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
![Amazon.com: FTDI USB to TTL Serial 5V Adapter Cable with 3 Pin 0.1 inch Pitch Male Socket Header UART IC FT232RL Chip for Windows 10 8 7 Linux MAC OS (Logic 5V Level) : Electronics Amazon.com: FTDI USB to TTL Serial 5V Adapter Cable with 3 Pin 0.1 inch Pitch Male Socket Header UART IC FT232RL Chip for Windows 10 8 7 Linux MAC OS (Logic 5V Level) : Electronics](https://m.media-amazon.com/images/I/619jTZfpFNL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FTDI USB to TTL Serial 5V Adapter Cable with 3 Pin 0.1 inch Pitch Male Socket Header UART IC FT232RL Chip for Windows 10 8 7 Linux MAC OS (Logic 5V Level) : Electronics
![Amazon.com: LA1010 USB Logic Analyzer, 16 Channels 100MHz Digital Logic Analyzer, Adjustable Threshold PWM Output, for Windows XP/7/8/10 (32bit/64bit), for Mac OS, Linux : Industrial & Scientific Amazon.com: LA1010 USB Logic Analyzer, 16 Channels 100MHz Digital Logic Analyzer, Adjustable Threshold PWM Output, for Windows XP/7/8/10 (32bit/64bit), for Mac OS, Linux : Industrial & Scientific](https://m.media-amazon.com/images/I/61SvnV5npqL.jpg)
Amazon.com: LA1010 USB Logic Analyzer, 16 Channels 100MHz Digital Logic Analyzer, Adjustable Threshold PWM Output, for Windows XP/7/8/10 (32bit/64bit), for Mac OS, Linux : Industrial & Scientific
![ftdi ft232rl usb uart ttl +5v logic level adapter cable ttl-232r-5v-we - AliExpress Computer & Office ftdi ft232rl usb uart ttl +5v logic level adapter cable ttl-232r-5v-we - AliExpress Computer & Office](https://ae01.alicdn.com/kf/HTB1hNhzOVXXXXXtXFXXq6xXFXXXI/ftdi-ft232rl-usb-uart-ttl-5v-logic-level-adapter-cable-ttl-232r-5v-we.jpg_640x640.jpg)
ftdi ft232rl usb uart ttl +5v logic level adapter cable ttl-232r-5v-we - AliExpress Computer & Office
![Amazon.com: DSD TECH SH-U09A1 USB to TTL Adapter Support 1.8V 2.5V 3.3V 5V Logic Level : Electronics Amazon.com: DSD TECH SH-U09A1 USB to TTL Adapter Support 1.8V 2.5V 3.3V 5V Logic Level : Electronics](https://m.media-amazon.com/images/I/61pzQvJigJL.jpg)