A classroom aid to the eternal problem of which hand went up first
Flash teacher.py
to one microbit and pupil.py
to each student's microbit.
When the teacher asks for "hands up", students press a button on their microbit. The order in which the pressed is stored on the teacher's microbit. The teacher presses a button to end the event. Each further press of a button by the teacher will display a happy face on the pupil's microbit's in the order they were pressed.