M5Stack Microphone Unit (LM393)
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M5Stack Microphone Unit (LM393)

$5.00
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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. Applications FFT Spectrum Display Audio Sample/Record Voice Switch View more What's Included 1 x Microphone Unit 1 x Grove Cable Dimensions Size 32 x 24 x 8 mm Specifications Microphone sensitivity/SNR: 52dB/40dB Output Signal: Analog/digital HY2.0-4P interface 2x LEGO compatible holes Working Voltage: 3.3 V Weight: 5 g

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