from gpiozero import *
from time import sleep

a=LED(21)

x=input("zadej text: ")

for j in range(len(x)):
    y=f'{ord(x[j]):08b}';print(y)
    for i in range(8):
        if y[i]=="0":
            a.on();sleep(.03);a.off();sleep(.1)
        if y[i]=="1":
            a.on();sleep(.05);a.off();sleep(.1)