Color Sensor Module
Converting a color of paint to frequency, allows mixing a color as tuning a sound.
Timbre is Arduino IDE Code & PD patch which converts a light intensity from a Color Sensor Module into a value of Frequency within a musical scale. The hue assigns the scale of sound, and the value determines the octaves.
download zip file (Arduino IDE code & Pure Data Patch and Installation Guide):
www.paintingwithsound.net/instrument/timbre/
www.github.com/yenatdollar/Timber
tutorial video: