from time import sleep

import sys
import os
import subprocess


color_warning = "\x1B[30;41m"
color_pass = "\x1B[30;42m"
color_normal = "\x1B[0m"
color_check = "\x1B[31m" 


print (color_warning)
os.system("date > /dev/ttyS0")
print (color_normal)