USB-PS/2 Trackball Interface Kit
for 2-1/4" or 3" Trackballs

USB Trackball Interface

Several of you have requested these Happ interface kits, so we decided to temporarily add them to the Parts Page.

  • Kit converts existing 2-1/4” or 3” Suzo-Happ trackballs to work with USB or PS/2
  • Simply replace the optic boards on the existing trackball with the included new optic boards and harness
  • Connects directly to either a USB or PS/2 port on a PC
  • Compatible with Windows 98™, Windows 2000™, Windows ME™, and Apple Macintosh iMac™, Power PC™, with OS 8.5 or higher, Linux™ with USB HID support
  • No external power supply needed
  • Automatically detects whether it is connected to a USB or PS/2 port and configures itself accordingly
  • Supports up to three buttons (sold separately) Includes both .187” and .250” terminal connectors for pushbutton switches