Raspberry Pi OctoPrint Powered by Ender3 3D Printer

After almost a year of having my Ender3, it has received a lot of new parts, fixes and upgrades. The great thing about the Ender3 is that you can do so much with it and truly personalize it for your use case. One area that needed to be addressed was the power supply situation that powers the Raspberry Pi running OctoPrint. Having a single switch to shut the station down is a far more elegant solution to power down this 3D printing station.

This is based on this set of instructions:


The largest difference is rather than modify the XT60 Y-splitter, I used some connectors and wire to make the PSU for the Pi a self-contained unit. This video is the process I used to make it happen.


XT60 Y-Splitter

XT60H-F Connector

LM2596 DC-DC Step Down (buck) converter

Black and Red 16 or 18 gauge wire

Micro USB Cable for power only

Shrink tubing or electrical tape

3D Printed box for converter


Wire strippers

Soldering Iron

Heat gun (VERY hot air source). A lighter would work too


Small flathead screwdriver

Some sort of DC power source that is between 24v to as low as 12v. You can use a battery from a car or power tool

Final Thoughts

Powering the OctoPrint Raspberry Pi computer from the 3D printer truly makes for a much cleaner setup on this Ender3, 3d Printing Station. I wouldn’t call this an absolutely necessary arrangement but this makes for a much more elegant solution as compared to the separate power supply.

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