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The Complete Guide to Recording an Analog Microphone with ESP32 to an SD card | by Cawin Chan | CodeX | Medium
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Wavgat Omnidirectional Microphone Module I2s Interface Inmp441 Mems High Precision Low Power Ultra Small Volume For Esp32 - Integrated Circuits - AliExpress
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Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H : ID 3421 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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