from machine import Pin
from time import sleep
def LCD(x,y):
    rs.value(y)
    d7.value(int(x[0]))
    d6.value(int(x[1]))
    d5.value(int(x[2]))
    d4.value(int(x[3]))
    d3.value(int(x[4]))
    d2.value(int(x[5]))
    d1.value(int(x[6]))
    d0.value(int(x[7]))
    en.value(1)
    sleep(.1)
    en.value(0)

rs=Pin(14,Pin.OUT)
en=Pin(23,Pin.OUT)
d0=Pin(2,Pin.OUT)
d1=Pin(4,Pin.OUT)
d2=Pin(5,Pin.OUT)
d3=Pin(15,Pin.OUT)
d4=Pin(18,Pin.OUT)
d5=Pin(19,Pin.OUT)
d6=Pin(21,Pin.OUT)
d7=Pin(22,Pin.OUT)
B1 = Pin(13,Pin.IN,Pin.PULL_DOWN)
B2 = Pin(12,Pin.IN,Pin.PULL_DOWN)
B3  = Pin(27,Pin.IN,Pin.PULL_DOWN)


lista=["00110000","00110000","00110000","00111000","00010100","00001100","00000110","00000001"]
lista2=["00110000","00110100","00110010"]
lista3=["01001","00011","01001","11011","01001","01011"]


for i in lista:
  LCD(i)

while(1):
  for i in lista2:#sin presionar boton
    LCD(i)
  LCD("11000")
  LCD("00000") 

 
  for i in lista3:
    LCD(i)
  LCD("00000")
  LCD("00100")
  if(B1.value()==1):
    LCD("00000")
    LCD("10000") 
   
  elif(B2.value()==1):
  
    LCD("00000")
    LCD("11000")

  elif(B3.value()==1):
    
    LCD("00000")
    LCD("00010")