Parallel Port Pin driver for Linux 2.6: ppin ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Installation: $ make $ sudo make modules_install Usage: $ cat /dev/ppin $ echo [0-7] {on|off} >/dev/ppin Udev: $ addgroup --system ppin # Add to "/etc/udev/rules.d/92-permissions-ppin.rules": KERNEL=="ppin*", MODE="0660", GROUP="ppin"