A pitch pipe made with the Circuit Playground Express!
Find a full write up for the project here: https://www.hackster.io/isaac-wellish/perfect-pitch-machine-c0d8da
This project uses Adafruit's Circuit Playground Express as a pitch pipe
Many vocalists and choirs use chromatic pitch pipes, which are essentially chromatic harmonicas, to find their starting pitch. Find a typical pitch pipe below:
source: Kratt MK3 Master Key Chromatic Pitch Pipe
How to use:
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Make sure Circuit Playground is configured with CircuitPython -> (https://learn.adafruit.com/adafruit-circuit-playground-express/circuitpython-quickstart)
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Upload code.py to Circuit Playground (also upload CircuitPlayground libraries found here: (https://learn.adafruit.com/adafruit-circuit-playground-express/circuitpython-libraries)
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Use the up and down buttons to move up and down pitches.
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Once a pitch is selected, blow into the circuit playground and hear your pitch!
Each note corresponds to a different LED and LED colors represent flat, natural, and sharp notes as seen below:
More updates to come!