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2 layers30.5 × 73.7 mmWave, the printed circuit board in 3D

Each module responds to weight through a load cell, allowing the pitch to change based on the object placed on it.

Size
30.5 × 73.7 mm
Copper layers
2
Thickness
1.6 mm
Parts
5
Nets
4
Pads
53
Tracks, vias
51, 0
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
28 May 2025
Updated
28 May 2025

Overview

Wave is an open-source printed circuit board by Yellow-Moonlight, from the Yellow-Moonlight/Wave repository on GitHub. It is a 2-layer board of 30.5 × 73.7 mm with 5 parts on 4 nets, routed with 51 tracks and 0 vias.

README

README.md

Wave 🎛️

A Modular Interactive Sequencer for kids

Overview

Wave is a modular, interactive sequencer designed for physical engagement and flexible arrangement. Using hexagonal modules connected via joints, users can build and reshape the instrument in a variety of layouts.

Each module responds to weight through a load cell, allowing the pitch to change based on the object placed on it. This tactile interface enables intuitive sound control, offering a unique experience compared to traditional sequencers.

How It Works

  • Modular Design
    Hexagonal modules connect via joints, forming custom configurations.

  • Weight-Based Pitch Control
    Each module uses a load cell to detect weight, which determines the pitch of the step.

  • I2C Communication
    Each module contains a Slave Arduino that sends data to the Master Arduino over I2C.

  • Signal Output
    The master processes the input and generates Gate and CV Out signals to control external analog or modular synths.

  • Planned Features

    • Tempo control
    • Expanded CV/Gate behavior
    • Custom sequencing logic

3D Model

You can download the 3D model of Wave and use it for printing or modification. Below is a preview of the model:

Wave 3D Model

Circuit Design

The circuit for Wave was designed using KiCad. Below are previews of the schematic symbol and PCB layout:

Schematic Symbol
Schematic Symbol

PCB Layout
PCB Layout

Applications

Wave is ideal for experimental music setups, sound installations, or educational environments where interaction, modularity, and sound design meet.

Status

🚧 Wave is currently under development. More updates and documentation will be available soon.

Questions

How big is the Wave PCB?

It measures 30.5 × 73.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Wave use?

5 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Wave KiCad files?

From the Yellow-Moonlight/Wave repository on GitHub, at the commit this page was made from: the board is circuit/Wave.kicad_pcb and its schematic circuit/Wave.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Wave design in my own project?

Its repository states no licence, so its author keeps all rights: ask Yellow-Moonlight before reusing the design.

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