Install CircuitPython Firmware on Seeed Studio XIAO nRF52840 Sense

To install CircuitPython on XIAO nRF52840 Sense is straightforward. Basically follow the steps in the guide XIAO BLE with CircuitPython.

This video show how, but download firmware from CircuitPython, instead of download from Seeed Studio page.


Download Firmware

Visit CircuitPython Download page,

Search "Seeed XIAO nRF52840 Sense by SEEED" and download firmware in .UF2 form.

Enter Bootloader Mode

Make XIAO nRF52840 Sense enter Bootloader Mode by double clicking on the RESET button.

Install firmware

Once entered Bootloader Mode, drag the downloaded firmware (.uf2) to the XIAO nRF52840 Sense drive.

After installed, XIAO nRF52840 Sense will reset and CircuitPython device re-appear again as "CIRCUITPY".

Then, you can test it using Thonny Python IDE.


more of CircuitPython on XIAO nRF52840 Sense:
~ Erase and re-create the CIRCUITPY filesystem by calling storage.erase_filesystem().
~ Scan I2C devices address.
~ XIAO nRF52840 Sense/CircuitPython examples for SSD1306 I2C OLED



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