Schematics are available https://the-analog-thing.org/docs/dirhtml/rst/schematics/ https://the-analog-thing.org/docs/dirhtml/rst/schematics/ though usually Open

Schematics are available https://the-analog-thing.org/docs/dirhtml/rst/schematics/ https://the-analog-thing.org/docs/dirhtml/rst/schematics/ though usually Open Source Hardware refers to releasing the original design files, including schematic and board layout, rather than just PDFs of the schematic: https://www.oshwa.org/definition/ https://www.oshwa.org/definition/