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Adjustable Voltage Step Down Box: Output 1.5-35V LM2596

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Creation quality: 5.0/5 (1 vote)
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  • 2.6k views
  • 5 likes
  • 125 downloads

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3D design format
F3D, STEP, and STL Folder details Close
  • Step_down_convertor_project_box.f3d
  • Step_down_convertor_project_box.step
  • Step_down_convertor_project_box__Lid_.stl
  • Step_down_convertor_project_box_heavy_gauge_Main_Body.stl
  • Step_down_convertor_project_box_standard_gauge_Main_Body.stl

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Publication date 2021-05-02 at 23:18
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Published to Thingiverse on: 2021-05-02 at 01:48
Design number 417286

3D printer file info

3D model description

A project box for holding these common voltage step-down (buck) modules. LM2596 is an inexpensive standard module made by a number of manufacturers. Typically 3.0-40V input and 1.5-35V output, but exact specs depend on the module. Widely available on Amazon and elsewhere, they are approximately $2 each.

I believe XL6009 step-up/step-down (buck/boost) converters will also fit, but I don't have one to check.

If you like it, please hit like.

I made two versions of the box with different sized cable exits: "standard gauge" 3.8x1.6mm, "heavy gauge" 3.8x4.6mm.

STEP file and Fusion 360 archive for your editing pleasure.

Example step-down (non-affiliate link):
https://www.amazon.com/Valefod-Efficiency-Voltage-Regulator-Converter/dp/B076H3XHXP/
Example step-up/step-down (non-affiliate link):
https://www.amazon.com/Adjustable-Converter-Automatic-Voltage-Regulator/dp/B07NTXSJHB/

2x M3 x 6 screws or glue are required for assembly, set the output voltage before assembly. (No supports required, use a screw driver to punch through the sacrificial membrane in the lid's screw holes.)

This is based on my universal project box:
https://www.thingiverse.com/thing:4801005
Check out my other projects:
https://www.thingiverse.com/zx82net/designs

3D printing settings

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