While there are thousands of MIDI files freely available online, very few of them could actually be played by the xylophone. With only 32 notes, the instrument is limited in what it can play without losing any notes. Also, even when a MIDI file uses just 32 consecutive notes, they might not be the same range of 32 notes as the xylophone has, so you need to transpose. Stéphane developed a tool in Python to filter out 32-note tunes from thousands of MIDI files and automatically transpose them so the xylophone can play them. And, yes, everything you need to copy this filtering and transposing function is on GitHub.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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