Are Micro USB-B OTG cables/connectors 5-pin, 11-pin, or both? Wikipedia doesn't say anything about an 11 pin OTG connector, but Amazon seemingly has both 5 and 11 pin versions. - Quora
Hardware and Interfaces Usage | Seeed Studio Wiki
Schematics and Hardware [Wiki] - Project Falcon - Arduboy
File:USB 3.0 Micro-B.svg - Wikimedia Commons
What Is USB? USB, Micro and Mini USB | Connector Guide | C2G
USB hardware - Wikiwand
USB | OHLIA's Wiki
File:MicroUSB.jpg - Land Boards Wiki
USB hardware - Wikipedia
File:USB 2.0 and 3.0 connectors.png - Wikimedia Commons