The Handy Board Expansion Board

Features

The Expansion Board plugs on top of the Handy Board, and provides the following features:

• 10 additional analog sensor inputs;
• 4 inputs for active LEGO sensors (reflectance sensor and shaft encoder);
• 9 digital outputs;
• 6 servo motor control signals with power supply from the Handy Board's internal battery;
• optional external power for servo motors;
• connector mount for Polaroid 6500 ultrasonic ranging system;
• general-purpose electrical prototyping area;
• pass-through connector for the Handy Board's LCD screen.

More Information

The following links provide more information about the Expansion Board:

• Instructions for installing the Expansion Board onto your existing Handy Board.
• Software libraries.
• Electrical schematic, as GIF file, PDF file, or PostScript file.
• Parts listing.
• PCB image / parts placement diagram, as GIF file, PDF file, or PostScript file.
• Manufacturing data, useful if you are building the board from parts.
• Vendors.
  • Mouser Electronics is providing a single catalog number for ordering the entire kit of parts for building the Expansion Board.
  • Douglas Electronics, supplier of blank Handy Board PCBs, is supplying blank Expansion Board PCBs as well as a full parts kit! See their Handy Board page for details.
  • Gleason Research is supplying assembled/tested Expansion Boards.
  • Patrick Hui/Robot Store HK is supplying assembled/tested Expansion Boards and full kits.
  • Acroname is supplying Expansion Board kits, bundled either with a diskette for Windows or Macintosh.