There is a compass on the BBC micro:bit. If you ever make a weather station use the device to work out the wind direction.
It can also tell you the direction of North like this:
from microbit import * compass.calibrate() while True: needle = ((15 - compass.heading()) // 30) % 12 display.show(Image.ALL_CLOCKS[needle])
You must calibrate the compass before taking readings. Failure to do so
will produce garbage results. The
calibration method runs a fun little
game to help the device work out where it is in relation to the Earth’s
To calibrate the compass, tilt the micro:bit around until a circle of pixels is drawn on the outside edges of the display.
The program takes the
compass.heading and, using some simple yet
cunning maths, floor division
// and modulo
%, works out the number of the clock hand to use to display on the screen
so that it is pointing roughly North.