Amazon.com: PIIHUSW Dupont 9 Pin to Mini USB Cable Cord, Mini USB 5 pin Male to 9 Pin Motherboard Female 0.1'' USB Header PCB Adapter Dupont Extended Cable : Electronics
USB PCB: The Core of Any Serial USB Interface Device
How to design the USB circuitry
USB breakout boards for supplying power to your projects | blog
Micro USB Breakout PCB [5470] : Sunrom Electronics
How to add USB B and micro-B ports - Projects - KiCad.info Forums
Forum - EasyEDA - An Easier Electronic Circuit Design Experience - EasyEDA
Using USB Type-C on hobyist projects – The blog of Tyler Ward (aka scorpia)
How to Use USB in Your Next Design - Fusion 360 Blog