step sequencer synthesizer

We have two arduino modules. One programmed as a step sequencer, and another running a synth engine. It's a noise machine. Goal of the project was to branch out into electronics.

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Inspiration

Wanted to branch out into a project that dealt with hardware because we usually do projects in software only.

What it does

It generates noise based on arduino code from a library called mozzi.

Step Sequencer - A midi based tool primarily used to create drum patterns. Our arduino sequencer uses four buttons to toggle steps and four lights to indicate which steps are being played.

Synth Engine - Modular sound based on potentiometers. Uses the mozzi library to make its sounds.

How we built it

Step Sequencer - 4 Buttons 4 LEDs 4 2k resistors 4 10k resistors Aurduino Board

Synth Machine - Aurduino Board 2 potentiometers Audio Jack Sound Card

Challenges we ran into

  • We wanted to combine the sequencer and synth machine but too many issues with the synth machine not recognizing the sequencer inputs
  • Had to relearn circuits, learn about aurduino boards, and also the Aurduino IDE.
  • It took us a while to land on a way to realize our idea, and underwent a few different designs and softwares

Accomplishments that we're proud of

  • Made a step sequencer that works with audio.
  • Learned more about circuits.

What we learned

  • How to program in arduino
  • How to process digital and analog signals into audio.
  • How to wire components in a breadboard

What's next for step sequencer synthesizer

Bigger arduino board, more components to use, try to solve the noise interference.

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