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AJMRTC LM386 Sound Sensor Module, Onboard Audio Power Amplifier for Sound Level Detection, Microphone Voice Detection Sensor with Analog & Digital Output for Arduino DIY Projects
- - Built-in LM386 audio power amplifier to amplify weak microphone signals for reliable sound level detection
- - Dual output design: analog signal output and digital switch output for flexible Arduino and MCU integration
- - Adjustable sensitivity potentiometer to customize trigger threshold for different sound detection scenarios
- - DC 3.3V-5.5V operating voltage, low power consumption, ideal for battery-powered electronics projects
- - Compact PCB design with pin header terminals, easy wiring for voice-activated switch and audio monitoring builds
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AJMRTC LM386 sound sensor module integrates an LM386 onboard audio power amplifier and microphone pickup circuit for real-time sound level detection. It captures ambient sound signals and amplifies them through the LM386 amplifier chip, providing both analog audio output and digital level output. Users can adjust the detection sensitivity via the onboard potentiometer to set the sound trigger threshold. Powered by DC 3.3V to 5.5V, this low-power module works seamlessly with Arduino, Raspberry Pi and other microcontrollers. It is widely used for voice-activated control, sound monitoring, noise detection, sound-activated alarm and other electronic DIY projects.
- Brand: AJMRTC
- Chip: LM386 Audio Power Amplifier
- Function: Sound level detection, voice signal pickup
- Operating Voltage: DC 3.3V ~ 5.5V
- Output: Analog signal (AOUT), Digital switch signal (DOUT)
- Sensitivity: Adjustable via onboard potentiometer
- Dimension: 39 × 21mm
- Application: Arduino, MCU, sound-activated switch, noise monitoring
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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