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Locating the source of a mysterious beep with Claude

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Summary

A developer used Claude Code to build Beep Locator, a browser-based system that triangulates a mysterious intermittent beep using several everyday devices as microphones. The system estimated the source to within about 40cm, which led to an old carbon monoxide detector needing new batteries. The approach builds on BeepBeep, a 2007 acoustic ranging paper by Peng, Shen, Zhang, Li and Tan.