Second iteration: USBmidi2 / Raspberry Pi Controller
Very simple OTG on pi4 - Raspberry Pi Forums
HAT ETHERNET Y HUB USB PARA RASPBERRY PI ZERO
Micro USB Host Cable OTG para tabletas, teléfonos Android, Raspberry Pi Zero – USB OTG a Micro USB B 5 pin macho adaptador Cable : Amazon.es: Electrónica
4 port Micro USB Host OTG Hub Adapter For Raspberry Pi Zero – Everything Pi
4 port Micro USB Host OTG Hub Adapter For Raspberry Pi Zero | eBay
Ben S on Twitter: "Built it using two #RaspberryPi pico dev boards. One acts as a USB HID keyboard device for the computer and one acts as a USB host to read
StereoPi used as USB device | StereoPi - DIY stereoscopic camera based on Raspberry Pi
SSH the Raspberry Pi Zero over USB | Home to artivis