# Adding CV to existing circuits

**URL:** <https://lookmumnocomputer.discourse.group/t/adding-cv-to-existing-circuits/1305>\
**Category:** DIY STUFF\
**Created:** [June 25, 2020, 3:37am UTC](https://lookmumnocomputer.discourse.group/t/adding-cv-to-existing-circuits/1305 "2020-06-25T03:37:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![fredrik](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/fredrik/32/682_2.png) [@fredrik](https://lookmumnocomputer.discourse.group/u/fredrik)\
**Post date:** [June 25, 2020, 6:23am UTC](https://lookmumnocomputer.discourse.group/t/adding-cv-to-existing-circuits/1305/2 "2020-06-25T06:23:51Z")

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Matthew Skala goes over some options here:

> **[Voltage control modifications](https://northcoastsynthesis.com/news/voltage-control-modifications/)**
>
> Everybody wants to "mod" existing devices to add control voltage inputs. That usually doesn't work well, but let's look at why not, and some cases where it is possible.

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