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The Micro:bit icon in the extension menu

The micro:bit will be a Scratch Extension in Scratch 3.0, based off of the tiny computer designed by the BBC for use in schools. It is a small circuit board with lights, buttons, and tilt/movement sensors.


The micro:bit extension has 12 blocks, 6 hat, 4 stack, 1 boolean and 1 reporter.[1] They are pictured below:

Block image


The micro:bit has the following features:

  • Tilt/Movement Sensor: Changes the tilt values and triggers jumped and shaken events.
  • 5x5 Display: A 5x5 grid of lights that can show text and small images.
Selecting an image for the micro:bit display
  • Buttons: Can be pressed to trigger the button pressed hat.
  • Pins: Three pins let you connect other things.


The blocks can be previewed online here.

Buying a micro:bit

Note Note: Ask a parent/guardian before buying a micro:bit.

See the micro:bit website



See Also