M5Stack PDM MEMS Microphone Unit (SPM1423)

• 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