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Sensors
Sound / Microphone Sensor
Picks up acoustic signals from the environment.
Definition
An analog or I²S microphone module that outputs audio levels or PCM samples.
AI Application
Primary input for voice-command, keyword-spotting and acoustic event-detection models.
Parts & pins
1
VCC
5V power input
2
GND
Ground reference
3
DO
Digital output (HIGH/LOW)
4
AO
Analog output (0–Vcc)
5
Microphone
Electret capsule
6
Comparator (LM393)
Compares to a threshold pot
Works with
Hardware you can wire this part to in a typical project.
