Names of Debian (or ubuntu) packages needed to compile :

linux-image-<appropriate 2.6.XX version>

or

kernel-image-<appropriate 2.6.XX version>

linux-headers-<appropriate 2.6.XX version>

libsysfs-dev (2.1.0-2 at the time of writing this wiki entry)

libsdl-gfx1.2-dev (2.0.13-3 at the time of writing this wiki entry)

libsdl-image1.2-dev (1.2.5-3 at the time of writing this wiki entry)

One can manipulate the rotational motor speed directly with commands such as :

bash$ echo 0 > /sys/class/ar4000/acuity0/device/pwmA

The upper limit for rotational velocity is about 100 to pwmA

Example call to the scanscene program :

bash$ sudo scanscene /dev/ttyUSB0 /dev/ttyS0 250 20 LOOKUPHS 200