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USB in a NutShell - Chapter 2 - Hardware
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All About USB-C: Power Delivery | Hackaday
Serial Communication - SparkFun Learn
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The Basics of USB-C and USB Power Delivery - ASME
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
Logic level converting serial TX RX - Core Electronics Forum
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