This DIY Synthesizer Uses A Distance Sensor To Alter Pitch
In this video from Peley Krane, we get a demonstration of The Hog Shed Monster, a polyphonic 4-voice wavetable synthesizer/sequencer that uses a sonar distance sensor to manipulate the pitch of the resulting sound.
Regarding the Hog Shed Monster, Krane explains,
A Digital Synthesizer And Step-Sequencing Brain In One Device That Can be “Played” in RealTime as a Performance Instrument, OR be Programmed/Sequenced to Perform Longer Polyphonic Chord Arrangements/Compositions
You can learn more about The Hog Shed Monster by visiting the Etsy page, or even purchase your own for $139.99.