Omnidirectional Microphone INMP441 MEMS 3.3V

Enrich your technological projects with our advanced omnidirectional MEMS microphone module, equipped with the INMP441 chip. This module is designed to deliver high-quality audio performance, compatible with a wide range of microcontrollers and development boards operating at 3.3V, such as ESP8266, ESP32, and even the Raspberry Pi. This makes it a versatile choice for applications ranging from smart devices and sound analysis to interactive art projects.

Technical Specifications:

• Power supply voltage: 1.8-3.3V DC, perfect for integration with most low-voltage development boards.
• Signal voltage: 1.8-3.3V, ensures seamless cooperation with your chosen platform.
• Current consumption: Approximately 1.4mA, ideal for projects where energy efficiency is important.
• Chip: The INMP441 ensures clear and accurate audio recordings.
• Frequency range: 60-15,000Hz, captures a wide range of sounds.
• Sensitivity: Approximately -26dBFS, for capturing sound with high precision.
• Communication: The I2S interface provides direct digital output, making the module easy to integrate with a variety of hardware.
• PCB dimensions: Compact at 14 x 14mm, designed for flexible deployment.

Pinout:

• SD: I2S data signal for high-quality sound recording.
• VDD: Power supply, easy to connect to your project.
• GND: Ground/minus, essential for stable performance.
• L/R: Selection between the left and right channel offers flexibility in stereo configurations.
• WS: I2S word select, crucial for audio synchronization.
• SCK: I2S clock signal, supports accurate data transmission.

Package contents:

• 1x INMP441 MEMS Microphone Module
• 1x Set of male headers for direct mounting.

This microphone module is not only suitable for hobbyists and makers, but also for professionals looking for a reliable solution for advanced audio projects. It supports a wide range of applications and is compatible with popular development platforms such as ESP8266, ESP32, and Raspberry Pi, making it an excellent choice for anyone looking to enrich their projects with high-quality audio.

This omnidirectional MEMS microphone module with the INMP441 chip is suitable for a wide range of applications, including:

• Smart devices: Integration into smart speakers, security systems, and other IoT devices for voice control and recognition.
• Sound detection and analysis: Use in projects for monitoring sound levels, acoustic data analysis, or environmental monitoring.
• Interactive installations: Deployment in art installations or educational projects where interaction through sound is central.
• Robotics: For enabling auditory interactions between robots and the environment or users.
• Audio recording: Ideal for high-quality sound recordings in compact devices.
• Voice User Interfaces (VUI): Implementation in devices that support voice-controlled user interfaces, similar to assistants like Google Assistant or Alexa.