db-meter

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DotaPie / SL-814-dB-meter

A web-based interface for the Tondaj SL-814 sound level meter. Connects via USB-to-serial adapter and displays real-time decibel readings with a smooth animated VU meter visualization.

microphone acoustics decibel noise-monitoring sound-level-meter spl-meter audio-measurement db-meter

Updated Apr 19, 2026
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Lapnito / noiseledger

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NoiseLedger: dB Meter Log — privacy-first sound level meter for iPhone with FAST/SLOW response, MIN/LEQ/MAX, FFT spectrum, session history, PNG and CSV export. iOS only, no ads, no internet.

swift offline ios-app noise fft spl acoustics iphone-app no-ads decibel privacy-focused sound-level-meter lapnito db-meter

Updated Apr 30, 2026

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