1 2 3 4 5 6 7 8 9 10 11
[Unit] Description=configure the GPIO pins [Service] ExecStart=/usr/bin/gpio mode 27 in ExecStart=/usr/bin/gpio mode 27 tri ExecStart=/usr/bin/gpio mode 28 out ExecStart=/usr/bin/gpio write 28 0 [Install] WantedBy=multi-user.target