Hi Folderol,

On Fri, 21 Dec 2018, Folderol wrote:

> On Fri, 21 Dec 2018 21:17:08 +0000
> real-not-anti-spam-address@apple-juice.co.uk (D.M. Procida) wrote:
>
> >I'm fairly new to servos.
> >
> >I see that they come in two basic types: continuous rotation (their
> >speed of rotation is determined by the pulse width) and fixed travel
> >(usually 180 degrees, sometimes a bit more).

...

> Is there a reason you chose a servo motor?
>
> I've always preferred stepper motors. They are far less finicky and very
> precise. If the step size is too great, you simply gear it down.

...

as this is Raspberry newsgroup I would also be interested which
controller you use for these steppers.

There are simple and cheap controllers for servos (e.g. a 16-channel
conroller for ca. $10) and I think it is far more expensive to use
steppers for several axes, like a robot arm (6 axis).

And how do you program the stepper controllers?

TIA,
Gerhard

--
 Gerhard Reithofer - Techn. EDV Reithofer - http://www.tech-edv.co.at

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