Alt-BEAM Archive
Message #05281
To: beam@sgiblab.sgi.com
From: matthew landry stratguitar911@juno.com
Date: Tue, 13 Jul 1999 10:25:56 -0700
Subject: servos
> hey all;
>
> i just got my head to work!
>
> when i hooked the servo up to a regular bicore ( just like on Ian's site)
> with a 1.6m ohm. restistor the servo turns counter-clockwise, an 1/16
> turn and then it turns clockwise almost a 1/8 turn, the servo goes in
> this ratchet like cycle untill it gets to the stop built in the
> case...shouldn't the servo turn one way and then turn back the other way
> the same amount? using a metronome ( the clicking thing used to keep
> time in music) i tested the bicore with led's and it works right on time
> until i plugged in the servo. The led's started to flash faster and they
> lost a rhythm. i'm using an als245 driver with 2 buffers for each lead to
> the servo ( 100ma, i think) . Is this normal of the bicore to do this?
> how could a walker go straight if the servo never turned the same amount?
> is it a servo? is there a reason it likes to turn clockwise ? what's up?
>
> thanks
> matt
>
>
> *************************************************************************
> matthew landry stratguitar911@juno.com
>
> *************************************************************************
>
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