This is a collaborative project with Rick Rothrock, sculptor, to create a permanent, interactive sound installation in a public park in Wilmington, DE. The project involves long-range sensors triggering the playback of three-channel sound.

full view of the park, featuring the original stone installation created by Rick Rothrock

The system includes:

• two Risco WatchOUT DT eXtreme Outdoor Infrared & Microwave sensors
targeting a specific spot in the inner circle of the park
• an Arduino Pro microprocessor which receives the sensors’ signal
• three Spark Fun MP3 Player Shields
• three JL Audio M200/2 200W Marine Amplifiers (class D)
• three Atlas ATS183 outdoor garden speakers
• power supplies, timer, wire, etc.

Master Wiring Diagram

image of Atlas outdoor speaker, 1 of 3, mounted in granite by Rick Rothrock

image of the box, hidden away in a corner of the park, that contains all the electronics

detail of the box showing the 110V supply, timer, power supplies, amplifiers, and grey box containing the microcontroller and MP3 players

detail of the grey box containing the Arduino Pro microcontroller, Spark Fun MP3 Player Shields, LEDs and terminal strip