"DeusEx"

[Jonathan]

I don't know what "microstep to full step morphing" is, or if there is any advantage of "256 microsteps", my reading list just got a bit longer!
:-)

The morphing thing is, from memory, switching to full step mode when the motor is run at higher speed. It's a good plan as you get a bit less torque when microstepping...
I wonder if the gecko's use vector current control, like the 2M880N, bet they don't...could be wrong.

To me it's obvious - get the 2m880N as that's about 50% higher voltage than the gecko which should have a much greater affect than the rest of it.

No point in using 256 microsteps ... that high wont help with accuracy (only cheating yourself if you think the resolution is 256th of full step resolution). As long as the driver does up to about 10 microsteps that's fine.

More info on microstepping here, here and here:

http://www.micromo.com/microstepping...realities.aspx
http://www.euclidres.com/apps/steppe...r/stepper.html
http://reviews.ebay.com/Microsteppin...00000002352664

Disclaimer :
Other websites are available ...
Your blood pressure can go down as well as up if you choose to read them ...