4
Beginner
Project guide
Overview
The Meowsic cat piano is amazing, but a bit too quiet. I knew I had to give it a line out so it could be heard meow-meow-meowing far and wide, and enhance the sounds with guitar effects pedals!
This mod is based on the circuit found here, with some adjustments to parts and techniques.
Don't have a Meowsic Cat Piano? That's OK, this can also be a helpful guide for anyone wanting to add a line out to other sound toys.
Select one of the following three audio connectors depending on whether you will use the project with a 1/8" / 3.5mm or 1/4" plug.
What is this TRS bit? Turtle Rock Studios?...
$0.75 each
In Stock
Pipe audio in or out of your project with this very handy panel mount audio jack. It's a mono jack with a disconnect pin...
$0.95 each
In Stock
6.35mm (0.250", 1/4") - Headphone Phone Jack Mono Connector Solder Lug
This potentiometer is a two-in-one, good in a breadboard or with a panel. It's a fairly standard linear taper 100K ohm...
Out of Stock
Featured
Mini Panel Mount SPDT Toggle Switch
This or that, one or the other, perhaps or perhaps not! So hard to make decisions these days without feeling like you're...
$0.95 each
In Stock
ΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the...
$0.95 each
In Stock
We like capacitors so much we made a
Out of Stock
These compact and luxurious machined knobs...
$2.95 each
In Stock
Making a project that will fit into an "Altoids" Mint Tin? Put down that PCB shear and pick up a Perma-Proto in...
Out of Stock
Page last edited January 21, 2026
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