HID Twister!
Universal-ish two-way
Input Device Converter
~ Purchase at SmallRun: link ~
Questions? email support@hidtwister.com
Hook any input device to any system.
Plugs work in either direction.
(Straight-wired cables needed for plug-to-system.)
Current plugs:
| Type | Device 1 | Device 2 |
|---|---|---|
| XT | XT Protocol Keyboard | Serial Mouse |
| PS/2 (AT) | PS/2 Keyboard | PS/2 Mouse |
| USB | USB Keyboard and/or Mouse (both via dongle or hub) | |
| Mac Plus/128K/512K | Phone-cord keyboard | DB9 / Apple IIc Mouse |
| ADB (Mac) | ADB Keyboard | ADB Mouse |
| Victor 9000 | Victor Keyboard | Serial Mouse |
| TTLVIDEO | CGA/MDA/Mono Monitor | Serial (for terminal emu) |
Features:
Config interface via USB-C serial terminal command line.Configurable key mapping and mouse movement sensitivity.
Full NKRO if the keyboard supports it.
Easy UF2 drag-and-drop flashing for firmware updates.
Firmware Change log:
License info: link2026/09/30 build 373 Initial shipping release of HID Twister r2
2026/10/01 build 379 ADB Mapping fixes, map command syntax improvements
2026/10/04 build 387 Mac Plus plug (Also supports Apple IIc Mouse)
2026/10/05 build 414 CGA/MDA/Mono TTLVIDEO Plug + Serial Terminal
2026/10/07 build 423 Misc + fix for slow crystal bring-up on some boards
2026/10/16 build 451 Lots of misc + add ttlvideo, C64x2 initial support
2026/10/19 build 452 Fix capslock issue for Mac Plus plug
Known Issues:
PS/2 Mouse: Mouse Wheel not supported (yet).