# Microphone ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** mixikid - **Created:** 3/15/2026 - **Last Updated:** 4/13/2026 - **Visibility:** Public - **System Architecture:** flowchart TD A[I2S Audio Source MCU] -->|BCLK LRCLK DIN SD_MODE| B[MAX98357A Class D DAC Amp] C[VDD 2.5V to 5.5V] --> B C --> D[Decoupling 10uF + 0.1uF] D --> E[GND] B -->|OUTP OUTN| F[Speaker] - **VDD Note:** VDD supply range: 2.5 V to 5.5 V ## Key Components ### conn1 — [01x06 smd pads 1.27mm](https://www.flux.ai/tyler-s/01x06-smd-pads-1p27mm~5s.md) - Manufacturer Part Number: 1 **Pins:** - P1 - P2 - P3 - P4 - P5 - P6 ### MICROPHONE — [INMP441ACEZ-R7](https://www.flux.ai/jecstronic/inmp441acez-r7~mpw.md) - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2015/02/INMP441.pdf?ref_disty=digikey - Part Type: Sensor - Manufacturer Part Number: INMP441ACEZ-R7 - Manufacturer Name: TDK InvenSense - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CHIPEN [pin 8] - GND [pin 6] - GND [pin 5] - GND [pin 9] - L/R [pin 4] - SCK [pin 1] - SD [pin 2] - VDD [pin 7] - WS [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mixikid/microphone~u5](https://www.flux.ai/mixikid/microphone~u5).* --- *Generated from [https://www.flux.ai/mixikid/microphone~u5](https://www.flux.ai/mixikid/microphone~u5)*