Quote:
Originally Posted by Wavytone
So.. on that schematic, what are the IC's J1 and J2 ?
I've been following with ild interest... maybe one day Ill get rid of the synscan handset and DIY, though I have way too many other priorities.
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In mu case they are Pololu stepper drivers, 4988
https://www.pololu.com/product/2975
You can also use those based on DRV8825.
Both of them need to be modified to sort out "missing pulses" issue.