- Thu Jan 17, 2008 6:32 pm
#41065
I recently purchased Sparkfun parts:
EasyDriver v3 Stepper Motor Driver
and
Stepper Motor (SKU#: ROB-08420)
I have it connected and running from a pulse generator. Measurements show that it does indeed complete one revolution per 1600 input pulses applied. All is good so far.
But what the motor seems to be doing is only moving significantly one motion per 8 input steps. It appears to "quiver" 7 times then move 1 time for each 8 input pulses. I was expecting to see 8 small equally spaced microsteps but this is not what I'm getting.
The current set pot is set to the max so as not to be a limiting issue. I have run from 6 to 16 volts with no appreciable difference.
If I'm only going to get 200 actual steps, the microstepping isn't doing me any good. Is there something I'm missing?
Thanks for any input!
EasyDriver v3 Stepper Motor Driver
and
Stepper Motor (SKU#: ROB-08420)
I have it connected and running from a pulse generator. Measurements show that it does indeed complete one revolution per 1600 input pulses applied. All is good so far.
But what the motor seems to be doing is only moving significantly one motion per 8 input steps. It appears to "quiver" 7 times then move 1 time for each 8 input pulses. I was expecting to see 8 small equally spaced microsteps but this is not what I'm getting.
The current set pot is set to the max so as not to be a limiting issue. I have run from 6 to 16 volts with no appreciable difference.
If I'm only going to get 200 actual steps, the microstepping isn't doing me any good. Is there something I'm missing?
Thanks for any input!