Sound Sensor for Arduino

AITEXM ROBOT Sound Sensor Modules — High Sensitivity Audio Detection for Your DIY Projects

Bring your electronics projects to life with these reliable and easy-to-use sound sensor modules from AITEXM ROBOT. Designed to detect sound signals with precision, these modules are perfect for hobbyists, students, and makers who want to add audio control or sound-triggered features to their devices.

Key Features:

• High-Quality Microphones: Equipped with sensitive electret condenser microphones to accurately capture sound.

• Compact Size: Small and lightweight modules (approx. 32mm x 17mm) that fit perfectly into any project.

• Wide Voltage Range: Works smoothly with DC 2.7V to 6V power supplies, compatible with Arduino, Raspberry Pi, and other microcontrollers.

• Clear Signal Output: Provides a digital output signal that activates when sound is detected, with a visible LED indicator.

• Adjustable Sensitivity: Some models include a trimmer pot to fine-tune the gain and detection range.

• Versatile Applications: Ideal for sound-activated lights, alarms, voice recorders, audio-reactive displays, and more.

Available Modules:

Red Sound Sensor Module

• Main chip: LM393 with electret microphone

• Power: DC 4-6V

• Output: Single channel, active low signal when sound is detected

• Size: 32 x 17 x 8 mm

• Use for: Acoustic control lights, sound-triggered alarms, and basic sound detection projects

• Detection range: Up to 0.5 meters

Blue Sound Sensor Module

• Main chip: LM393 with electret microphone

• Power: DC 4-6V

• Output: Single channel, active low signal with LED indicator

• Size: 32 x 17 x 15 mm

• Weight: 3 grams

• Use for: Sound and light alarms, photo-sensitive combined triggers

• Detection range: Up to 0.5 meters

MAX9814 Microphone Amplifier Module

• Power supply: 2.7V – 5.5V, low current 3mA

• Frequency response: 20Hz – 20kHz for crystal-clear sound capture

• Features: Automatic gain control with selectable max gain (40dB, 50dB, 60dB)

• Low noise and distortion for high-quality audio

• Perfect for voice recognition, audio recording, and sound level monitoring

MAX4466 Electret Microphone Amplifier Module

• Power supply: 2.4V – 5V DC

• Features: Low-noise op-amp designed specifically for mic amplification

• Adjustable gain from 25x to 125x with onboard trimmer

• Output: DC biased signal with rail-to-rail output, ideal for microcontroller ADC inputs

• Great for voice changers, audio-reactive projects, and real-time sound sampling

Why Choose AITEXM Sound Sensor Modules?

These modules stand out for their high sensitivity, low noise levels, and straightforward integration into a wide range of electronics projects. Whether you’re building a sound-activated light, a smart alarm, or an audio-reactive art installation, these sensors deliver reliable performance and easy customization.

Bring sound into your next project effortlessly — order your AITEXM Sound Sensor Module today!