This Module is currently available.
Specs are approved by the manufacturerEasy to build DIY VCO
An analog sawtooth-core oscillator with a reasonably accurate volt/octave tracking, made from just a handful of basic components. It features sawtooth and pulse outputs as well as 1V/oct, FM, and PWM inputs.
These merchants probably sell this module. Huh?
Erica Synths EDU DIY VCO
Erica Synths EDU DIY VCO
Erica Synths mki x es.EDU EDU DIY VCO
Erica Synths ERICA SYNTHS EDU DIY VCO :
Erica Synths Edu DIY