The KY-038 sound sensor pinout has 4 pins: VCC, GND, Digital Out, and Analog Out. We can either use the AO pin as an output for analog reading or the DO pin as an output for digital readout. The Sound ...
To detect sound on an independent platform by using ky-037 sensor .This module consists of a sensitive capacitance microphone for detecting sound and an amplifier circuit. The output of this module is ...
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