M5Stack PDM MEMS Microphone Unit (SPM1423)

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M5Stack PDM MEMS Microphone Unit (SPM1423) Offers high signal to noise ratio Features anti-radio frequency interference Low Power Consumption Lets you PDM encoding output (CLK/DAT) LEGO Compatible The M5Stack PDM MEMS Microphone Unit (SPM1423) is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. It automatically switches the microphone state according to the clock frequency (power down/activate/sleep) and can be widely used for audio data collection on wearable devices and smart digital devices. Applications Spectrum Analyzer Recorder Loudness meter Show more