RAK18040 WisBlock Audio Analog Microphone to I2S Module

Thank you for choosing RAK18040 WisBlock Audio Analog Microphone to I2S Module in your awesome IoT project! 🎉 To help you get started, we have provided you with all the necessary documentation for your product.

• Datasheet
• WisBlock Quick Start Guide
• WisBlock Source Code Repository
• RAK18040 3D Model
• 40-Pin Male Connector 3D File
• WisBlock IO Tutorial

Product Description

RAK18040 is an analog microphone to I2S module, part of the WisBlock Audio Series. With an analog microphone, analog audio can be directed to I2S output using this module. RAK18040 is designed based on NAU85L40B from Nuvoton. NAU85L40B is an audio ADC with integrated frequency locked loop (FLL) and microphone preamplifier.

Product Features

• Module Specifications

  • Audio ADC
  • Integrated FLL and microphone preamplifier
  • I2S interface for audio data
  • I2C interface for control
  • Supports two (2) analog microphones

• Module Size

  • 25 x 35 mm

Prerequisites

To use a RAK18040, you will need a WisBlock Core, WisBlock Base, and WisBlock Analog Microphone like the RAK18041 which is connected to the RAK18040 module. The WisBlock Base provides power to the RAK18040 module.

warning

Make sure to fix the module with screws to ensure proper function.