#pico-2w Tech News.
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HardwareHackadayabout 2 hours ago
Pico-Driven Ultrasound Enables Scaled Acoustic Model of Home StereoPlasmatronX uses a Pi Pico 2W to generate 40kHz ultrasound signals scaled from 10kHz audio, driving an 8-channel DIY amplifier to ultrasonic transducers and cat-repellent speakers. The system captures sound wave propagation via Schlieren imaging in a circular setup with a turntable and stroboscope.
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