Ender 3 rear electronics case with additional 40mm fans

A modification of the original Ender 3 (pro) rear electronics case remix with improved cooling
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updated December 15, 2022

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I'm looking at doing this upgrade, but I'm curious and relatively new at doing mods like this - what are the buck converters for, exactly? I thought the SKR could take 24V, and I know most PIs can. Would the 5V one be for LEDs?

@Arcayenneist Mainly I wanted to use 12V silent fans and 5V for the Pi. The SKR stayed at 24V

@Chiral Awesome, thanks! I think I've only got one buck converter, but the BTT Pi I'm using can take 12-24V.

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