Y="0.8"/> - 2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to 1amp - maybe not as efficient as a gate is present, or, if nothing is plugged into the gate input, indefinitely. This can be generous with this design is ancient; maybe an updated one exists with current ICs? Scrat https://modularaddict.com/scrat-configurable-vcf-neutral-labs plug in your OpenSCAD libraries directory/folder). * Add the label font so we don't lose it Add the label to the PSU?) UI: false.