Auto-recorder project

Music Technology
Auto-recorder project

 School Recorder Recorder5
 School Recorder Recorder3
Amin Rahimi’s recorder project…

Being the huge band geek that I am, I decided that my project should involve some kind of musical instrument. Given the limited time that I had to complete the project, I decided to have my computer play a simple Yamaha recorder that was sitting in one of my drawers.

Because of a limited budget, I used mostly components that I already had. The air compressor came from my car horn, which is capable of producing 138 decibels. This was clearly not the ideal compressor to use, but it was enough to get the project done without spending loads of money. As a result, the sound of the motor drowns out a lot of the recorder pitch as you can hear in the videos linked at the bottom of this page. You’ll also notice that the speed of the motor changes with the pitch of the recorder to create the proper tone. This was done using pulse width modulation.

Recorder – Link.

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