Submitted by lightforms on Thu, 04/22/2010 - 11:14
Posted in
Hi All
This looks like a great project that your buidling here and a nice way to do it as well.
I found these linistepper drvers online http://www.piclist.com/techref/io/stepper/linistep/index.htm
I was wondering if they are compatible with the code that your writting they seem to use a few more wires than a chopper driver but from what the website says they may provide smother motion than a standard stepper driver
Im intrested in building a rotary table to begin with and am happy to help out in anyway that I can. Im not a strong programer I know just enough to get myself in trouble. I have furniture and product design background and some skills with graphics. So let me know where I can help to give this a nuge.
Cheers
d
(I'm not sure where my
(I'm not sure where my previous response went, odd...)
The wiring has nothing to do with the way the driver functions, but for the type of motor it drives. This driver is used for uni-polar motors, which are abundant and work fine.
It is a driver that takes step/direction inputs, so it will work just fine with the engine.
There are less expensive bi-polar drivers that work just fine, and many of us are using them, including the Pololu drivers: http://www.pololu.com/catalog/product/1202 (http://www.pololu.com/catalog/product/1201 is cheaper, and smaller, if you want to supply your own voltage regulator.), and the Easydriver: http://www.sparkfun.com/commerce/product_info.php?products_id=9402
I can't speak to the quality of the linistepper, but people on CNCzone like them, and they're open-source, which I like to support. However, my caveat here is that if this is your first electronics project, I would suggest getting a pre-assembled driver, as debugging issues with a circuit is not necessarily a fun way to start. And debugging a high-current circuit is much less fun =)
But, if you like the drivers, they should work just fine from the OpenMoco perspective.
!c
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