This guide shows how to connect the Adafruit Electret Microphone Amplifier to measure sound levels with your Arduino.
The Microphone Amplifier mates an Electret Capsule Microphone with a MAX4466 Operational Amplifier optimized for use in microphone pre-amplifier applications. The flexible supply voltage and and adjustable gain make this module adaptable to a wide variety of audio applications.
This guide was first published on Jan 13, 2013. It was last
updated on Oct 22, 2018.
This page (Overview) was last updated on May 04, 2015.
The Microphone Amplifier mates an Electret Capsule Microphone with a MAX4466 Operational Amplifier optimized for use in microphone pre-amplifier applications. The flexible supply voltage and and adjustable gain make this module adaptable to a wide variety of audio applications.
Specifications:
- Supply Voltage: 2.4v-5v
- Output: Rail-to-Rail - up to to 5vp-p
- Frequency Response: 20Hz - 20 KHz
- Adjustable Gain 25x-125x
- Available From: Adafruit of course!
