USB Host Shield Library, For Connecing Other USB Devices
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DOREMiDi USB MIDI Host Box MIDI Host USB to MIDI Converter 6971905830006 | eBay
Micro USB Host OTG Cable with USB Power for Android Tablet Samsung/HTC/Nexus/LG | eBay
Kenton MIDI USB Host MkII (for Class Compliant MIDI devices) - Control Voltage
Amazon.com: ExcelValley - USB MIDI Host Module - Create a real MIDI OUT port – Compatible Casio : Musical Instruments
Kenton MIDI USB Host MkII - The Midi Store
Amazon.com: CAMOLA USB MIDI Host Box USB to MIDI Converter MIDI Interface : Everything Else
Intelix AVO-USB-H Host Side USB Extender AVO-USB-H B&H Photo
CH559 USB Host to UART Bridge Module from MatzElectronics on Tindie
2-in-1 Multi-Function Micro USB Host OTG Cable w/ USB Plug Power (OTG Cable + Power Cable), OTG & USB Power Charge Y Splitter Cable for 2.5" HDD/SSD for Samsung Galaxy Tab3 S4
Usb2.0 10ft Data Transfer Host Cable Cord For Usb Cable For Akai Mpk25 Mpk49 Mpk61 Mpk88 Professional Midi Keyboard Pc Cord - Data Cables - AliExpress
Cheap USB Host Microcontroller [CH559, ESP32, HID] - YouTube
Amazon.com: Kenton Electronics USB to MIDI Converter Midi – USB Host MK2 : Musical Instruments
CME WIDI Uhost + Cables - Wireless MIDI USB Host
USB Host Switching Cable - Mini Mechanical KVM : ID 4844 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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2 In 1 Otg Micro Usb Host Power Y Splitter Usb Adapter To Micro 5 Pin Male Female Cable Sp99 - Data Cables - AliExpress
Amazon.com: USB2.0 10FT Data Transfer Host Cable Cord For USB Cable For Akai MPK25 MPK49 MPK61 MPK88 Professional MIDI Keyboard PC Cord (Original Version) : Electronics
Amazon.com: Miditech USB MIDI Host MIDI Interface : Musical Instruments
$10 USB MIDI Host (for MIDI controllers) - MOD WIGGLER