Prusa Mini/Mini+ USB Power Outlet - 5vDC 15W

Easy way to add a built-in power supply to the Prusa Mini/Mini+
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updated January 31, 2025

Description

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Modified electronics box to allow for integrated USB power outlet (5vdc, 15W).

You'll need the following electronics parts;

Amazon.com: DC 24V 12V to 5V 3A 15W Step Down Converter Module Buck Reduced Voltage Regulator Car Power Waterproof Direct Current Converte (2-PCS) : Electronics

https://www.amazon.com/gp/product/B07W7XMV3W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

M3 Square Nuts (x4)

M3x10 Screw (x4)

M3 Oversized Washer (x2)

Wire connections/components (I chose to use a wire-tap. You could do this several other ways too).

***Use at your own risk, and don't push the converter past 15w.***.

Printed with Polymaker PETG, 3walls, 15% gyroid infill.  Supports needed.

I have a few extra units assembled for purchase, if you prefer not to build;

https://www.etsy.com/listing/1839393800/prusa-mini-mini-usb-power-outlet-5vdc?click_key=0e62c6bf9b5f9ce9ad7639ae6635e76b65b49f43%3A1839393800&click_sum=7439b233&ref=shop_home_active_1&frs=1

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Model origin

The author remixed this model.

Differences of the remix compared to the original

Heavy mod to allow bolt-ons of USB circuit board and power converter.

License


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