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USB Host Switching Cable - Mini Mechanical KVM : ID 4844 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: DSYJ DSYJ-D0000101 Micro USB Host OTG Cable with Micro USB Power for Nexus 4 Nexus 7 Galaxy S Iii & Galaxy Nexus 0.65ft 1Pcs Black : Cell Phones & Accessories
Adafruit Feather RP2040 with USB Type A Host : ID 5723 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
USB OTG Host Cable MicroB OTG male to A female
6.90.00 EMPOWER-USB-HOST BOARD Segger Microcontroller Systems | Development Boards, Kits, Programmers | DigiKey
USB MIDI Host Box - DOREMiDi
Cheap USB Host Microcontroller [CH559, ESP32, HID] - YouTube