Intelligent Vehicle Microphone Arduino

Acoustic Transducer for Smart Vehicle Navigation: Built with a high-sensitivity electret microphone capsule tuned for vehicle voice control, intelligent acoustic sensing, and obstacle noise detection.

Dual Signal Output Array (AO & DO): Features both an Analog Output (AO) pin for continuous sound level tracking and a Digital Output (DO) pin for quick acoustic threshold switching.

Onboard Sensitivity Trimmer: Integrated multi-turn potentiometer allows quick calibration of sound sensitivity and digital trigger threshold levels to compensate for ambient vehicle noise.

LM393 Voltage Comparator Core: Outfitted with an LM393 comparator IC to deliver clean, noise-filtered digital switching logic with steady output driving power.

Dual Telemetry Indicator LEDs: Includes onboard power and digital output status LEDs for immediate visual feedback during breadboard circuit testing and vehicle installation.

Housing & Board Material: High-grade FR-4 glass-epoxy PCB with a top-mounted electret microphone capsule, blue potentiometer, and tinned header pins.

Technical Specifications:

Operating Voltage: 3.3V - 5.0V DC.

Output Signal Types: Analog Voltage Output (AO) + Digital Switching Output (DO).

Color: Black PCB with Blue Potentiometer and Silver Microphone Capsule.

Usage Advice: Connect VCC (3.3 V-5V ) and GND to your microcontroller; connect AO to an analog ADC pin for sound envelope logging or DO to a GPIO pin for voice/clap threshold triggers.

Maintenance: Keep the microphone aperture clear of dust, oil, and moisture; clean board surfaces gently using a soft, dry microfiber cloth.

Essential Smart Vehicle Acoustic Node: Position as an ideal sound detection breakout board for smart robot cars, automated vehicle voice triggers, decibel monitoring nodes, and clap-activated switches.

Highlight Dual Analog & Digital Outputs: Emphasize how dual AO and DO outputs allow beginners and advanced developers alike to handle basic digital threshold triggering or complex analog audio amplitude logging.

Recommended Cross-Sell Add-ons: Pair with Microphone Sound Sensor Module, KY-037 Microphone Sound Sensor, XD-21 LM358 Amplifier Module 100x Gain Operational Amplifier, and ESD antistatic mat 50x40CM PCB Welding Mat.

Featured Collection Star: Display prominently on your Sound Sensor Modules collection page as your standard 4-pin vehicle acoustic detection sensor.