Micro:Bit WebUSB Update

ONLY COMPATIBLE WITH 1ST GENERATION MICRO:BITS

The ones WITHOUT a speaker and microphone.



Download Micro:Bit DAPLink Update

This is the factory DAPLink image for applying to the maintenance mode on BBC Micro:Bit.

This allows for WebUSB connectivity for direct access to USB devices through a web browser.


Supported Browsers

Edge, Chrome, Opera, any other Chromium project based browsers.


Installation Instructions

1. Hold reset button and plug device into computer

2. Check in File Explorer that the device shows up as "MAINTENANCE"

3. Drag the downloaded HEX file (0249_kl26z_microbit_0x8000.hex) to the "MAINTENANCE" drive.

4. The Micro:Bit will now restart back into "MICROBIT" drive mode.

5. Now test the update in the MakeCode environment and ensure WebUSB is working.


If the update fails, try on a different USB port, or computer, or if a battery is connected, disconnect it.