Electret Mic Breakout Board Hookup Guide - SparkFun Learn
SparkFun Analog MEMS Microphone Breakout - ICS-40180 - Omni-Directional mic Features OpAmp Plug Directly into ADC on a microcontroller Low Profile Microphone on Bottom Side for Flush mounting: Amazon.com: Industrial & Scientific
SparkFun MEMS Microphone Breakout - INMP401 (ADMP401) at MG Super Labs India