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MTAB  Products Robotics  Robot Development Kit Robix Rascal

ROBIX RASCAL

The system comes in a nice Tuff-Stuff toolbox that stores all the parts and tools. You get six servo-motors, two types of project bases, anodized aluminum struts, nylon connectors, a gripper hand, wiring, PC software, an assortment of tools, and an adapter box that connects the Rascal to your computer through the parallel port. The kit also comes with a video and a manual. Eleven projects are outlined in the basic kit -- everything from a slithering snakebot to a robotic arm to a golfer. he robots are controlled through a console (Windows or DOS) program that's easy to operate, but sophisticated enough to allow macro programming for complex operations.

Electronics

The Electronics Adapter of the RCS-6 connects through any parallel printer port of your DOS PC using your existing printer cable, so there is no need to open your computer. It works with laptops, too, and almost any PC will do, even an old PC-XT as long as it has a high-density floppy drive to load the software. Color screens are preferred but not required, and even ancient CGA screens work fine.
The computer-interface is small in size and rests on the robot arm base. It turns commands from your computer into control signals for the six servos. The interface also has two on/off outputs that can supply 150 milliamps of drive current for LED's, relays, solenoids, etc. Also included are 0 to 5 volt analog sensor inputs and an 8-bit A/D converter as well as simple on/off switch-closure inputs. A low-voltage wall-mounted power supply for the electronics and servos is also included.

The RCS-6 Software is designed so that users have the best of both worlds. In Teach mode, you can interactively teach your robot complete sequences of motions without typing: the move commands are typed in automatically. In Edit mode, you can edit, cut, and paste sequences, add comments, and execute lines or blocks causing the robot to run whole sequences or single moves.

Accelerations and max speeds are adjustable for each axis, allowing exploration of important control themes. Robot programs, called "scripts", can be saved and then recalled later. There is also an additional layer of software for advanced users, which allows control of the robot through scripts plus C language.

The Software