Adaptable ATX PSU Case - Greenhouse Fan Version
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Made to modify. An adaptable take on re-purposing an ATX PSU. This one drives some 12 volt fans in a mini greenhouse.
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- Printables
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- Creative Commons — Attribution
I am including separate Fusion 360 and step files for each piece so that modifications can be made for your own purposes.
There are many ideas and designs available for re-purposing an old ATX power supply unit. I had a few of my own requirements so here is my version designed to drive a set of 12 volt fans for providing air circulation in a small indoor greenhouse we use for sprouting seeds. This one is sized to fit an old Compaq ATX PSU (132mm x 110mm x 145mm) so it may or may not fit another model without modifications.
If you want to make the 12 volt fan controller I made you will need the following or similar:
- 1 - 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub
- 1 - ON Off Round Rocker Switch SPST 20mm Mini 12 Volt DC
- 12 - M3x16 hex cap screws
- 12 - M3 nuts
- 1 - 245mm long x 13mm round rod for the handle. I used a ½ inch (13mm) wooden dowel.
I have also created 92mm fan mounts that can be easily mounted/unmounted and positioned with lockable ball joints. They can be found here.