For the full plan and description send me a e-mail. My father sells them. The plotter is a digital positioning unit for acurators. The plan was to build a 3D plotter. As with many projects I start the software works fine but the mechanic is crap.
Razorback is a project to build a small remote controlled tank.
Soundmodul is a modul for playing sounds with a remote controlled model ship. There are many different sounds even a duck program. Star is a small program for displaying moving patterns on a chrismas star.