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AJMRTC Sound Sensor Module, 3-Pin LM393 Electret Microphone Voice Sound Detection Amplifier Sensor Module, Sound Intensity Detector for Arduino, Raspberry Pi, Electronic DIY, Voice Trigger Experiment
- - LM393 based sound detection module with electret microphone, detects ambient sound intensity and voice signal
- - 3-pin simple interface for power, signal and GND, easy wiring with Arduino, Raspberry Pi and other MCUs
- - Built-in signal amplifier to pick up weak sound signals and output digital switching signal
- - Adjustable sensitivity via potentiometer to set trigger threshold for different sound levels
- - Compact module widely used for voice trigger, sound alarm, electronic experiment and maker DIY projects
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AJMRTC sound sensor module adopts LM393 comparator and electret microphone to capture ambient sound and voice signals. It comes with an on-board amplifier to amplify weak audio signals. Users can adjust the detection sensitivity through the onboard potentiometer. The module outputs digital signal when sound exceeds the preset threshold. Equipped with simple 3-pin header, it can be quickly connected to Arduino, Raspberry Pi and other microcontrollers. It is widely applied for voice-activated trigger, sound alarm systems, electronic teaching experiments and various electronic DIY projects.
Brand: AJMRTC
Chip: LM393
Sensor Type: Electret Microphone Sound Detector
Pin: 3 Pin
Function: Sound / Voice Detection & Signal Amplification
Output: Digital Switch Signal
Application: Arduino, Raspberry Pi, Electronic DIY, Sound Trigger Experiment
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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