USB-IF Compliance Updates
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
USB keyboard mouse protocols system timing auxiliary device signal definitions
What is the power output of a USB port? - Super User
signal eye voltage level too high USB 2.0 Upstream near end - Electrical Engineering Stack Exchange
Amazon.com: DROK USB to 9v, 5v to 12v Step Up, USB Cable DC 5V Boost to 9V 12V Voltage Converter 1A Step-up Volt Transformer Power Regulator Line with LED Display : Electronics
How does USB superspeed electrical signaling work? - Electrical Engineering Stack Exchange
All About USB-C: Power Delivery | Hackaday
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
USB-IF Compliance Updates
Switching in USB Consumer Applications | Analog Devices
What is the exact voltage of a standard USB data signal in either data wire? I'd assume they are the same. I know that the power wires are 5 volts. - Quora
The USB 3.0 physical layer
Signal and Encoding of USB System (Part 5/6)
High-Speed USB 2.0 1:2 Multiplexer/Demultiplexer Switch With Single Enable* datasheet (Rev. F)
Serial Communication - SparkFun Learn
Verify USB port's supply voltage before use - EDN
Measuring the Universal Serial Bus (USB)
Can you boost the power output of a USB port by using a step-up booster? - Quora
Switching in USB Consumer Applications | Analog Devices
USB in a NutShell - Chapter 2 - Hardware
