Arduino MIDI Noteplayer Project

Omar Mulla-Jassim
2 min readMar 3, 2023

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Introduction: If you’re looking for a fun and easy DIY project to try out, look no further than the Arduino MIDI Noteplayer! With just a few simple components and some basic programming knowledge, you can create a unique musical instrument that generates different sounds depending on the location of your hand. In this report, we’ll take a closer look at how the project works and what you’ll need to get started.

Materials: To create your own Arduino MIDI Noteplayer, you’ll need the following materials:

  • Arduino board
  • Arduino sensor
  • Midi audio cable
  • Synth program

Assembly: Once you have all the necessary components, you’ll need to assemble them to create your circuit. Start by connecting the Arduino sensor to the Arduino board using jumper wires. Next, connect the piezoelectric buzzer to the board. Finally, connect the Midi audio cable to the board.

Programming: The code for the Arduino MIDI Noteplayer is relatively simple and easy to understand, even for beginners. The program maps the distance of your hand from the sensor to a specific MIDI note, generating different sounds depending on the location of your hand. We’ve included a link to the code in the description below, so you can download it and modify it to suit your needs.

Usage: To use the Arduino MIDI Noteplayer, simply wave your hand over the sensor. The closer your hand is to the board, the higher the pitch of the sound. The further away your hand is, the lower the pitch. Experiment with different hand movements and distances to create unique and interesting sounds.

The project was helped built by Iskren, Riya and Yvan.

Copy of the Code: https://docs.google.com/document/d/1gJns63cYvRawxmdQz58IqZMAt28aT3jRPCH4G96fxdo/edit?usp=sharing

Youtube Video: https://www.youtube.com/watch?v=nGRph35CZ5A&t=40s

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