USB OTG - it´s better to be a master than a slave

USB OTG (On-The-Go) cable enables for example a simple connection of USB slave devices with a smartphone.

Change SS pin for USB Host Shield - Networking, Protocols, and Devices - Arduino Forum

USB Type-C™ Explained

usb c - How can I make this USB-C connector as a host? - Electrical Engineering Stack Exchange

Interfaces in LCD Display modules SPI, I2C, LVDS, MIPI, VX1, EDP, etc.

What is USB (Universal Serial Bus)? Definition, Types, & More

USB Facts of Life

What is the SPI Protocol and How to Debug SPI Communication? - Total Phase

FTDI Android Interface Solutions

Retrokits / RK-006 Portable USB MIDI/Gate Hub

47 Midi Confusion — E Drum Info

WIDI! Which Device Will You Connect With Bluetooth MIDI?

USB 3.1 for video data transfer - Jetson AGX Xavier - NVIDIA Developer Forums

Solved: Modbus Communication between PC & RT app over RS 232 port on cRIO 9064/66 - NI Community

usb device - How to switch between usb host and slave mode on a micro usb programatically? - Electrical Engineering Stack Exchange

I2C Slave Addressing with 7-bit, 8-bit, and 10-bit