servo''s
Archiver
Posts: 46,084
Probably not. I just went on the suggestion from the Robot Builder's
Bonanza. It worked and I left it alone.
It may have to do with the input voltage exceeding the supply voltage if you
are using different sources to power the Stamp and servo.
Original Message
> 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??
> > 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.
> > 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.
Bonanza. It worked and I left it alone.
It may have to do with the input voltage exceeding the supply voltage if you
are using different sources to power the Stamp and servo.
Original Message
> 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??
> > 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.
> > 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.