For DRV8825 I think the calculation is half the max current, so the starting values should be 0.6V to 0.7V range for most steppers we see on this forum. It might be a typo, but you are looking for 0.6V to 0.7V. Is the new CNC shield faulty too? Or the stepper drivers? Or is the Arduino the source of errors? Or is the installed GRBL firmware faulty?ĭriver: They are between 6V and 7V, which is correct I think! I’m so confused now that I don’t know what to do anymore!
But not on the Arduino, it is no longer shown in the dropdown list, there is a number only, no way to upload anything. I’m a Mac user and not used things can go wrong by clicking the wrong button, usual this is blocked by Apple. It was shown when I pluged it in and opend Arduino app, but to be honest, Ididn’t know what I did! Unfortunately I tried to do a firmware update. I have another Arduino where the CNC shield behaves the same way. There is no way to get connection to UGS software.
#ARDUINO STEPPER MOTOR SHIELD CNC DRIVERS#
When I put the new CNC shield on the Arduino I used first, the drivers get so hot that the heatsinks come off and the motors make weird noises. I’m new on Arduino, but I’ve been trying by google search to solve it for a long time, but I can’t fix it! The Arduino shows an error message: “See for suggestions” So I ordered a new one, plus an Arduino to be on the safe side. I checked the wiring but ended up ordering a new CNC shield. If I plugged the Z connector into y, it worked. Then (after installing drag chains) I had a problem with the Z axis, it only went in one direction. But now I’m going crazy with this CNC control!!!Īt first everything worked fine, the stepper could be driven with UGS jogs. Printing, assembling, all of that was a lot of fun.
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