HiLetgo INMP441 I2S Microphone Module
INMP441 omnidirectional MEMS microphone breakout with digital I2S output for microcontroller audio capture projects.
INMP441 omnidirectional MEMS microphone breakout with digital I2S output for microcontroller audio capture projects.
Power supply input
Ground
I2S serial-data clock / bit clock input
I2S word-select / left-right clock input
I2S serial data output from microphone
I2S channel select, low for left channel and high for right channel
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VDD | module header | Power | Power supply input | 1.8V to 3.3V |
| GND | module header | Ground | Ground | 0V |
| SCK | module header | SPI | I2S serial-data clock / bit clock input | logic input |
| WS | module header | Signal | I2S word-select / left-right clock input | logic input |
| SD | module header | Signal | I2S serial data output from microphone | logic output |
| LR | module header | Control | I2S channel select, low for left channel and high for right channel | 0V or VDD |
Power supply input
Ground
I2S serial-data clock / bit clock input
I2S word-select / left-right clock input
I2S serial data output from microphone
I2S channel select, low for left channel and high for right channel
I2S · Analog · 3.3 – 5 V · Breakout
Adafruit/Pimoroni list the electret microphone amplifier as a MAX4466-based board with 2.4–5 V DC supply, rail-to-rail analog output and …
Module pins: VDD, GND, SCK, WS, SD. Schematik maps them to your board in the app.
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