An Open-Source HDMI Keyboard/Video/Mouse (KVM) Switch
6 days ago
- #HDMI
- #KVM-switch
- #open-source
- An open-source HDMI KVM switch for switching two monitors and four USB devices between up to three computers.
- Supports HDMI 1.3a and resolutions up to 1920 x 1200, with anecdotal success at 2560 x 1440 at 75 Hz.
- Features six HDMI inputs, two HDMI outputs, four mini-USB ports, four USB host ports, and a keypad connector.
- Keypad with a 3x3 grid of buttons for switching monitors and USB ports between computers.
- Uses a PS/2 connector between base and keypad, but does not use the PS/2 protocol.
- Source code is split into three repositories: kvm-base, kvm-keypad, and kvm-fw.
- Current board revision has known issues.
- Assembly requires specific PCBs, ST-LINK adapter for programming, USB to UART adapters for debugging, and various cables.
- Recommended to use M2 standoffs for the base's mounting holes.