# 4-CD40106 Osc with CV **URL:** \ **Category:** DIY STUFF\ **Created:** [September 17, 2021, 10:02am UTC](https://lookmumnocomputer.discourse.group/t/4-cd40106-osc-with-cv/4002 "2021-09-17T10:02:15Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\ **Post date:** [September 17, 2021, 10:52am UTC](https://lookmumnocomputer.discourse.group/t/4-cd40106-osc-with-cv/4002/2 "2021-09-17T10:52:17Z")
Maybe you seen it but … here’s the @moritzklein VCO with CD40106 with 1V/oct (video part 1/2 & 3) > [@DIY Synth (electronic video for beginners) - Moritz Klein](https://lookmumnocomputer.discourse.group/t/diy-synth-electronic-video-for-beginners-moritz-klein/1312/1): > > I just watch this video, and I found it interesting and simple [[DIY VCO Part 1: The analog oscillator core anyone can build] ](https://www.youtube.com/watch?v=QBatvo8bCa4) DIY SYNTH VCO Part 1: How to build an analog oscillator core from scratch In this series, I’m taking a detailed look at how to build an analog VCO from scratch, using just a handful of cheap components. It’s the basis for any synthesizer. To keep it as beginner-friendly as possible, I’m explaining what all the components do in detail. This first part deals… --- _[View the full topic](https://lookmumnocomputer.discourse.group/t/4-cd40106-osc-with-cv/4002)._