Arduino IDE software, an icon will be created on your desktop, as shown in the figure.

Arduino IDE
Arduino IDE

Step 3: Opening Arduino IDE


Click on the Arduino IDE icon to open the Arduino window, as shown in the figure.

Open the Arduino IDE
Open the Arduino IDE

Step 4: Preferences


Open the File and click on the Preferences option, as shown in the figure.

Select File->Preferences in Arduino IDE
Select File->Preferences in Arduino IDE

Step 5: Adding ESP8266 Board Manager


To add the ESP8266 board manager, enter the following URL in the Additional Boards Manager: http://arduino.esp8266.com/stable/package_esp8266com_index.json. Click OK to confirm.

Add ESP8266 Board Manager URL
Add ESP8266 Board Manager URL

Step 6: ESP8266 Board Package(Install ESP8266 library in Arduino IDE)


Scroll down the Boards Manager window to the bottom until you see the module with the name ESP8266. Select the module, choose the version, and click on the Install button. Once it is installed, it will show "Installed" in the module, as shown in the figure. Then close the window and you have installed the ESP8266 library in Arduino IDE.

Install ESP8266 library in Arduino IDE
Install ESP8266 library in Arduino IDE

Step 7: Selecting ESP8266 Board


To run the ESP8266 with Arduino, select the Board: “Arduino/Genuino Uno” and then change it to NodeMCU 1.0 (ESP-12E Module) or any other ESP8266 modules that you have. You can do this by scrolling down, as shown in the figure.

Select NodeMCU board
Select NodeMCU board

Step 8: Connecting ESP8266 to the PC


Connect the ESP8266 module to your computer through a USB cable, as shown in the figure. When the module is connected to the USB, the COM port is detected. For example, COM5 is shown in the figure.

Connect NodeMCU with Laptop
Connect NodeMCU with Laptop

Step 9: Selecting COM Port


Click on tools to select the port: “COM” based on which ESP8266 module is connected to your respective COM port of the computer. To select the COM port, refer to the previous steps.

Choosing COM Port in Arduino IDE
Choosing COM Port in Arduino IDE


Step 10: Uploading the Program to ESP8266 Module


You can now upload your program to the ESP8266 module.


Uploading code to  Arduino IDE
Uploading code to Arduino IDE

Your program should work and you can start experimenting plus creating DIY projects with ESP8266 but in case you are still facing issues then you may refer to the below steps:


Step 11: Adding Libraries


If you need to add libraries to the Arduino, follow the example path shown in the figure: C:\Users\LearnElectronicsIndia\Documents\Arduino\libraries. Enter into the libraries folder, then paste the file in that folder.

ESP8266 Library
ESP8266 Library

Step 12: More References


For more information, visit the following links: https://github.com/esp8266/Arduino


Want to learn more about ESP8266 & create amazing DIY Projects then check out these links:


Want to learn about Arduino and create Arduino projects then check out these links:



Want us to help you with the projects, write your inquiry here - Order Projects Check out our Free Arduino Projects Playlist - Arduino Projects Check out our Free Raspberry Pi Projects Playlist - Raspberry Pi Projects Check out our Free TinkerCAD Projects Playlist - TinkerCAD Projects Check out our Free IoT Projects Playlist - IoT Projects Check out our Free Home Automation Projects Playlist - Home Automation Projects Check out our Free NodeMCu Projects Playlist - NodeMCu Projects

Want us to help you with the projects, write your inquiry here - Order Projects


Check out our Free Arduino Projects Playlist - Arduino Projects

Check out our Free Raspberry Pi Projects Playlist - Raspberry Pi Projects

Check out our Free TinkerCAD Projects Playlist - TinkerCAD Projects

Check out our Free IoT Projects Playlist - IoT Projects

Check out our Free Home Automation Projects Playlist - Home Automation Projects

Check out our Free NodeMCu Projects Playlist - NodeMCu Projects





1,408 views2 comments

2 Comments


LearnElectronics India simplifies complex concepts beautifully. Thank you!

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Anushka Gupta
Anushka Gupta
Jul 17, 2023

This blog/article was incredibly helpful! The step-by-step instructions provided by Learn Electronics India made it so easy for me to install the ESP8266 library in Arduino IDE. Thank you for simplifying such a crucial process.

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