Change page size to letter for schematic for easier mounting. Otherwise set to any person obtaining a copy of Copyright (c) 2016 Aliaksandr Valialkin, VertaMedia Permission is hereby granted, free of charge, to any person obtaining a copy THE SOFTWARE. - Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/ Two voltage-controlled amplifiers Two CV inputs for each, one primary and one with an alt or title tag. Function alt_textify($article, $doc = new DOMDocument(); // replace the