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Modify analog sound effect

robertr81

Apr 25, 2016
2
Joined
Apr 25, 2016
Messages
2
Hi!
I bought a DIY sound effects kit. But would like som help with a modification. There are three switches with four modes on each. The one to the right in the prebuilt kit by the seller has a potentiomer allowing to adjust the pitch instead of just four positions.

I asked before I bought the kit if they were the same and he told me so. Now he dont answer more about that question. Is it difficult to change (or just add, would be better, a potentimeter to the circuit) the one switch to the right with a potentiometer and how do I do it?
Appreciate all help a lot!

Here is some pics and links
DIY kit
https://www.rdhelectronics.fr/site/EN/cat-1/prod-63

Pre built with potentiometer to the right
https://www.rdhelectronics.fr/site/EN/cat-2/prod-47

Images on parts




 

ChristopherMonkey

Nov 29, 2011
1
Joined
Nov 29, 2011
Messages
1
It would help if we could see the schematic? Also, isn't there a version of the kit that already has the potentiometer?
 
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