arduino › sensor module
maxim Maxim MAX9814 Auto-Gain Microphone
Analog electret mic with auto-gain — better for unknown sound levels than fixed-gain MAX4466. Output is biased at VCC/2; subtract DC offset in software for FFT.
Specifications
- interface
- analog
- voltage v
- 3v3_or_5v
- library arduino
- none (analogRead)
- accuracy
- 20-20kHz, gain 40/50/60dB
- range
- audio
- pin count
- 5
Sources
- SparkFun open product catalog · ingest 2026-05-06
- Adafruit open product catalog · ingest 2026-05-06