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Simple Adjustable Voltage Power Supply

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Creation quality: 5.0/5 (1 vote)
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  • 4 likes
  • 36 downloads

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3D design format
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  • voltage_control_box_bottom.stl
  • voltage_control_box_top.stl

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Publication date 2020-10-14 at 10:44
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Published to Thingiverse on: 2015-03-28 at 20:06
Design number 212585

3D printer file info

3D model description

I'm always shuffling though my parts pin to find the right power supply so I bought a mini buck converter unit to create a variable voltage power supply.

I connected this device to a 31.5 VDC laptop power supply and now I can adjust the output voltage to whatever I need.

Specs:

Input Voltage: DC 5~40V

Output Voltage: 1.25V~37V (continuously adjustable, the input voltage must be 1V higher than the output voltage)

Output Current: 2A(normal and stable), 3A Max.

<$10, DROK Brand Voltage Switching Regulator at Amazon:
https://amzn.to/2WWjkEO
(Make sure to choose the option that has the LED display & heatsink!)

3D printing settings

Printed successfully at 20% infill with 2 perimeters.

You may want to hot glue the voltage regulator to the bottom part to keep it permanently fixated.

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