Circular INMP441 MEMS Microphone Module
Product Description
The Circular INMP441 MEMS Microphone Module is a compact digital microphone module designed for capturing high-quality audio in electronic and embedded applications. It features the INMP441 MEMS microphone, which provides a digital audio output through the I2S interface, making it suitable for direct connection to microcontrollers and development boards.
The circular PCB design offers a compact form factor, making the module suitable for projects with limited installation space. It can be used with platforms such as ESP32, ESP32-S3, Arduino-compatible boards with I2S support, and other embedded systems.
Features
- Based on the INMP441 MEMS microphone.
- Digital audio output using the I2S interface.
- Compact circular PCB design.
- High-quality digital audio capture.
- Low-noise MEMS microphone technology.
- Suitable for embedded and IoT applications.
- Easy interfacing with I2S-compatible microcontrollers.
- Ideal for voice recognition and audio recording projects.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Digital MEMS Microphone Module |
| Microphone IC | INMP441 |
| Audio Interface | I2S |
| Output Type | Digital Audio |
| Microphone Technology | MEMS |
| PCB Shape | Circular |
| Supply Voltage | Typically 3.3V |
| Compatible Platforms | ESP32, ESP32-S3 and other I2S-compatible boards |
Pin Functions
| Pin | Function |
|---|---|
| VDD | Power Supply |
| GND | Ground |
| SCK / BCLK | I2S Serial Clock |
| WS / LRCLK | I2S Word Select |
| SD | Digital Audio Data Output |
| L/R | Left or Right Channel Selection |
Applications
- Voice-controlled projects.
- Audio recording.
- Voice recognition systems.
- ESP32 and ESP32-S3 projects.
- Smart assistants.
- IoT devices.
- Sound detection and analysis.
- Digital audio applications.
- Educational and embedded electronics projects.
Important Note
The INMP441 is a digital I2S microphone, not an analog microphone. It requires an I2S-compatible interface and is typically powered from 3.3V. Always verify the pin labels and operating requirements of the specific module version before connecting it to your circuit.
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