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Description
M5Stack Microphone Unit (LM393)
Offers two LEGO compatible holes
Built-in Omni-directional electret microphone
Provides digital output and analog signal
Features omnidirectional, 52dB sensitivity
Development platform: Arduino, UIFlow (Blocky, Python)
The M5Stack Microphone Unit (LM393) is a sound sensor with a built-in Omni-directional electret microphone. The signal is amplified and output by microphone preamplifier max4466.
The built-in LM393 double voltage comparator can set the comparison voltage threshold by adjusting 10K adjustable resistance. The sensor is very suitable for acoustic electrical conversion, audio recording/sampling, FFT acoustic feedback, voice switch, and other projects.
