Enclosure for 7-28v to USB 5v Step Down Converter
thingiverse
A quick enclosure to house a 7-28v to 5v USB 1.5A step down converter, and a 5.5/2.1mm DC socket Print both halves, wire up and test your converter and DC jack (I added an extra capacitor on the output to keep one of my devices happy), apply 5 minute epoxy to the top/bottom of the USB connector, around the DC jack, and on the edges of the enclosure, clamp it all together and wait to cure. Inserting a USB plug the first time is a bit stiff, probably should have put some tape across the holes to prevent any epoxy ingress, but it works fine once you've inserted/removed a couple times. NB: Probably a good idea with these to apply power to the converter before you plug in your USB device, in case of any spike while the converter stabilises. This was made in OnShape and you can copy/edit it there if you wish.
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