sonar

Audible Frequency Chirp Sonar with the Stellaris Launchpad

Audible Frequency Chirp Sonar with the Stellaris Launchpad

Over the last year I’ve been working towards an underwater sonar system for ROVs and surface boats. In order to learn the basic signal processing required to detect the echoes, I initially got a simple sonar working in air with a desktop conferencing USB speaker/mic running on Windows. A writeup, including source, is here. That article

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