What is the micro:bit?
The BBC micro:bit is a small programmable computer that makes learning programming fun, practical, and interactive.
With ubbu, you can connect your micro:bit and see your code come to life. You can create games, sensors, and projects that combine the digital and physical worlds.
What you will need?
A BBC micro:bit
A USB cable
A computer or tablet with Bluetooth
A modern web browser (Google Chrome, Edge, etc.)
First steps
Update the micro:bit firmware
Before you start, make sure your micro:bit has the latest firmware.
Follow this official guide:
🔗 microbit.org/get-started/user-guide/firmware
Install the ubbu firmware
The micro:bit uses a special .hex file to communicate directly with the ubbu programming environment (ubbox).
Connect your micro:bit to your computer via USB.
Download the file below and drag it to the micro:bit drive (which appears as a USB stick).
🔽 Download microbit-ubbu-bluetooth.hex
Wait a few seconds – the micro:bit LEDs should display “UBBU,” confirming the process was successful.
Connect the micro:bit to ubbu
Once the firmware is installed, you can pair your micro:bit with the ubbu programming environment.
Open ubbox (ubbu programming environment).
Click Connect micro:bit.
Your browser will show a list of available Bluetooth devices.
Select your micro:bit from the list.
Once connected, you will see a ✅ on the micro:bit, and you are ready to start.
Can’t connect your micro:bit?
If your micro:bit does not appear in the Bluetooth device list:
Restart your browser or computer.
Check that the micro:bit is powered (via USB or batteries).
Ensure only one computer is connected to the micro:bit at a time.
Now it’s your turn to create!
With micro:bit integration, your code is no longer just on the screen — you can see, touch, and experience your creations. Let your creativity guide you: combine programming with imagination to bring unique and fun projects to life.