servo''s
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Posts: 46,084
Yes they are there as a safety precaution and are not required(r/c receivers
don't use them). They are just an input to an IC so present to significant
load. Also all brands of modern servos are set for the same type of
input(most use the same IC).
>
> I am using jr servo's and it is working fine without resistors but im just
> wondering if it could harm the stamp after a period of time??
>
>
>
Original Message
> From: "Rodent" <daweasel@s...>
> To: <basicstamps@yahoogroups.com>
> Sent: Monday, June 11, 2001 4:27 PM
> Subject: Re: [noparse][[/noparse]basicstamps] servo's
>
>
> > I'm using a couple of Futaba S148 servos and they work fine with
> > resistors -- I'm using 270 or 330 ohm ones. The Board of Education from
> > Parallax does not have resistors, but I think it uses the Hitech servos.
> >
> >
Original Message
> >
> > while looking at different examples on the net for driving hobby servo's
with
> > a BS2 i noticed that sone circuits have connections straight to the stamp
and
> > others have a resistor in line. Can anyone tell me if the
> resistor
> > is needed or is just there as a saftey feature to limit the current from
> the
> > stamp.
> >
> > Thanks
> >
> > Peter Rogers
don't use them). They are just an input to an IC so present to significant
load. Also all brands of modern servos are set for the same type of
input(most use the same IC).
>
> I am using jr servo's and it is working fine without resistors but im just
> wondering if it could harm the stamp after a period of time??
>
>
>
Original Message
> From: "Rodent" <daweasel@s...>
> To: <basicstamps@yahoogroups.com>
> Sent: Monday, June 11, 2001 4:27 PM
> Subject: Re: [noparse][[/noparse]basicstamps] servo's
>
>
> > I'm using a couple of Futaba S148 servos and they work fine with
> > resistors -- I'm using 270 or 330 ohm ones. The Board of Education from
> > Parallax does not have resistors, but I think it uses the Hitech servos.
> >
> >
Original Message
> >
> > while looking at different examples on the net for driving hobby servo's
with
> > a BS2 i noticed that sone circuits have connections straight to the stamp
and
> > others have a resistor in line. Can anyone tell me if the
> resistor
> > is needed or is just there as a saftey feature to limit the current from
> the
> > stamp.
> >
> > Thanks
> >
> > Peter Rogers