BBC2546862 Micro:bit go A 5x5 LED matrix with 25 red LEDs to light up and can display animated patterns, scrolling text and alphanumeric characters On-board motion detector or 3-AXIS digital accelerometer that can detect movement e.g. shake, tilt or free-fall and use it to control motion activated games Two programmable buttons. Use them as a games controller, or control music on a smart phone A built-in compass, 3D magnetometer to sense which direction you're facing and your movement in degrees and detect the presence of certain metals and magnets