Handwired Trackball using PMW3389 optical sensor and Arduino Pro-Micro. CAD files included.

Program for Raspberry PI PICO to drive my custom keyboard.

Interesting old Human Interface Devices with serial connections

handpicked repos for ergonomic keyboards and related items

Trackball Scroller for Chrome

Trackball "gestures" and other mouse trickery

Auto configures Trackball, Spinner, Mouse, Lightguns into one virtual device for Batocera with RetroArch

Parametric trackball model in openscad and clojure

A library to add a virtual Trackball to your DOM

Smooth inertial scrolling with any regular mouse.

Scroll wheel code for Logitech Marble Trackball

In Flutter Cartesian Chart widget, you can synchronize the trackball of multiple charts using the available callback events and public methods. A callback event is a callback function or method, which you can pass as an argument to another function or method. It can perform an action when you require it, and public methods are methods that can...

A quick-start example to help you add the Syncfusion Flutter Charts package to a Flutter app. You will learn how to add a Cartesian chart to a Flutter project. You will then learn how to show/hide the trackball in Flutter Cartesian chart using the public methods.

A quick-start example to help you add the Syncfusion Flutter Charts package to a Flutter app. You will learn how to add a cartesian chart to a Flutter project. You will learn how to set a data source to the chart and how to add a Candle and OpenHighLowClose (OHLC) series to it. You will also see how to customize the primary axes; enable trackbal…

This example demonstrates how to add multiple trackball in Xamarin.iOS Chart

This example demonstrates how to add multiple trackball in Xamarin.Forms Chart

This example demonstrates how to add multiple trackball in Xamarin.Android Chart

Flutter Cartesian Chart widget provides support for customizing the trackball marker to render only for the particular series of our choice in the chart using the markerVisibility property of the TrackballMarkerSettings available in the chart. For example, consider there are two cartesian line series in the chart, and if you need to show only...

A Godot addon that adds a trackball camera node without gimbal lock.

Parallax P8X32A/Propeller 1, P2X8C4M64P/Propeller 2 driver object for the Grove mini-trackball