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Arduino ESP32 erase flash

Arduino plugin to ESP32 erase flash memory.


  • Make sure you use one of the supported versions of Arduino IDE and have ESP32 core installed.
  • Download the tool archive from releases page.
  • In your Arduino sketchbook directory, create tools directory if it doesn't exist yet.
  • Unpack the tool into tools directory (the path will look like <home_dir>/Arduino/tools/ESP32Erase/tool/esp32erase.jar).
  • Restart Arduino IDE.

On the OS X create the tools directory in ~/Documents/Arduino/ and unpack the files there


  • Open a sketch (or create a new one and save it).

  • Make sure you have selected a board, port, and closed Serial Monitor.

  • Select Tools > ESP32 Erase Flash menu item. This should start erasing ESP32 flash file system.

    When done, IDE status bar will display Erase Flash failed message.

Credits and license

  • Licensed under GPL v2 (text)
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