M5Stack PDM Microphone Unit SPM1423 Pulse Density Modulation Signal Automatic Voice Recording Modu

M5Stack PDM Microphone Unit SPM1423 Pulse Density Modulation Signal Automatic Voice Recording Modu

20 available / new
R419.00
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Product details

Condition
New
Location
International
Bob Shop ID
641128310
Description:
PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response and other characteristics. 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.
Features:
- I2S PORT,PDM encoding output (CLK/DAT) - High sensitivity, high signal to noise ratio - Low power consumption - Anti-radio frequency interference - Compatible with LEGO
Package Included:
- 1x PDM mini Unit - 1x HY2.0 4P Cable(5CM)
Applications:
- Spectrum Analyzer - Recoder - Loudness meter
Specification:
ResourcesParameter
Sensitivity94dBSPL@1KHzNom.:-22dBFS
SignaltoNoiseRatio94dBSPL@1KHz,A-weightedNom.:61.4dB
TotalHarmonicDistortion100dBSPL@1KHzNom.:1%
Workingvoltagerange1.6Vto3.6V
WorkingCurrent600A
NetWeight4g
GrossWeight8g
ProductSize24*24*13mm
PackageSize35*36*18mm
CasematerialPlastic(PC)

Related Link:

EasyLoader:

EasyLoader is a concise and fast program writer, which has a built-in program related to the product. It can be burned to the main control by simple steps to perform a series of function verification. Please install the corresponding driver according to the device type. M5Core host, M5StickC/V/T/ATOM series can be used without driver)
Schematic:
Example:
1. Arduin IDE


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