Musical micro:bits

Activity A – ‘Musical Pencil’

Graphite (the drawing bit of a pencil) conducts electricity but has quite high resistance, so can be used to make a simple variable resistor. Resistance is affected by weight, thickness and length of line. We measure this change in resistance as a number and use this number to control the pitch of a tone played.

bananas

Activity B – ‘Banana Keyboard’

In this project, you will build your own music player BBC micro:bit banana keyboard from household fruit. Learn how to convert your BBC micro:bit into a music player using pins P0 and GND, earphones (or speakers), as well as crocodile clips (or spring clips). The connect fruit using pins P1 and GND.

Further Reading

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