Item #: PX-28031
Availability: Discontinued notify me
Price: $17.95

    Parallax has designed a USB to Serial (RS-232) adapter that is compact and economical to provide a Virtual Com Port for all of our products that have a DB9 (9-pin) serial connector. Cable included.

    Updated FTDI USB drivers for Windows are included in the latest versions of the BASIC Stamp Editor, Propeller Tool, and SX-Key IDE software packages. You may also download the Windows drivers separately from our site, or drivers for other operating systems directly from FTDI (see the Downloads section below).


    • USB Version 1.1 and 2.0 compatible
    • Connects to your computer with a USB A to Mini-B cable (included)
    • DB9 male socket to connect to your board's serial programming and debugging port
    • FTDI Drivers for most Windows PC operating systems are included with Parallax programming environment software
    • Drivers for different operating systems are available from FTDI chip (see Downloads below)

    Easy to Use:

    • Install one of these Parallax programming environments (BASIC Stamp Editor, Propeller Tool, SX-Key IDE).
    • Or, download the USB drivers separately from the links below
    • Connect the USB to Serial Adapter to your PC with a USB A to Mini B cable
    • A message from your system tray will say your hardware is installed and ready to use (Windows)
    • Connect the adapter to your device's DB9 connector

    Key Specifications:

    • Power requirements: Regulated 5 V from USB port or powered hub.
    • Communication: Full speed USB, full duplex serial from 300 baud to 3 Mbaud.
    • Dimensions: 1.7 x 1.2 x 0.5 in (51 x 16 x 12 mm)
    • Operating temp range: +32 to +158 °F (0 to +70 °C)

    Driver Downloads