How to Change Arduino IDE Board Lib Path
In the Arduino IDE 2.x, board packages (cores/platforms installed via Boards Manager, like esp8266, esp32, AVR, etc.) are stored in the data folder, which defaults to: C:\Users\<YourUsername>\AppData\Local\Arduino15 C:\Users\<YourUsername>\AppData\Local\Arduino15\packages You can change it by editing a configuration file used by arduino-cli (the backend tool for Boards Manager in IDE 2.x). Step-by-Step: Move the Board Packages / Data Folder (Arduino IDE 2.x on Windows) Close Arduino IDE completely. Locate and edit the arduino-cli.yaml file: ...