from time import sleep
from picozero import Speaker, LED
from machine import Timer

led = LED(25)

timer = Timer()

def led_blink( timer ):
    led.toggle()

timer.init( freq=1, mode=Timer.PERIODIC, callback=led_blink )

speaker = Speaker(4) 

BEAT = 0.4

melodies = [ ['d5', BEAT / 2], ['d#5', BEAT / 2], ['f5', BEAT], ['d6', BEAT], ['a#5', BEAT], ['d5', BEAT],
              ['f5', BEAT], ['d#5', BEAT], ['d#5', BEAT], ['c5', BEAT / 2],['d5', BEAT / 2], ['d#5', BEAT],
              ['c6', BEAT], ['a5', BEAT], ['d5', BEAT], ['g5', BEAT], ['f5', BEAT], ['f5', BEAT], ['d5', BEAT / 2],
              ['d#5', BEAT / 2], ['f5', BEAT], ['g5', BEAT], ['a5', BEAT], ['a#5', BEAT], ['a5', BEAT], ['g5', BEAT],
              ['g5', BEAT], ['', BEAT / 2], ['a#5', BEAT / 2], ['c6', BEAT / 2], ['d6', BEAT / 2], ['c6', BEAT / 2],
              ['a#5', BEAT / 2], ['a5', BEAT / 2], ['g5', BEAT / 2], ['a5', BEAT / 2], ['a#5', BEAT / 2], ['c6', BEAT],
              ['f5', BEAT], ['f5', BEAT], ['f5', BEAT / 2], ['d#5', BEAT / 2], ['d5', BEAT], ['f5', BEAT], ['d6', BEAT],
              ['d6', BEAT / 2], ['c6', BEAT / 2], ['b5', BEAT], ['g5', BEAT], ['g5', BEAT], ['c6', BEAT / 2],
              ['a#5', BEAT / 2], ['a5', BEAT], ['f5', BEAT], ['d6', BEAT], ['a5', BEAT], ['a#5', BEAT * 1.5] ]

sleep( 1 )

try :
    while 1 :
        speaker.play( melodies )
        sleep( 3 )
    pass
except :
    timer.deinit()
    led.off()
pass