Pin matrix
Signal routing technique

The Pin matrix is a compact and visual to way to semi-permanently route signals or program devices, such as in early digital electronics or lighting control boards.
01Disadvantages
The number of patches that can be made is limited and the proximity of signal wires in the matrix can cause crosstalk.
02Synths that have used a pin matrix
Also known for being used to patch (program) some synthesizers. Generally inputs are on one axis and outputs on the other and a pin inserted where the two axes meet establishes a connection.
Sources and credits
This article is adapted from the Wikipedia article “Pin matrix”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- EMS VCS3 Mk II routing matrix.jpg by FallingOutside, CC BY-SA 3.0
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