Robot Pi Shop

MH-ET LIVE Omnidirectional Microphone Module

$2.50
Quantity

MH-ET LIVE Omnidirectional Microphone Module I2S Interface INMP441 MEMS High Precision Low Power Ultra small volume for ESP32. This product provides tutorials for using ESP32 modules with I2S functionality.

Features:

  • Digital I2S interface with high precision 24-bit data
  • High signal to noise ratio is 61 dBA
  • High sensitivity - 26 dBFS
  • Stable frequency response from 60 Hz to 15 kHz
  • Low power consumption: low current consumption 1.4 mA
  • High PSR: -75 dBFS

Specification:

  • Digital I2S interface with high precision 24-bit data
  • High signal to noise ratio is 61 dBA
  • High sensitivity - 26 dBFS
  • Stable frequency response from 60 Hz to 15 kHz
  • Low power consumption: low current consumption 1.4 mA
  • High PSR: -75 dBFS

Interface definition:

  • SCK: Serial data clock for I2S interface
  • WS: Serial data word selection for I2S interface
  • L/R: Left/Right channel selection.
  • When set to low, the microphone outputs a signal on the left channel of the I2S frame.
  • When set to high level, the microphone outputs signals on the right channel
  • SD: Serial data output of the I2S interface.
  • VCC: Input power, 1.8V to 3.3V.
  • GND: power ground
  • This product provides tutorials for using ESP32 modules with I2S functionality.