Smooth Dial

Converts discrete scroll dial/wheel events into smooth continuous scrolling on macOS.

Menu bar app with sensitivity control and per-device filtering. Requires macOS 13+.

Download .dmg
View on GitHub

Features

  • Sensitivity slider in the menu bar dropdown
  • Auto mode (default) — automatically smooths devices named "Full Scroll Dial"
  • Manual mode — toggle on to pick specific HID devices from a submenu
  • Debug logging for every scroll event

Building the Scroll Dial

Engineer Bo documents the full build of the Scroll Dial hardware.