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I made a music tool that can be used either in tandem with a computer or hooked up directly to a MIDI playback system. The computer in this case only does the translation of the notes sent by the Arduino through a MIDI to USB converter.

P.S: Hi Prof George. I made this to demonstrate one of the ideas that came out of today's brainstorming.

Step 1: Parts List

For this project you will need:

-Arduino Uno ( or any other Arduino for that matter)

-HC-SR04 ultrasonic distance sensor

-5 pin din connector

-220 Ohm resistor

-connector wires

Step 2: Wiring

Connect all pins of the Arduino as shown in the picture.

Step 3: Code

The code I used is fairly simple and inefficient but it does a good job at showing the final product.

Step 4: Demonstration

<p>Great Project, i am going to begin building mine tonight. I look forwards to sharing the results and maybe picking your brains when i get stuck. It is my first Ardunio project. Thanks for sharing this. </p>
<p>Hi there! Sorry for the late response but good luck with you project and do share the results :) (I realize this might be a bit late now but if you need any help, do tell)</p>
<p>If you modified it to react to a fluid range of distances, instead of discrete notes, you could convert it to a digital Theremin! :)</p>
<p>I am going to do that as it shouldn't be that hard. I just need to convert the decimal values I get from the sensor to HEX and send them to the MIDI converter. It is as it is now because I was in a bit of a hurry :))) </p>
Looking at MIDI specs again, sadly I see no way to do FULL glissandoes, if the target instrument doesn't support portamento on its end. But hey, that'll be good too :)
<p>This is a neat idea. Thank you for sharing how you put this together, and for including the wiring diagram :)</p>
<p>Thanks for checking it out :) </p>

About This Instructable

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Bio: Hi there! I am a maker and an electrical and electronic engineering student at the University Of Manchester and I enjoy making tutorials in my ... More »
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