Buttons

There are two buttons on the board, called button_a and button_b.

Attributes

button_a: A Button instance (see below) representing the left button.

button_b: Represents the right button.

Classes

class Button

Represents a button.

Note

This class is not actually available to the user, it is only used by the two button instances, which are provided already initialized.

is_pressed(): Returns True if the specified button button is currently being held down, and False otherwise.

was_pressed(): Returns True or False to indicate if the button was pressed (went from up to down) since the device started or the last time this method was called. Calling this method will clear the press state so that the button must be pressed again before this method will return True again.

get_presses(): Returns the running total of button presses, and resets this total to zero before returning.

Example

import microbit

while True:
    if microbit.button_a.is_pressed() and microbit.button_b.is_pressed():
        microbit.display.scroll("AB")
        break
    elif microbit.button_a.is_pressed():
        microbit.display.scroll("A")
    elif microbit.button_b.is_pressed():
        microbit.display.scroll("B")
    microbit.sleep(100)