multiscroller.py

# See https://www.youtube.com/watch?v=L8egrL-WC-0
import microbit

def pick_speed(speed):
    while not microbit.button_b.is_pressed():
        microbit.display.show(str(speed))
        if microbit.button_a.is_pressed():
            speed -= 1
            if speed < 1: speed = 9
            microbit.sleep(200)
    return speed
    
t = "Welcome to the multi micro:bit demo"
print("Start")
delay = pick_speed(0)

microbit.display.show(microbit.Image.ANGRY)
x = microbit.accelerometer.get_x()
print(x)
while x < 500 and x > -500:
    x = microbit.accelerometer.get_x()

print(x)
microbit.display.clear()
microbit.sleep(delay*700)

while True:
  microbit.display.scroll(t)