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An ultrasonic directional speaker (aka. Parametric Speaker)

GPL-2.0 license

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README.md		README.md
platformio.ini		platformio.ini

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Ultrasonic Directional Speaker for under $20

This repository contains:

C++ code for the STM32 Microcontroller
KiCad Schematic image for Circuit
KiCad Schematic image for Transducer Array

For building a Laser Directional Speaker, also known as a Parametric Speaker.

Related Video https://youtu.be/9hD5FPVSsV0

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An ultrasonic directional speaker (aka. Parametric Speaker)

GPL-2.0 license

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