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Flashing needs the Web Serial API — use a desktop browser that supports it
(Chrome, Edge, or Firefox with Web Serial enabled).
Mobile browsers aren't supported.
Plug in your board
I'll sniff out which Nugget or Nibble you've plugged in and show only the firmware that fits.
Loading firmware library…
Flash your own firmware
.binHave a compiled .bin? Drop it here to flash it to any connected ESP board. Uses the speed setting above.
Advanced — offset & multiple parts
A full/merged image is one part at
0x0. For a multi-part ESP32 flash (like Adafruit's ESPTool): bootloader 0x1000, partitions 0x8000, app 0x10000. Each part flashes at its own offset in one pass.