While configuring my new DUET 3 Mini 5+ control board that I put into my broken Prusa Mk2.5, I noticed weird surface artefacts that did not come from a wobbly z-axis! Let me show you how I found out that the heated bed was the problem and how I fixed it!

Website article: https://www.cnckitchen.com/blog/bang-bang-or-pid-bed-temperature-control

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🛒 Equipment used in this video:
DUET 3 Mini 5+: https://e3d-online.com/products/duet-3-mini-5

🖨 Printed models:
3D Benchy: https://www.thingiverse.com/thing:763622
Lumpy Bumpy Vase: https://www.prusaprinters.org/prints/16170-lumpy-bumpy-vase
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