Exp.Inst.Rain, created by Balam Soto, is a futuristic experimental instrument, combining sound generation and visual projection.

By touching the box at various points, players create different sounds. The sounds also generate changes in the projection.

Here’s a video demo:

Exp.Inst.Rain is a wireless box, made of wood, plexiglas, Arduino, electronic components and custom touch sensors.

Here’s what Soto has to say about the technical details:

This artworks it’s power by Arduino and wireless vibes.

Using Capacitive Touch Sensor and homemade aluminum electrode to pick up touch. Custom software acts as a Bridge between the Exp.inst.X and Midi software.