[Lab] Help choosing a stepper motor

Michael Grant michael at krazatchu.ca
Mon Nov 4 21:36:27 EST 2013

The easy driver is for bipolar only, it's a good choice for small steppers

There are many choices on eBay as well, about $11 will get you a serious
CNC driver for larger steppers (NEMA23).

What resolution and speed are you looking to achieve?
The mass you are rotating, is it heavy and will you require fast start and

Michael Grant

On Mon, Nov 4, 2013 at 9:22 PM, Wesley Ellis <tahnok at gmail.com> wrote:

> Hey all,
> I'm pretty new to electronics and I'm having trouble choosing a stepper
> motor for a project I'm working on.
> I'm ordering from robot shotp, and it looks like this EasyDriver board
> (
> https://secure.robotshop.com/ca/en/sfe-easydriver-bipolar-stepper-motor-driver.html
> )
> will let me control whichever motor I end up choosing, but the number of
> motors on robotshop is pretty intimidating.
> I'm going to be spinning a small platform so I don't need a lot of
> power. Basically, I'm wondering whether I need a bipolar or unipolar
> motor? What kind of voltage? Amperage? Any help would be appreciated
> Wesley
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