Test ASCII Art :-)

[hippy]

                                       ____     ____
                    .-----------------|____|---|____|-------------< P9
                    |                  150R     180R
                    |                                        .----< 3V3
                    |                                       _|_
           .---.    |                                       /_\
TX to PC   | O |<---'    |\ |          ____     ____         |
RX from PC | O |---------| >|----.----|____|---|____|----.---^----> P8
0V         | O |----.    |/ |    |     270K     270K     |
           `---'    |   1N4148  .|.                     _|_
                    |           | | 10K                 /_\
                    |           |_|                      |
                0V _|_          _|_                     _|_