[Lab] Help choosing a stepper motor
michael at krazatchu.ca
Mon Nov 4 21:52:58 EST 2013
Does the mass need to be lifted against gravity?
On Mon, Nov 4, 2013 at 9:45 PM, Wesley Ellis <tahnok at gmail.com> wrote:
> The mass isn't very heavy (probably 500g) and I don't need the resolution
> of something like a cnc or 3d printer motor and speed isn't super important
> On Nov 4, 2013 9:36 PM, "Michael Grant" <michael at krazatchu.ca> wrote:
>> The easy driver is for bipolar only, it's a good choice for small
>> steppers (NEMA17).
>> 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 stop?
>> 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
>>> 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
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