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Geo edited this page Dec 28, 2025 · 24 revisions

LittleFS (Filesystem)

LittleFS is a lightweight filesystem available on the ESP32 Bus Pirate, useful for uploading/downloading small files directly in the flash memory.

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WebUI

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The firmware provides a web interface accessible from your browser:

  • Press Files button just next to Send
  • See all stored files with their sizes
  • Upload files directly into the panel
  • Download files
  • Delete files

Limitations

  • ⚠️ Maximum space available: about 4.5 MB with a 8MB flash board.

Demo

littlefs

With LittleFS, your can import/export data from the ESP32 Bus Pirate.

⚠️ Voltage Warning: Devices should only operate at 3.3V or 5V.
Do not connect peripherals using other voltage levels — doing so may damage your ESP32.

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