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- Thu Dec 03, 2020 7:44 pm
- Forum: Stepper Motor
- Topic: Turning up current - A4988
- Replies: 9
- Views: 52099
Re: Turning up current - A4988
Hi MX39, I've the same issues (or doubts) you mentioned. I've found (in other forums and videos on Youtube) that the correct Vref is more or less the 70% of the calculated Vref. So, for the extruder driver, Vref is 1.87V but I don't know if is too high. I haven't tried it yet to avoid possible probl...