Hi guys, I'm using a bigeasy stepper driver from sparkfun, had it working perfectly... Then went to test and work out another stepper I pulled out of a scanner.
Firstly, should I be adjusting the current limiting pot while live? Or should I be turning it off?
Basically I forgot that the silkscreen was backwards and put 1.8A through a stepper that should run at about 200ma, there was a bad smell and I shut it down pretty quickly. Now, the stepper still runs fine at 200ma, and so does the driver but if I turn it up above about 300ma then the driver starts to make a squeeling noise. Have I stuffed it?