Also known as the air-powered spectrum analyzer. The initial design called for displaying the frequency spectrum of live audio using computer-controlled party favors. The DSP I needed was never available in time, so I just built this and ran some test programs.

February 7, 2006

The air-powered spectrum project is a melding of high-tech and low-tech. The core of the project is a bank of solenoid-triggered air-flow actuators. When open, each actuator sends 100 psi of air to a roll-out blow-out toy:

The air-powered spectrum project is a melding of high-tech and low-tech. The core of the project is a bank of solenoid-triggered air-flow actuators. When open, each actuator sends 100 psi of air to a roll-out blow-out toy:

The solenoids are triggered manually in this video.