USB Made Simple - Part 2
USB communication not differential?
Does the resistor value on D+ and D- line matter on Arduinos? - Electrical Engineering Stack Exchange
USB keyboard mouse protocols system timing auxiliary device signal definitions
To what voltage should the D+ line be pulled up when designing USB connection in STM32? +5V or +3.3V? All documentation and dev board scematics says it's 3.3V, but it didn't work.
USB 101: An Introduction to Universal Serial Bus 2.0
USB信号是什么类型的？ 为什么在D+，D-处要接上拉下拉电阻呢，具体阻值要如何计算?_学无止境_Charles的博客-CSDN博客
Discharge into a USB connector during a plug-in event. One of the... | Download Scientific Diagram
usb d+ d- trace length. : r/AskElectronics
microcontroller - Repurposing PWM output for D- of USB - Electrical Engineering Stack Exchange
In a USB cable, is it OK to swap the D+ and D- wires? - Quora
Resistor on USB D+ and D-
Isolating USB | Analog Devices
USB C Breakout Board female socket Adapter Connector VCC GND D+ D- USB 2.0 | eBay
USB Back Voltage
USB communications - Wikipedia
USB charging without fear
TS3USB3031: For the TS3USB3031 chip, must the pin d+, d- correspond to the USB d+, d-? - Interface forum - Interface - TI E2E support forums
USB in a NutShell - Chapter 2 - Hardware
![SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics](https://lh6.googleusercontent.com/-B7r_aQHKm3E/UxlT75fx75I/AAAAAAAACZM/Kr2N9pXc5yc/s640/USB%2520connections.png "SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics")
SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics
