About Apple USB power adapters - Apple Support
USB power meter recommendations - General - Full Android Watch
Quick Charge and USB-C: Navigating the Next Generation of USB Charging | Wirecutter
How USB Charging Works, or How to Avoid Blowing Up Your Phone - ExtremeTech
T-Power Ac adapter for Honda Minimoto Electric Mini Moto Sport 18V 18 Volt Elec Charger Power supply - Walmart.com
TPD1S514: Spec for VBUS_POWER output over full input voltage range - Interface forum - Interface - TI E2E support forums
FTDI FT60x Series USB Interface IC Datasheets – Mouser
How much voltage can a USB slot provide? - Quora
What is USB Power Delivery and how does USB PD work?
Designing In USB Type-C and Using Power Delivery | DigiKey
How USB Charging Works, or How to Avoid Blowing Up Your Phone - ExtremeTech
USB20AC5WR - Hubbell Wiring Devices - USB Charger Receptacle, 20 A, 125 V
USB in a NutShell - Chapter 2 - Hardware
USB hardware - Wikipedia
USB Type-C Cable and Adapter Tips and Tricks - The Chromium Projects
What the Tech? USB-C and Power Delivery Explained / Blog / Goal Zero
How USB Charging Works, or How to Avoid Blowing Up Your Phone - ExtremeTech
About Apple USB power adapters - Apple Support
Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
Guide to USB-C Pinout and Features - Technical Articles
USB-IF Compliance Updates
40% Keyboards: Blue LEDs instead of zener diodes in V-USB
