What is micro:bit?

The micro:bit is a small, versatile computer, or the 'brain' behind the Climate Action Kit

The micro:bit is the brain of all the robotic projects created with the Climate Action Kit. At least one micro:bit is required per kit. Climate Action Kits can be purchased with or without micro:bits.

Note: A micro:bit 2.0 is required for use with the Climate Action Kit

Additional introduction from BBC micro:bit: