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This is a powerful DIY digital variable bench power supply with lots of options. I have used ATX power supply, WZ5005 module and a step up boost converter.

The variable power output is 0-50V/ 5A (CC/CV), and also 3.3V, 5V & 12V fixed outputs (Max. 10A) . Total output power max. 223W. WZ5005 module will output maximum about 150W.

I have used a 3D printed casing (PETG material), but you can make the casing using any other method (using wood/ plastic sheet or even project box)
If you need the casing design files, download link in the below. But you may need to do some changes to the design according to your ATX power supply dimensions.
https://drive.google.com/drive/folder...

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