5z6p Instruments

knot-c Trackball Kit

Index-fingerWired
Overview

knot-c is a simple trackball with 4 buttons + 2 touch buttons. It is designed to be placed in the middle of a split keyboard, with mouse switches, touch switches that respond just by resting a finger on them, and a 34mm ball held by bearings that you control with your index finger. Please check this site and the product introduction page below before ordering. Placing an order is taken to mean that you agree to the contents of this page and the product page. https://5z6p.com/products/knot-c/

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Specifications

Basics

Type
DIY kit
Operation
Index-finger

Ball

Ball diameter
34mm
Ball support
Ball bearing

Buttons & Scrolling

Scrolling
Ball scrolling mode

Connection & Power

Connection
Wired
Power
USB bus power

Software & DIY

Firmware
Vial
Soldering required
No
Open source
Yes
Vendor Information
  • booth

    ¥9,500

    Out of stockChecked: 10/10/2026
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