MiniKVM over USB adapter

What is it?

MiniKVM-over-USB adapter is a keyboard, video, and mouse control solution that connects directly to a headless or unattended computer via USB and typically an HDMI (or similar, such as VGA or Micro HDMI) video interface. Its plug-and-play design eliminates the need for complex network configurations, making it ideal for IT professionals, system builders, and enthusiasts who need reliable, portable, and immediate access—even where network connectivity is limited or unavailable.

Note: Cables (USB type C and HDMI cables) are not included!!!

There are many, many open-source software options to choose from

Jackadminx / KVM-Card-Mini

ElluIFX / KVM-Card-Mini-PySide6

binnehot / KVM-over-USB

tobychui / DezKVM-Go

mofeng-git / One-KVM

sunasaji / serial-hid-kvm

sunasaji / mcp-serial-hid-kvm

sunasaji / cli-serial-hid-kvm

Why did you make it?

For the following reasons：

Mobility-Focused: Designed for technicians who move between different systems

Quick Access: True plug-and-play functionality without network setup

Troubleshooting-Oriented: Perfect for quick configurations or repairs where you connect, fix, and move on

Direct Connection: Lower latency through USB interface

Network-Free: Ideal for secure environments or when network infrastructure is unavailable

Cost-Effective: Generally more affordable due to simpler hardware requirements

What makes it special?

1.HID protocol transmission, driver-free

2.Support BIOS keyboard control

3.Upper computer program compatible with non-board video capture card

4.On-board USB-HUB chip, reduce the number of interfaces

5.Single MCU dual USB Device controller, reduce transmission delay

6.The USB-A socket, used for USB expansion of the Controller PC, can connect wireless keyboards, Mouse, USB flash drives, external hard drives, and other USB devices.