Making a large piano like in the movie Big #CircuitPlaygroundExpress #CircuitPython @KarinChechik
Karin Chechik challenged herself to create a big piano like in the piano scene from the movie ‘Big’?
I was very excited about this new idea, but I had two problems: First, I don’t know how to play the piano. Second, CircuitPython represents notes as frequencies, and I didn’t know how to convert between the two.
I found 2 solutions:
Standalone version using the method explained in this blog post by Uri Shaked to convert note names into frequencies.
Use the board as a MIDI controller, so it sends the notes to the computer, and the computer will synthesize the sound and play it on the computer’s speakers.
I decided to try the second option and used Adafruit’s documentation to understand how to use the board as a MIDI controller.
The board used is the Adafruit Circuit Playground Express. It supports CircuitPython out of the box and includes many sensors, RGB LEDs, and a small speaker.
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