Narrative
This was created to demonstrate a range of techniques. The capacitive sensing has been set to detect fingers on contact with the keys. The keys are made from strips of printed circuit board and arranged in a circle purely for artistic merit so as to distinguish this device from a conventional keyboard. It's original purpose was to demonstrate "Circle of Fifths" before being re-purposed as an electronic flute. It's main purpose is that of a "perception challenger" i.e. you do not necessarily have to follow conventional form factor to make a musical instrument. e.g. students at Electric Umbrella quickly caught onto how to trigger sounds. Circle of 5ths Code

Bare Conductive

• This is a multifunction board that combines.
• Sound file playing (MP3 or MIDI)
• Capacitive Sensors
• On board processor (Leonardo eqv of an Arduino).
• Can be powered by LIPO battery or external regulated 5v supply.

The touch board in situ. From experience I found it prudent to mount the on a solid surface They tend to flex other wise resulting in bits of surface mount pinging of. It get it's 5 v supply from a regulator located by the battery compartment.

It uses bar conductive standard MIDI software example, but tweaked to a flute rather than a piano (suits the speaker size better and the sound carries better in a noisy room).

NB nylon nuts and bolts used as the connecting pads are very close and ordinarily nuts cause a short circuit.

Speaker mounted in "Infinite Baffle". Seems to work fine. Note acoustic padding to stop unwanted vibration.