That's where microphone amplifiers come into play. So, in this article, we will look into such a microphone amplifier module built with the MAX4466 IC, which offers an adjustable gain. We will learn ...

3D Model. I designed a 3D case for this project using TinkerCad, ... I powered all microphones and the OLED display with the Arduino’s 3.3V output. The MAX4466 module supports input voltages from 2.4 ...