Inspiration

On the occasion of Major League Hacking Birthday, I thought Why not create something musical!

A guitar is a plucked stringed musical instrument. Normally, the guitar is expensive, but here I have created a cheap and convenient DIY that can help you enjoy and play real chords on an electric micro: bit guitar. Enjoy micro: bit guitar by shifting the pitch up and down octaves.

What it does

When you touch pin 1 or pin 2 and GND it will play a broken chord, but now you can move the chord down an octave (lowering its pitch) by pressing button A and move it up an octave (raising its pitch) by pressing button B.

The pitch (frequency) of a note doubles when you move up one octave: middle A has a frequency of 440Hz (440 vibrations per second), high A has a frequency of 880Hz. This is why making the vibrating part of guitar strings different lengths with your fingers changes the pitch of the note being played.

How we built it

micro: bit and optional battery pack

4 crocodile clip leads

cardboard, scissors, glue, tin foil

headphones, buzzer, or powered speaker

Accomplishments that we're proud of

We were so excited to create this DIY guitar to help me and others learn and enjoy playing guitar.

What we learned

BBC micro: bit as an Instrument Tuner.

What's next for Electronic Guitar

We will try to make it more optimized and add some more chords to it.

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