Remix breakbeats or other sample loops on the fly with the Breakbeat Breadboard! Thanks to the CircuitPython audio library mixer, it's easy to do!

This project is easy to build, and the colorful tactile buttons are irresistible to push. Hold any button or combination of buttons to un-mute the synced loops like a DJ killswitch -- the music loops play constantly in the background, the audio mixer takes care of the rest. No tricky sync code to worry about.

While this project uses eight buttons, the KB2040 has enough GPIO pins to comfortably increase this to sixteen buttons before requiring a diode matrix.

Parts

Angled shot of short black microcontroller.
A wild Kee Boar appears! It’s a shiny KB2040! An Arduino Pro Micro-shaped board for Keebs with RP2040. (#keeblife 4 evah) A lot of folks like using Adafruit...
$8.95
In Stock
Angled  shot of 15 colorful square tactile button switches in green, yellow, red, blue, and white.
Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be...
$5.95
In Stock
Angled shot of full sized breadboard.
This is a 'full-size' premium quality breadboard, 830 tie points. Good for small and medium projects. It's 2.2" x 7" (5.5 cm x 17 cm) with a standard double-strip...
$5.95
In Stock
A white hand with a red manicure holds up an Adafruit Perma-Proto Full-sized Breadboard PCB.
Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: it's always crummy quality, with pads that flake off and no labeling. Then we...
$6.95
In Stock
Breadboard-Friendly 3.5mm Stereo Headphone Jack
Pipe audio in or out of your project with this very handy breadboard-friendly audio jack. It's a stereo jack with disconnect-switches on Left and Right channels as well as a center...
Out of Stock
Hook-up Wire Spool Set in box with 6 colorful wires coming out
Perfect for bread-boarding, free wiring, etc. This box contains 6 spools of solid-core wire. The wire is easy to solder to and when bent it keeps its shape pretty well. We like to have...
$15.95
In Stock
Angled shot of 25 Through-Hole Resistors - 220 ohm 5% 1/4W.
ΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!This is a 25 Pack of...
$0.75
In Stock
Angled shot of 25 Through-Hole Resistors - 1.0K ohm 5% 1/4W.
ΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!This is a 25 Pack of...
$0.75
In Stock

You'll also need a electrolytic through-hole capacitor for audio filtering, a 1µF or 2.2µF cap works well. This is just used to filter some of the high-end noise.

Tools

Person quickly stripping a piece of wire
If you've got a lot of wire-stripping to do, you may want to try out an automatic stripper/cutter! They are fantastic for stripping and cutting stranded and solid-core 24 or...
$11.95
In Stock

This guide was first published on Mar 19, 2022. It was last updated on Mar 19, 2022.

This page (Overview) was last updated on Mar 18, 2022.

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