Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H : ID 3421 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Micromachines | Free Full-Text | A Novel MEMS Capacitive Microphone with Semiconstrained Diaphragm Supported with Center and Peripheral Backplate Protrusions
IMP23ABSUTR - Stmicroelectronics - MEMS MICROPHONE, -40 TO 85DEG C ROHS COMPLIANT: YES
STMicroelectronics and DSP brings intelligence to MEMS Microphones - Israel Electronics News
Analog MEMS Microphone (VM2020) Hookup Guide - SparkFun Learn
Adafruit Industries SPW2430 Silicon MEMS Microphone Breakout; Voice Changers; Audio Recording/Sampling; 3V voltage regulator - Micro Center