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Old 11-02-20, 02:15 PM
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WYP WYP is offline
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Join Date: Dec 2010
Location: Northern Ireland
Posts: 17,123
Originally Posted by tgrech View Post
Ohh are those A4988's on the stock board? Yeah that explains a lot if so, they top out at 1/16th microstepping and aren't the smoothest, kinda susceptible to EMI too which I can't imagine works amazingly when you've got a load of them crammed together near the motors. Those TMC2209's are a huge step up.
Yes, I believe those are the stock Ender 3 stepper motors. The new board helps to remove some artefacts, I have printed some benchys to take pictures of later.

With some calibration cubes, I have found some incredible levels of dimensional accuracy. 0n a 20mm wide print my callipers measure them at 20-20.1 mm in size. Very good.

I'm printing a D&D style miniature as I type to see how it turns out.

Originally Posted by Warchild View Post
is that the BIGTREETECH SKR MINI E3 v1.2 32 Bit Controller you upgraded to?

I see that one is a big hit and really highly rated.

edit* now I see you already mentioned it already in your post
Yeah, that's the board.

The 1.0 version had issues with overheating and killing itself, the 1.2 version increased the copper in that section and improved its component layout to address this issue. Another perk is that it's easier to update the firmware, but I haven't tried that yet. I'm still at the baby steps stage.

Should have a larger update for this tonight.
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