main.py

from time import sleep
from time import sleep_ms

from microbit import pin1, display, Image
from speech import say

SPEED = 95

while True:
    # We set the blink_count to 0 and increment
    # 2 times to allow this while loop to execute
    # twice
    blink_count = 0
    while blink_count < 2:
        pin1.write_digital(1)
        display.show(Image.SURPRISED)
        say('The light is on!', speed=SPEED)  
        display.show(Image.HAPPY)
        sleep(5)
        
        pin1.write_digital(0)
        display.show(Image.SURPRISED)
        say('The light is off!', speed=SPEED)
        display.show(Image.HAPPY)
        sleep(5)
        
        blink_count += 1
        
    # We set the breath_count to 0 and increment
    # 2 times to allow this while loop to execute
    # twice
    breath_count = 0    
    val = 0
    while breath_count < 2:
        display.show(Image.SURPRISED)
        say('The light is getting brighter!', speed=SPEED)
        display.show(Image.HAPPY)
        
        # The val is initialized to 0 on line 6 and 
        # increments by one through each iteration
        # through the while loop until it hits 
        # 1022 and as it does it increments the value
        # of pin1 which makes the light brigter
        # every 5 ms
        while val <= 1022:
            val += 1
            pin1.write_analog(val)
            sleep_ms(5)
            
        display.show(Image.SURPRISED)
        say('The light is getting darker!', speed=SPEED)
        display.show(Image.HAPPY)    
        
        # After we complete the first loop the val
        # is now equal to 1023 so during this
        # while loop it gets smaller until it hits 
        # 0 and as it decrements the value
        # of pin1 which makes the light darker
        # every 5 ms
        while val > 0:
            val -= 1
            pin1.write_analog(val)
            sleep_ms(5)  
            
        breath_count += 1