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
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ChargeIT! Dual Port USB Charger 1 Type-C PD 27W, 1 Type-A 15W, Variable Voltage 12~28V Input - PCBA - Coolgear
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Choosing USB Pin Voltages for iPhones and iPads « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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