TIP: Click on subject to list as thread! ANSI
echo: rberrypi
to: D.M. PROCIDA
from: FOLDEROL
date: 2018-12-21 22:05:00
subject: Re: Servo basics

dca386da
PID: SoupGate-Win32 v1.05
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).
>
>They come in various standard (not sure how standard these actually are)
>sizes - micro, sub-micro, standard.
>
>And they can have plastic or metal gears.
>
>What else should one be aware of? I have an application in which I'd
>like reasonable accuracy and precision, and for a 5-degree command (say)
>to have a 5-degree output.
>
>I've been fooling around with a pair of HiTec HS-55s - they're OK, but
>they are not what I'd call precise. One of them also takes the slightest
>excuse not to respond (possibly my abuse has damaged it).
>
>If I wanted something stronger and more accurate, and don't need more
>speed, what sort of thing should I be looking at?
>
>Thanks,
>
>Daniele

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.

--
W J G

--- SoupGate-Win32 v1.05
* Origin: Agency HUB, Dunedin - New Zealand | FidoUsenet Gateway (3:770/3)

SOURCE: echomail via QWK@docsplace.org

Email questions or comments to sysop@ipingthereforeiam.com
All parts of this website painstakingly hand-crafted in the U.S.A.!
IPTIA BBS/MUD/Terminal/Game Server List, © 2025 IPTIA Consulting™.