Alt-BEAM Archive
Message #01032
To: Zulu 35 zulu35@singnet.com.sg, BEAM beam@corp.sgi.com
From: Brian Hendrickson beamboter@yahoo.com
Date: Fri, 26 Feb 1999 12:40:20 -0800 (PST)
Subject: [alt-beam] Re: FLEDS replacing 1381s
That's because the trim pot isn't meant to change the motors' speed.
It is supposed to adjust the balance between the photodiodes to fine
tune the bot's ability to track a lighht source. If everytrhind else
works, your circuit is working just fine.
---Zulu 35 wrote:
>
> hi again.. i just breadboarded a photopopper circuit ......as i do
not have
> any 1381s with me, i replaced them with FLEDS.. however, after doing
so,
> the two motors will not change in speed after adjusting the
trimpot... does
> anyone know why is this so?
>
>
>
>
==
Brian
www.welcome.to/briansbeam
beamboter@iname.com
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