tried a different way of non-blocking serial
tried a different way of non-blocking serial

jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter