The MicroWedgeâ„¢ is a compact, reliable, bar code reader that interfaces with any XT, PC, PS-2, or Macintosh computer without changes to the host software. The MicroWedge installs in seconds: it simply plugs in-line with any standard keyboard. Output, from the bar code scanned, appears as if it were typed directly into any software such as, databases, spreadsheets, word processors, or custom applications.