LM2596 PSU box
thingiverse
Just a lil box I designed to enclose a generic buck converter to power my Raspi from the Ender 3 PSU. I just soldered an XT60 plug and socket to the I/P and a chopped Micro USB conn to the O/P. Lid just kinda wiggles down in there and some tape holds it together. Nothing fancy or special, just does the job.
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