2023-07-04 15:08:23 +01:00
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### Via dfu-util
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This board can programmed via DFU bootloader, using e.g. [dfu-util](http://dfu-util.sourceforge.net/).
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To enter the DFU bootloader, double tap the reset (blue) button, or you can use `machine.bootloader()` from the MicroPython REPL.
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```bash
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2023-08-31 12:16:17 +01:00
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dfu-util -d 0x2341:0x0070 -R -D build-ARDUINO_NANO_ESP32/micropython.app-bin
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2023-07-04 15:08:23 +01:00
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```
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2023-08-31 12:16:17 +01:00
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Please note that the DFU bootloader comes factory flashed. Should you for any reason erase the
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entire flash, the DFU bootloader will have to be re-installed. Please follow the instructions
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[here](https://support.arduino.cc/hc/en-us/articles/9810414060188-Reset-the-Arduino-bootloader-on-the-Nano-ESP32)
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to do so.
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