Building HAL (club seeks computer/motor interface)

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#2393

From: martin vazquez
Date: Mon, 05 Dec 1994 03:03

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Hello basement tinkers and computer buffs,

        Our high school computer club has decided to build a robot.

        We're looking for a few good interfaces - from an MS-DOS computer to 
control relays and electric motors.  We found a reference in '99 Inexpensive
robot projects', by Glen __?__, TAB books, where the author describes a 
construction using the parallel printer port.  A BASIC program then used 
the OUT (LPT1 address) command to trigger a semiconductor switch.  While
feasable-looking in the book, the wiring intracacies give us pause.

        Does anyone know of a commercial kit or simple method of turning
on and off motors from a BASIC program?

        While I'm asking, how about getting sensor input _into_ the computer?

If you've built a robot with students before (I'm the computer studies/
moderator), we'd be interested to hear.

Thanks, 
        Martin

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From: mvazquez@world.std.com (martin vazquez)
Subject: Building HAL (club seeks computer/motor interface)
Message-ID: <D0BHto.JEx@world.std.com>
Organization: The World Public Access UNIX, Brookline, MA
Date: Mon, 5 Dec 1994 03:03:24 GMT
Lines: 21