from machine import Pin, UART
from time import sleep 

uart1=UART(1, 115200, tx=14, rx=27)
uart2=UART(2, 9600)

if __name__ == '__main__':
    print("UART_0 a 115200 baudios")
    uart1.write("UART_1 a 115200 baudios")
    uart2.write("UART_2 a 9600 baudios")
    msg=str(uart1.read())
    print ("el mensaje recibido fue: "+msg)