DJ Thomas White Dual LPG (Black Magpie)
DJ Thomas White Dual LPG, Black Magpie Version
A synth DIY classic and long-time favorite!
The origins of the module are described here, courtesy of natural rhythym music: https://naturalrhythmmusic.com/lopass
Module includes two PCBs.
Other good build and demo threads here:
Full synthCube kit includes everything you need to assemble the module, with each part individually bagged and labelled