Alt-BEAM Archive

Message #06195



To: beam@sgiblab.sgi.com
From: JVernonM@aol.com
Date: Mon, 27 Sep 1999 11:12:27 EDT
Subject: [alt-beam] Re: master/slave bicore walker problems


In a message dated 9/27/99 9:58:51 AM Eastern Daylight Time,
support@admiralexpress.com writes:

> I put together the master/slave bicore circuit (Using a 74HCT240)on
> beam-online. I have the motor leads running into a 74HCT245 to bump up the
> signal, and it's driving two R/C servos.
>
> When I turn it on, the bot will take two or three steps ok, then the back
> legs will turn about 30 degrees too far. In no time it's on it's side and
> helpless.
Have you tried springs? Or possibly pots? You might want to check your
biasing resistor between the master and slave as well. As far as feedback
goes, forget it. In your set up, there isn't any.
Jim



6196 Mon, 27 Sep 1999 10:59:47 -0500 Re: master/slave bicore walker problems beam@sgiblab.sgi.com owner-beam@sgiblab.sgi.com [mailto:owner-beam@sgiblab.sgi.com]On Have you tried springs? Or possibly pots? You might want to check your
biasing resistor between the master and slave as well. As far as feedback
goes, forget it. In your set up, there isn't any.
Jim

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