USB-C PD Variable Power Supply
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a little gizmo I made to keep in my desk drawer so I always have an easy way to connect wires & circuits to a few different voltages, without faff of crocodile clips, terminals or digging a big power supply out. Very handy for LED strips.
The USB PD module switches between 5V, 9V, 12V, 15V, and 20V, as long as your USB power supply supports it. There is a blue indicator LED for each voltage - solid when selected, and flashing when your USB supply doesn't provide that particular voltage. I also included an easy to see at-a-glance voltage display.
Assembly is pretty straight forward, the only faff is making sure you keep wires clear of the push button when you assemble it.
Note - For this to work, you will need a USB-C power supply (or battery bank) capable of Power Delivery. I have two adapters, and one cannot deliver 12V. See the output ratings on your adapter to be sure.
Parts List
3x Hex socket head screws, length between 12 & 15mm
1x Wago-style terminal block; 1in-3out - https://ebay.us/m/88Xuyz
1x voltmeter led display (optional) - https://a.aliexpress.com/_EIpAxNs
1x USB-C switchable PD breakout module (no USB A port or terminal block version) - https://a.aliexpress.com/_ExA4W2I
and a few cm of wire
Also, a USB-C PD power supply & cable for any of this to work.
Print files
Download the 'base' part (black), then there are two versions of the top cover (yellow). One is plain yellow, super easy print, and one I livened up a bit for fun! this has some black inlays, AMS type system required for printing.
