The M5Stack Microphone Unit is an omnidirectional sound sensor with MAX4466 amplification and adjustable analogue/digital output, ideal for sound detection, audio monitoring, and sound-activated control projects. The M5Stack Microphone Unit is a sound sensor equipped with an omnidirectional electret microphone. The signal is amplified and output through the MAX4466 microphone preamplifier. This amplifier effectively suppresses power supply noise and common-mode noise, providing high-fidelity sound output, making it suitable for use in noisy environments. This unit can output both analogue and digital signals. It includes a built-in LM393 dual voltage comparator, allowing the comparison voltage threshold to be set by adjusting a 10K potentiometer. This sensor is ideal for projects involving sound-to-electricity conversion and sound-activated switches. Features * Sound sampling/audio recording * Built-in MAX4466 microphone preamplifier * Omnidirectional, 52dB sensitivity * Analogue and digital signal output * Built-in voltage comparator and adjustable potentiometer for threshold setting * Development platforms: Arduino, UIFlow (Blockly, Python) * HY2.0-4P interface * 2x LEGO-compatible holes Specifications Microphone sensitivity/Signal-to-noise ratio 52dB/40dB Output signal Analogue/Digital Input voltage 5V Product Size 32.0 x 24.0 x 8.0mm Product Weight 4.6g Resources * Product documentation Package Contents * 1x Unit MIC * 1x HY2.0-4P Grove cable (20cm)