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Westsw shows you how to control the speed of a small DC motor with nothing but the serial port on your computer, a single MOSFET, and DOS commands… – Link.

More serial project for serial Makers:

  • Control the Parallel (or Serial) Port with Python – Link.
  • HOW TO – Make a Roomba Serial Interface – Link.
  • Laser beam detection with a serial port… – Link.
  • Ceiva picture frame serial port adapter and HOW TO – Link.
  • The Megapus – 20 serial port data replicator – Link.
  • HOW TO – Make a cable release and serial port cable … – Link.
  • HOW TO – get audio output on RS-232 (serial port) – Link.
  • HOW TO – Controlling a relay and motor with a serial … – Link.
  • More serial – Link.
  • More motors – Link.