touchstrip

A touchstrip is a type of input device that allows for continuous input by detecting the position of a finger or stylus along its length. It typically consists of a long, thin sensor strip that registers the location of a touch. Unlike a discrete button that registers a simple on/off state, a touchstrip can translate the precise position of a touch into a variable data point, often representing a numerical value or a range.

Touchstrips are commonly found in electronic devices where precise control or continuous adjustment is desired. Examples include DJ controllers for adjusting pitch or volume, keyboards for controlling parameters like brightness or scrolling speed, and some musical instruments for manipulating sound. The technology behind touchstrips can vary, but often involves capacitive sensing or resistive sensing to determine the touch location.

The primary advantage of a touchstrip is its ability to provide nuanced control over digital parameters. It offers a more tactile and intuitive experience compared to digital sliders or numerical input fields for certain applications. The length of the touchstrip can also influence the resolution of the input; longer strips generally allow for finer adjustments.